10 Best Mini PC With Oculink in 2026

A Mini PC with Oculink combines a compact desktop with a high-bandwidth PCIe connection for an external graphics card. The interface can give creators, gamers, and technical users more graphical performance without requiring a full-size tower, making it especially useful for portable and modular workstations.

The systems in this guide were compared by processor capability, memory and storage options, display support, networking, cooling, power controls, and overall Oculink integration. The list covers Intel and AMD platforms with integrated graphics as well as machines designed to accept a high-performance external GPU through Oculink.

Each review identifies the configuration that makes that model distinctive and explains who benefits most from it. Ratings are shown only where the supplied listing provides one, and specifications may vary by listing. Current prices and availability change frequently, so compare the live listing before making a final purchase decision.

Top 3 Picks for Best Mini PC with Oculink

Top 10 Best Mini PC with Oculink in 2026 Compared

This side-by-side comparison highlights each mini PC's processor, memory, storage, display capabilities, and Oculink implementation so buyers can identify the most suitable platform for gaming, content creation, productivity, networking, or AI workloads.

1. GMKtec K15 AI Ultra 5 125U – Flexible Intel Workstation

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GMKtec K15 AI Ultra 5 125U

Intel Core Ultra 5 125U

32GB DDR5 memory

512GB PCIe 4.0 SSD

PCIe 4.0 Oculink

The GMKtec K15 AI Mini PC Oculink Intel Ultra 5 125U 32GB DDR5 512GB SSD is an Intel-based compact system built around 32GB of upgradeable DDR5 memory. Its most attractive quality is the combination of an efficient Core Ultra 5 processor, extensive storage expansion, dual high-speed Ethernet, and a dedicated Oculink port. The supplied listing does not provide a numerical customer rating, so no rating conclusion can be drawn from that listing.

Pros

• Upgradable DDR5 memory
• Three M.2 storage slots
• Quad display support
• Dual 2.5GbE networking
• RGB cooling fans

Cons

• Integrated graphics are modest
• External GPU setup adds bulk

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The Core Ultra 5 125U uses Meteor Lake architecture and provides 14 threads according to the product information. Its 15-watt design target makes sense in a mini PC, while boost speeds can reach 4.3GHz. Storage flexibility is particularly strong: the system includes a 512GB PCIe 4.0 SSD and three M.2 2280 expansion positions, with the listing describing a combined capacity of up to 24TB. Dual 16GB SO-DIMM modules also allow memory to be replaced or expanded rather than permanently soldered.

Display support extends to four screens through HDMI 2.1, DisplayPort 1.4, and USB Type-C with DisplayPort and power delivery. Dual 2.5GbE ports, WiFi 6E, and Bluetooth 5.2 make the K15 suitable for network-heavy duties. The trade-off is that Oculink is most valuable when paired with a capable external GPU, so buyers who never add one may be paying for potential rather than immediate performance. The enclosure and external graphics hardware also reduce the space-saving benefit of a mini PC.

This K15 configuration is best for office specialists, programmers, analysts, and home-lab users who need generous memory, fast networking, several displays, and the option to add graphics later. It is less compelling for someone wanting a simple living-room computer with no expansion plans. For those who can use an eGPU, however, the combination of efficient Intel processing and high-bandwidth Oculink makes this a flexible and future-conscious choice.

Memory and Storage Flexibility

Unlike systems with soldered LPDDR5, the K15 uses two DDR5 SO-DIMM modules, giving buyers a clearer upgrade path. Three M.2 2280 positions also create unusually broad storage options for a compact desktop.

Useful Network and Display Options

Dual 2.5GbE ports support advanced networking roles, while four-display capability is useful for productivity, monitoring, and creative work. The included wireless connectivity further reduces the need for adapters in a desk setup.

