GMKtec
GMKtec K8 Plus Mini PC — Ryzen 7 8845HS, 32GB DDR5, 1TB SSD
Bottom line: The GMKtec K8 Plus is a Ryzen 7 8845HS mini PC with a Radeon 780M iGPU, 32 GB of DDR5 (expandable to 128 GB), an OCuLink port for an external GPU and dual 2.5 GbE, listed at $919.99 on Amazon as of 2026-11-13 11:14 UTC; its main limit is a 65 W Performance mode that caps sustained iGPU headroom.
Compared with: the GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS, $629.99 on Amazon as of , and the Beelink SER5 MAX Mini Pc, $489.00 on Amazon as of (prices may vary). Side-by-side specs →
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
*Price sourced from Amazon.com. Last updated 2026-11-13. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Ryzen 7 8845HS: 8C/16T, 5.1GHz boost, 16MB L3 cache
- ✓ Radeon 780M RDNA3 iGPU, 12 CUs at up to 2700MHz
- ✓ 32GB DDR5-5600 dual channel, expandable to 128GB
- ✓ OCuLink port for external GPU or fast storage expansion
- ✓ Dual Intel i226V 2.5Gbps NICs plus WiFi 6 and BT 5.2
Cons
- ✗ 65W Performance mode caps sustained iGPU headroom
- ✗ Demanding titles like Cyberpunk 2077 need minimum settings
- ✗ Dual-fan cooler means Silent mode is 35W, not silent-and-fast
Manufacturer description
The GMKtec K8 Plus packs a desktop-class emulation and gaming box into a mini PC chassis, built around the AMD Ryzen 7 8845HS: 8 cores, 16 threads, boost to 5.1GHz, and 16MB of L3 cache. Graphics come from the integrated Radeon 780M, an RDNA3 part with 12 compute units (768 shaders) clocked up to 2700MHz, which handles 1080p gaming at lower settings and chews through retro and sixth-generation emulation with headroom to spare. You get 32GB of DDR5-5600 in dual channel, expandable to 128GB, plus a 1TB PCIe 4.0 M.2 SSD with room for up to 8TB. Connectivity is where this GMKtec mini PC…
SpecPicks Verdict
SpecPicks scored GMKtec Gaming Mini PC K8 Plus AMD Ryzen 7 8845HS 32GB DDR5 RAM 1TB SSD using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the home ai / computer lab category. GMKtec's home ai / computer lab lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for home ai / computer lab of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Can the GMKtec K8 Plus handle GameCube, PS2, and Switch emulation?
The Radeon 780M is an RDNA3 iGPU with 12 CUs (768 shaders) up to 2700MHz, paired with an 8-core/16-thread Ryzen 7 8845HS, which is the class of hardware that handles sixth-generation and earlier emulation comfortably. Per-emulator results vary by title and settings.
How much RAM and storage can I add later?
It ships with 32GB of DDR5 at up to 5600MHz across two 16GB channels and supports expansion to 128GB. Storage is a 1TB PCIe 4.0 M.2 SSD, expandable up to 8TB.
Does it support an external graphics card?
Yes. The K8 Plus includes an OCuLink interface for high-speed external connections, which GMKtec lists for both external GPU use and storage expansion. You supply the eGPU dock and card separately.
How many monitors can it drive at once?
Up to four displays. Outputs are two USB4 ports at 40Gbps with DP1.4 and Power Delivery 3.0, HDMI 2.1 at 8K/60Hz, and DisplayPort 2.1 at 8K/60Hz.
Video review
The First Ryzen 7 8845HS Mini PC! GMKTec Nucbox K8 Review — TechTablets on YouTube
Key Features
- 【Advanced Gaming PC】Powered by the AMD Ryzen 7 8845HS processor with 8 C/ 16T, up to 5.1GHz, and featuring a 16MB L3 cache. This powerful CPU excels in gaming, video editing, and multitasking. With its 35-54W TDP range, it ensures efficient power consumption without compromising on performance. NPU (AI Engine) Only in 8845HS Improved over 8745HS (No NPU) – Dedicated Neural Processing Unit for faster AI workloads (Windows Studio Effects, Copilot+, local AI tasks).