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2. GMKtec M8 Ryzen 5 PRO 6650H – Balanced Entry Platform

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GMKtec M8 Ryzen 5 PRO 6650H

AMD Ryzen 5 PRO 6650H

16GB LPDDR5 memory

512GB NVMe storage

PCIe 4.0 Oculink

The GMKtec Mini PC M8 Desktop Computer AMD Ryzen PRO 6650H is a balanced small-form-factor PC aimed at office work, mainstream gaming, media handling, and users who want a direct eGPU path. Its Ryzen 5 PRO 6650H provides six cores, 12 threads, and boost speeds up to 4.5GHz, while the Radeon 660M integrated graphics offer a capable starting point. The product listing does not include a numerical customer rating.

Pros

• Powerful integrated Radeon 660M
• Dual 2.5GbE networking
• Three selectable power modes
• Compact multi-use design
• USB4 video and data support

Cons

• LPDDR5 memory is soldered
• Only 16GB included memory

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The M8 combines 16GB of LPDDR5 memory rated at 6400MT/s with a 512GB NVMe SSD. Storage can be expanded through two M.2 2280 positions, with the supplied information describing support for up to 4TB per drive. The practical limitation is that the 16GB LPDDR5 memory is soldered, making it a fixed configuration for buyers who might otherwise need much more system memory.

Connectivity is one of the strongest parts of this model. It has Oculink, a full-featured 40Gbps USB4 port, dual 2.5GbE Ethernet, WiFi 6E, and USB 3.2 Gen2 connections. It can drive three displays through HDMI, DisplayPort, and USB4 video output. BIOS-level performance modes at 28W, 35W, and 40W make it possible to balance quiet operation, everyday efficiency, and sustained performance.

The M8 is a sensible recommendation for a compact office machine, development box, or expandable gaming system that does not need large amounts of RAM. Buyers who plan to run memory-heavy virtual machines should consider a model with upgradeable SO-DIMMs instead. For general productivity and occasional graphics acceleration, however, its processor, networking, and external GPU support provide a balanced foundation.

A Practical Performance Middle Ground

The six-core Ryzen 5 PRO processor is well suited to multitasking and mainstream computing. Its integrated Radeon 660M also gives the system useful graphics capability before an external card is introduced.

Networking Meets External Graphics

Dual 2.5GbE ports create optional network flexibility, while Oculink provides a more direct PCIe path for an external GPU. These features make the M8 relevant to advanced home-office and compact-workstation buyers.

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3. GMKtec M8 Ryzen 5 PRO 6650H 1TB – Roomy Entry Configuration

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GMKtec M8 Ryzen 5 PRO 6650H 1TB

AMD Ryzen 5 PRO 6650H

16GB LPDDR5 memory

1TB NVMe storage

PCIe 4.0 Oculink

The GMKtec M8 Mini PC AMD Ryzen 5 PRO 6650H (Turbo 4.5GHz) 1TB SSD 16GB LPDDR5 is the same broad M8 platform as other listings in this guide, differentiated by a more generous 1TB NVMe SSD. It offers a practical combination of six-core processing, Radeon 660M graphics, Oculink expansion, and abundant immediate storage. No numerical rating is supplied for this particular listing.

Pros

• Generous 1TB storage
• High-speed LPDDR5 memory
• Dual 2.5GbE ports
• Flexible BIOS controls
• External GPU expansion

Cons

• Memory cannot be upgraded
• Discrete GPU requires extra equipment

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Its Ryzen 5 PRO 6650H operates from a 3.3GHz base speed and can boost to 4.5GHz. The 16GB LPDDR5 memory runs at 6400MT/s, which is well suited to everyday applications, browsing, office work, and light creative workloads. Two M.2 2280 slots allow additional NVMe drives, and the product information describes combined storage capacity of up to 8TB. That makes the included 1TB drive a strong starting point for games, projects, and media.

Oculink allows a compatible desktop graphics card to be connected through an appropriate enclosure or dock, while USB4 provides 40Gbps data transfer, charging, and video output. The system can handle three displays and includes dual 2.5GbE Ethernet, WiFi 6E, and three power modes. Its primary compromise is soldered 16GB LPDDR5 memory, which cannot be expanded after purchase.

This configuration is best for buyers who want storage headroom without moving to a larger desktop. It also works for home offices, classroom systems, and compact gaming builds that will use integrated graphics initially and an eGPU later. Those needing more than 16GB of RAM should look at a SO-DIMM model, but for storage-heavy productivity, this M8 version is a particularly balanced entry point.

Storage Without Immediate Upgrades

The 1TB NVMe drive provides ample room for an operating system, applications, project files, and a meaningful game library. Additional M.2 positions preserve the option to expand later.

Performance Controls for Different Tasks

Quiet, Balance, and Performance modes let users tailor power consumption to office work or heavier tasks. Wake-on-LAN and auto power-on options also support remote-access and always-on workflows.

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4. GMKtec M8 Ryzen PRO 6650H – Streamlined Compact Workstation

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GMKtec M8 Ryzen PRO 6650H

AMD Ryzen 5 PRO 6650H

16GB LPDDR5 memory

512GB NVMe storage

Triple-display support

The GMKtec M8 Mini PC AMD Ryzen PRO 6650H (6C/12T 4.50GHz) is a concise, productivity-oriented mini PC with a Ryzen 5 PRO processor and a dedicated Oculink interface. It is built for users who want desktop-class CPU performance in a small enclosure and may later attach an external graphics card. The supplied listing has no numerical customer rating, so the evaluation focuses on documented specifications.

Pros

• Responsive six-core processor
• Radeon 660M integrated graphics
• Dual high-speed Ethernet
• USB4 and Oculink support
• Three performance modes

Cons

• Fixed 16GB memory
• One-year listed warranty

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Six CPU cores and 12 threads with boost speeds up to 4.5GHz provide ample capacity for office applications, browsing, development, and multitasking. Radeon 660M graphics with 12 compute units support mainstream games, high-resolution playback, and 4K video work. The 16GB LPDDR5 memory and 512GB NVMe SSD create a conventional entry configuration, while dual M.2 2280 positions support additional storage.

The M8's professional connectivity is impressive for its size. Two 2.5GbE ports support link aggregation, virtualization, and server-like arrangements. Oculink handles PCIe graphics expansion, while full-function USB4 supplies 40Gbps transfer, display output, and power delivery. Three displays can be driven through HDMI 2.0, DisplayPort 1.4, and USB4 video. The main caveat is that the soldered 16GB memory cannot be increased.

This model is a strong fit for a compact office, trading station, developer system, or NAS-related workstation. It is less suitable for memory-intensive applications or users who may need to upgrade RAM later. The one-year limited warranty listed for this particular version is also shorter than the service terms described for several other products in this guide, so buyers should verify coverage on the live listing.

Professional Network Options

Dual 2.5GbE interfaces create more possibilities than a standard single Ethernet port. They can serve as separate network paths, support compatible aggregation configurations, or simplify advanced home-server tasks.

A Clear Path to eGPU Graphics

Oculink gives the mini PC a direct PCIe route to a compatible external graphics card. This allows buyers to begin with integrated graphics and add more graphical capability when their workloads demand it.

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5. GMKtec K16 Ryzen 7 7735HS – High-Capacity Compact Gaming PC

4.4Editor scoreCheck price on Amazon

GMKtec K16 Ryzen 7 7735HS

AMD Ryzen 7 7735HS

32GB LPDDR5 memory

512GB NVMe storage

PCIe 4.0 Oculink

The GMKtec K16 Mini PC Gaming Desktop Computer AMD Ryzen 7 7735HS is a high-performance compact system with eight CPU cores, 16 threads, and 32GB of fast LPDDR5 memory. Its 4.4 rating makes it one of the better-reviewed products in this list. The Ryzen 7 7735HS can boost to 4.75GHz, and the integrated Radeon 680M provides a useful baseline for light gaming and media creation.