- 【32GB DDR5 + 1TB SSD】Equipped with 32GB memory capacity,DDR5 speed up to 5600MHz, offering faster data processing and multitasking. The dual 16GB channels support expansion up to 128GB, allowing users to customize based on their needs. The 1TB PCIe 4.0 M.2 SSD ensures ultra-fast storage, with expansion options up to 8TB, making it perfect for heavy workloads and large storage needs
- 【Dual Intel i226V NIC 2.5Gbps, WiFi 6 & BT 5.2】Featuring dual Intel i226V 2.5Gbps Ethernet ports, K8 Plus mini PC provides faster and more stable wired network connections, ideal for gamers and content creators. WiFi 6 supports multiple frequency bands, ensuring a strong, low-latency wireless connection. BT5.2 delivers faster data transfer, lower power consumption, and support for the latest peripherals
- 【AMD Radeon 780M Gaming PC GPU】The AMD Radeon 780M is an integrated GPU based on the new RDNA3 architecture and has 12 CUs (= 768 shaders) clocked at up to 2700MHz. Thanks to the new architecture and higher clock speeds, the Radeon 780M should be clearly faster then the old Radeon 680M. This means most demanding games should be playable in minimum graphics settings (like Cyberpunk 2077) and less demanding games like Fifa 23 can be played in higher settings and resolutions (1080p).
- 【Oculink Interface for High-Speed Connectivity】The Oculink interface allows ultra-fast external connections for storage expansion or GPU upgrades. It ensures faster data transfer rates compared to traditional interfaces, offering enhanced flexibility for users who require additional performance for tasks like large data transfers or external GPU use
- 【4-Screen 4K Output with Advanced Connectivity】The Nucbox K8 Plus mini PC supports up to 4 displays in 4K/8K resolution, via 2 USB4 ports (40Gbps), HDMI 2.1 (8K@60Hz), and DisplayPort 2.1 (8K@60Hz). The USB4 ports support Power Delivery 3.0 and DP1.4 for seamless multitasking, allowing users to run multiple applications simultaneously, perfect for workstations, gamers, or professional content creators
Full Specifications
| Brand | GMKtec |
|---|---|
| Color | Black(K8 PLUS) |
| Weight | 2.5g |
| RAM Type | DDR5 RAM |
| CPU Model | AMD Ryzen 7 8845HS |
| CPU Speed | 5.1 GHz |
| Cache Size | 16 MB |
| Model Name | K8 PLUS |
| Model Year | 2024 |
| Resolution | 4096 × 2160 |
| Style Name | R7 8845HS |
| Unit Count | 1 Count |
| Screen Size | 75 inches |
| Aspect Ratio | 16:9 |
| Connectivity | Wireless, WiFi |
| Display Type | External |
| Memory Speed | 5600 MHz |
| Model Number | K8 PLUS |
| Video Output | HDMI, DisplayPort, USB4 Type-C |
| Compatibility | PC |
How it compares
GMKtec Gaming Mini PC K8 Plus AMD Ryzen 7… next to three other listings from the Home AI / Computer Lab category that Amazon priced in the last 24 hours, on the specs all four listings state. Specs are as each Amazon listing gives them.
| Listing | Price | Memory Storage Capacity | Connectivity Technology | Display Resolution Maximum | Display Type | Buy |
|---|---|---|---|---|---|---|
| GMKtec Gaming Mini PC K8 Plus AMD Ryzen 7… (this page) | $919.99 as of , price may vary | 128 GB | Bluetooth, Ethernet, HDMI, LAN, USB | 7680x4320 pixels | External | View Current Price |
| GMKtec M6 Ultra Gaming Mini PC Ryzen 7640HS | $629.99 as of , price may vary | 64 GB | Ethernet, HDMI, LAN, USB | 7680x4320 | External | View Current Price |
| Beelink SER5 MAX Mini Pc | $489.00 as of , price may vary | 500 GB | Ethernet, HDMI, LAN, Wi-Fi | 3840x2160 | LCD | View Current Price |
| MINISFORUM Venus UM790 Pro Mini PC AMD Ryzen 9… | $879.00 as of , price may vary | 32 GB | Ethernet, HDMI, USB | 3840 x 2160 pixels | LCD | View Current Price |
Where it stands: of these four listings, this one has the highest price.
*Prices sourced from Amazon.com at the time shown on each row. Price and availability subject to change. As an Amazon Associate, SpecPicks earns from qualifying purchases.
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the Ryzen 7 8845HS — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Hardware benchmark data
Ready to buy?
GMKtec Gaming Mini PC K8 Plus AMD Ryzen 7 8845HS(8C/16T, up to 5.1GHz) 32GB DDR5 RAM 1TB SSD, Desktop Computer Dual NIC 2.5G, HDMI 2.1, USB4 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-11-13. Price and availability subject to change.
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