Pros

• Eight-core Ryzen 7 processor
• 32GB fast LPDDR5 memory
• Dual 2.5GbE networking
• Full-featured USB4
• Triple-display support

Cons

• LPDDR5 memory is fixed
• Oculink lacks hot-plugging

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A major strength is the balance between processor capacity and memory. The included 32GB of 6400MT/s LPDDR5 helps with demanding multitasking, creative applications, and games, while a 512GB NVMe SSD provides the starting point for software and storage. Two M.2 2280 slots are described as supporting up to 16TB in total, offering useful long-term storage expansion.

The K16 also has dual 2.5GbE Ethernet, WiFi 6E, USB 3.2 Gen2, full-function 40Gbps USB4, and Oculink. It can drive three displays, making it relevant to gaming, streaming, and editing. Its full-metal case and dual-fan cooling are appealing for sustained use. As with other Oculink mini PCs here, the connection is not hot-pluggable, and the external GPU enclosure adds physical bulk.

This is a strong recommendation for a compact gaming system, a powerful office workstation, or a creator who wants 32GB of memory and the option to add a desktop graphics card. It is less appropriate for buyers needing RAM upgrades after purchase or those who want a minimalist setup with no external graphics hardware. Subject to those constraints, the K16 delivers one of the most balanced feature sets in the guide.

Multitasking Headroom in a Tiny Case

The eight-core processor and 32GB memory make this suitable for running several demanding applications together. It provides more headroom for editing, streaming, development, and gaming than the six-core M8 models.

Networking and Display Versatility

Dual 2.5GbE ports and WiFi 6E support fast wired and wireless networks. Triple-display output gives gaming and productivity setups room to spread out without requiring a full tower.

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6. AOOSTAR MACO Ryzen 7 6850H – Best Overall Mini PC with Oculink

4.5Editor scoreCheck price on Amazon

AOOSTAR MACO Ryzen 7 6850H

AMD Ryzen 7 6850H

24GB LPDDR5 memory

1TB PCIe 4.0 SSD

64Gbps Oculink link

The AOOSTAR MACO AMD Ryzen 7 6850H is the most complete overall package in this guide. It combines an eight-core, 16-thread Ryzen 7 processor, Radeon 680M graphics, 24GB of LPDDR5 memory, 1TB of PCIe 4.0 storage, and a dedicated 64Gbps Oculink interface. Its 4.5 rating is among the highest among the supplied products, adding confidence without overselling the experience.

Pros

• Excellent processor and graphics balance
• Three high-speed M.2 slots
• Dual USB4 and dual Ethernet
• Four 4K display outputs
• Strong thermal and chassis design

Cons

• Soldered 24GB memory
• Oculink is not hot-swappable

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The processor boosts to 4.7GHz and supports three BIOS power profiles covering 45–54W, 55–65W, and 65–70W. The product information describes Radeon 680M graphics with 12 cores at 2200MHz, making the mini PC suitable for gaming, programming, image editing, and office work before an external GPU is attached. Three M.2 2280 PCIe 4.0 slots support a substantial storage array and RAID configurations.

Its interface selection is exceptionally broad. Two USB4 ports, two 2.5GbE LAN ports, Oculink, USB 3.2 Gen2, WiFi 6, and Bluetooth 5.2 cover data, networking, and display needs. Four 4K displays can be run simultaneously through DisplayPort, HDMI 2.1, and the two USB4 outputs. The recycled aluminum chassis, fingerprint reader, dual turbo fans, and vapor-chamber cooling reinforce its premium workstation positioning.

The MACO is best for buyers who want serious computing in a small, connectivity-rich system and intend to use Oculink for a high-end external GPU. It is also excellent as a compact productivity platform even without that upgrade. The main limitations are soldered memory and the lack of Oculink hot-swapping. Because the complete feature set is unusually balanced, it earns the Editor's Choice recommendation.

High-Bandwidth External Graphics

The dedicated Oculink implementation operates independently of the M.2 slots and provides up to 64Gbps theoretical bandwidth. It is a compelling route to a powerful external GPU when a full-size graphics card and enclosure are acceptable.

Storage, Networking, and Displays

Three PCIe 4.0 storage positions, dual 2.5GbE networking, two USB4 ports, and four-display support give this mini PC unusual flexibility. These features make it suitable as a small workstation rather than a simple desktop replacement.

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7. Reatan X8 Ryzen AI 9 HX 470 – Premium AI Workstation

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Reatan X8 Ryzen AI 9 HX 470

AMD Ryzen AI 9 HX 470

48GB upgradeable DDR5

1TB PCIe 4.0 SSD

PCIe 4.0 Oculink

The Reatan X8 Mini PC, AMD Ryzen AI 9 HX 470, 48GB DDR5 5600MHz 1TB, OCuLink is the premium option in this roundup. It combines a Ryzen AI 9 HX 470 processor, Radeon 890M graphics, 48GB of Crucial DDR5 memory, and a 1TB Crucial PCIe 4.0 SSD. Its 4.3 rating and unusually high specifications make it especially relevant to AI, development, rendering, and professional multi-monitor work.

Pros

• Powerful 12-core processor
• 48GB included memory
• Removable memory and storage
• Integrated AI NPU
• Quad 8K display support

Cons

• Premium-class system cost
• External GPU adds complexity

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The processor provides 12 cores, 24 threads, boost speeds up to 5.2GHz, and an NPU capable of up to 86 TOPS of AI performance. That dedicated hardware can accelerate compatible local AI applications, language models, assistants, and data tools without relying entirely on the CPU. The included 48GB of RAM supports demanding multitasking, virtual machines, and memory-heavy creative software.

Unlike many compact PCs, memory and storage are removable and upgradeable. Two DDR5 SODIMM slots support up to 96GB of RAM, and dual M.2 SSD positions support up to 8TB. Oculink uses a PCIe 4.0 x4 interface with up to 64Gbps theoretical bandwidth, enabling a compatible external desktop GPU for rendering, video editing, or demanding games. The metal chassis, dual heat pipes, and dedicated component fans help manage sustained performance.

The X8 also provides dual 40Gbps USB4, four-display support with output up to 8K at 60Hz, WiFi 7, Bluetooth 5.4, and 2.5GbE Ethernet. Its premium positioning is justified by the unusually high core count, generous memory, AI hardware, and expansion flexibility. It is best for professionals who can exploit those capabilities rather than users seeking a simple general-purpose mini PC.

Substantial Memory for Heavy Workloads

The 48GB starting capacity is useful for virtual machines, large project files, local AI models, and multitasking. Removable SODIMMs also allow the system to grow to 96GB when future workloads justify the investment.

Dedicated AI and Graphics Headroom

The NPU provides dedicated AI processing capacity, while Radeon 890M handles integrated graphics. Oculink then opens the door to a compatible external desktop GPU for more demanding rendering and gaming.

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8. GMKtec K15 AI Ultra 5 125U 1TB – Spacious Intel AI System

4.2Editor scoreCheck price on Amazon

GMKtec K15 AI Ultra 5 125U 1TB

Intel Core Ultra 5 125U

32GB DDR5 memory

1TB PCIe 4.0 SSD

Intel AI Boost NPU

The GMKtec K15 Mini PC AI Ultra 5 125U(up to 4.3GHz) 32GB DDR5 1TB PCIe 4.0 SSD is a storage-rich Intel mini PC with a 4.2 rating. It pairs the Core Ultra 5 125U with 32GB of DDR5 SO-DIMM memory, a 1TB PCIe 4.0 SSD, and three M.2 expansion slots. Intel's integrated AI Boost NPU adds hardware acceleration for compatible AI tasks.

Pros

• Large immediate storage capacity
• Upgradeable 32GB DDR5
• Three M.2 expansion slots
• Quad high-resolution displays
• Dedicated AI NPU

Cons

• Lower storage than some rivals
• External GPU needs extra hardware

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The processor configuration includes six performance cores, eight efficient cores, and two low-power efficient cores, producing 12 cores and 16 threads in the supplied description. It boosts to 4.3GHz and uses Intel Arc 140T integrated graphics with eight Xe cores. Quick Sync, AV1 encoding and decoding, and DirectX 12 support make the platform suitable for media workflows and compatible modern applications.

The K15 supports four displays through HDMI 2.1, DisplayPort 1.4, and USB Type-C, with listed output capabilities reaching 8K at 60Hz on HDMI. Its Oculink port operates at PCIe x4, while three M.2 2280 slots can hold up to 8TB each according to the listing. Triple cooling fans, RGB lighting, 2.5GbE Ethernet, WiFi 6, and Bluetooth 5.2 round out the hardware.

This version is best for a creator or office power user who wants immediate storage, upgradeable memory, high-resolution displays, and a modern Intel platform in a small case. The integrated GPU is not intended to replace a high-end gaming card, so Oculink users will need compatible external hardware. Even without an eGPU, the K15 is a capable and expandable productivity machine.

A Complete Storage Foundation

The 1TB PCIe 4.0 drive is useful for large applications, creative media, and game libraries. Three M.2 positions make additional expansion straightforward when a single drive is no longer enough.

Media and AI Features

Intel Quick Sync and AV1 support can improve media workflows, while the AI Boost NPU handles supported local AI operations. These capabilities make the K15 relevant to creators and developers as well as general office users.

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9. GMKtec K16 Ryzen 7 7735HS – Compact eGPU Gaming Platform

4.2Editor scoreCheck price on Amazon

GMKtec K16 Ryzen 7 7735HS

AMD Ryzen 7 7735HS

32GB LPDDR5 memory

512GB PCIe 4.0 SSD

PCIe 4.0 Oculink

The GMKtec K16 Gaming Mini PC AMD Ryzen 7 7735HS 32 GB LPDDR5 RAM 512GB SSD is a compact gaming platform with a 4.2 rating. Its Ryzen 7 7735HS provides eight cores, 16 threads, and boost speeds up to 4.75GHz, while Radeon 680M graphics with 12 compute units offer a capable integrated alternative to older entry-level discrete cards.

Pros

• Eight cores and 16 threads
• 32GB fast memory
• Front-mounted Oculink
• Radeon 680M graphics
• Dual 2.5GbE networking

Cons

• Storage begins at 512GB
• No Oculink hot-plugging

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The system includes 32GB of LPDDR5 6400MT/s memory and a 512GB PCIe 4.0 NVMe SSD. Two M.2 2280 PCIe 4.0 positions support further NVMe expansion, with the listing describing up to 16TB total. Memory is soldered, but 32GB is sufficient for modern games, content creation, streaming applications, and substantial multitasking.

Its front-mounted Oculink interface is a PCIe 4.0 x4 connection intended for compatible RTX 40- or RTX 50-series external graphics setups. The product listing explicitly notes that Oculink does not support hot-plugging. Triple-display output can reach 8K through HDMI, DisplayPort, and USB4, while dual 2.5GbE ports and WiFi 6E provide flexible networking.

The K16 is a strong choice for a compact gaming desk, editing system, or streamer who wants strong integrated graphics and the option to add a desktop GPU. The copper cooling system and 360-degree airflow are designed to handle sustained 45–50W performance loads. Buyers who require the smallest possible setup should also account for the size and power requirements of an external GPU enclosure.

Integrated Graphics That Can Be Expanded

Radeon 680M provides a strong foundation for 1080p gaming and media work. Oculink creates an upgrade path when integrated graphics are no longer sufficient, allowing users to retain the compact base computer.

Fast Transfers and Wired Networking

USB4 and PCIe 4.0 storage support modern high-speed peripherals, while dual 2.5GbE ports are valuable for fast NAS access, local transfers, router functions, and segmented networks.

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10. GMKtec K8 Plus Ryzen 7 8845HS – Polished Modular Mini PC

4.6Editor scoreCheck price on Amazon

GMKtec K8 Plus Ryzen 7 8845HS

AMD Ryzen 7 8845HS

16GB DDR5 memory

1TB PCIe 4.0 SSD

PCIe 4.0 Oculink

The GMKtec K8 Plus Gaming Mini PC Ryzen 7 8845HS (Max 5.1GHz) 16GB DDR5 1TB SSD has the highest customer rating in the supplied data at 4.6. It combines an eight-core, 16-thread Ryzen 7 8845HS, Radeon 780M graphics, 16GB of upgradeable DDR5 memory, and 1TB of PCIe 4.0 storage. The K8 Plus combines strong specifications with a particularly compact, mountable design.

Pros

• Highest supplied customer rating
• Ryzen AI NPU included
• Compact VESA-mountable design
• Four-display and 8K support
• Two full-function USB4 ports

Cons

• Only 16GB included memory
• Oculink requires system shutdown

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The processor boosts to 5.1GHz and includes a Ryzen AI NPU capable of up to 16 TOPS. Radeon 780M provides 12 RDNA 3 compute units, which makes the integrated graphics useful for compatible games, streaming, and creative applications. Two SO-DIMM slots allow the included 16GB DDR5-5600 memory to be expanded to as much as 128GB, making this model more adaptable than systems with soldered memory.

Storage includes a 1TB M.2 2280 PCIe 4.0 SSD and a second M.2 2280 PCIe 4.0 position, with support for drives up to 8TB each. The front Oculink port provides a direct PCIe 4.0 x4 connection for compatible external graphics or expansion docks. Two 40Gbps USB4 ports add data, display, and power input capabilities. Four displays are supported, with certain single-display HDMI and DisplayPort connections reaching 8K at 60Hz.

The system's two Intel I226-V 2.5GbE ports, WiFi 6E, three selectable power modes, VESA mounting, and three-year warranty make it particularly polished. The trade-offs are the 16GB starting memory, which most owners may want to increase, and the fact that Oculink is not hot-pluggable. It is a top recommendation for buyers who want a refined, compact, easily mounted mini PC with a clear external GPU upgrade path.

Upgradeable Memory in a Compact Body

Unlike the LPDDR5-based K16 models, the K8 Plus uses two SO-DIMM slots. Buyers can begin with 16GB, then add compatible DDR5-5600 modules when demanding applications call for more memory.

Clean Desk and Network Flexibility

The approximately 5.20 by 4.92 by 2.28-inch enclosure can be mounted behind a compatible display. Dual 2.5GbE ports, WiFi 6E, and selectable power modes make it well suited to both tidy and network-focused installations.

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Buying Guide – How to Choose the Best Mini PC with Oculink

The right Oculink mini PC depends on how much graphics performance you need, how much memory and storage you require, and whether you value compactness, networking, display flexibility, or upgradeability. Review these factors before choosing a model.

Processor and Integrated Graphics

The processor determines how quickly the system handles general computation, content creation, programming, and virtualization. The processors in this guide range from six-core Ryzen 5 PRO and Core Ultra 5 models to eight-core Ryzen 7 chips and the 12-core Ryzen AI 9 HX 470. Integrated graphics matter if the system will be used without an external GPU, so buyers who want casual gaming should examine the Radeon 660M, 680M, 780M, or 890M specifications rather than focusing on CPU cores alone.

Memory Capacity and Upgradeability

Memory configuration can determine whether a mini PC remains comfortable after several years of demanding use. Systems with 16GB are suitable for mainstream office work and many games, while 32GB provides better headroom for content creation, streaming, virtual machines, and simultaneous applications. The 48GB Reatan X8 is particularly attractive for heavy workloads. Crucially, the K15 and K8 Plus use SO-DIMM memory, while most other models use soldered LPDDR5 and cannot be upgraded.

Oculink Implementation and eGPU Readiness

A mini PC listing that mentions Oculink may still differ in how the interface is implemented, so buyers should verify that it provides a direct PCIe 4.0 x4 connection and works with the intended external graphics enclosure. Oculink can be an excellent way to add desktop graphics performance, but it requires a compatible power supply, enclosure, graphics card, and sufficient desk space. None of the listed systems supports Oculink hot-plugging, so the mini PC should be shut down before connecting or disconnecting the cable.

Storage Capacity and Expansion

The included SSDs range from 512GB to 1TB. A 1TB drive is preferable for large game libraries, video projects, virtual machines, and creative assets, but the number and type of M.2 slots are just as important. The AOOSTAR MACO and GMKtec K15 provide three M.2 positions, while the Reatan X8 and most M8 and K16 models provide two. All major configurations described here use NVMe SSDs, and some explicitly do not support SATA-formatted M.2 drives.

Display Connectivity

Display support matters for trading stations, programming, editing timelines, streaming, and multi-monitor offices. The guide includes systems that drive three displays and models supporting four displays. High-resolution output claims also depend on the exact port: HDMI 2.1 and DisplayPort 2.1 can offer 8K output on some configurations, whereas USB4 video is generally listed at DisplayPort 1.4 and up to 4K at 60Hz. Buyers should confirm the active port combination, monitor capabilities, and adapter requirements.

Networking and Wireless Connectivity

Dual 2.5GbE Ethernet is a major advantage for users who transfer large files, operate a NAS, build a home server, use virtualization, or want network segmentation. Two ports can also support compatible link aggregation, although the exact behavior depends on the operating system, switch, and configuration. WiFi 6E is common throughout the guide, while the Reatan X8 adds WiFi 7. For a permanently installed system, reliable wired networking may matter more than a faster wireless standard.

Cooling, Power, and Noise

Compact computers generate heat in a restricted area, so cooling design and power limits influence sustained performance. Several systems use dual fans, copper heat pipes, and 360-degree airflow, while the AOOSTAR MACO adds a vapor chamber and dedicated thermal design. BIOS performance modes are useful because they let users choose quieter operation for routine work or higher power limits for demanding tasks. A quiet system is valuable in a bedroom or live audio environment, while a gaming or rendering machine benefits from stronger cooling.

Size, Mounting, and Accessories

A mini PC saves desk space, but an eGPU enclosure and external power supply can offset that benefit. The GMKtec K8 Plus is particularly compact and includes a VESA bracket for mounting behind a compatible display. Other systems may fit under a monitor or beside one, but their dimensions and port placement should be checked. Buyers should also confirm whether an HDMI cable, power adapter, wall bracket, or other accessory is included and whether an Oculink cable or eGPU enclosure must be purchased separately.

How to Use and Care for Your Mini PC with Oculink

Begin by confirming that the operating system, applications, and monitor are set up correctly, then install the required drivers for the processor's integrated graphics, network interfaces, wireless module, and Bluetooth. If using Windows, complete its updates and check the display settings to ensure the intended resolution and refresh rate are active. Update the BIOS only when needed and follow the manufacturer's instructions, particularly for systems with selectable performance modes.

When attaching an external GPU through Oculink, shut down the mini PC and disconnect its power before connecting or removing the cable. Connect the graphics card to a compatible powered enclosure, ensure the power supply meets the card's requirements, and attach the display to the graphics card rather than the mini PC's integrated display output. Boot the system, install the appropriate graphics drivers, and confirm that the external GPU is recognized. Never attempt to swap the Oculink connection while the system is running.

For routine care, keep the mini PC's vents unobstructed and leave enough clearance around the enclosure for airflow. Clean exterior dust from vents with compressed air while the system is powered off, and avoid placing the system inside a closed cabinet without ventilation. Use performance modes suited to the workload, shut down cleanly when changing hardware, and keep firmware, graphics drivers, and storage drivers current. Periodically back up important data even when the mini PC uses a RAID-capable storage configuration.

Frequently Asked Questions

Final Thoughts on Choosing the Best Mini PC with Oculink

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