GMKtec K12 Gaming Mini PC Barebone with Ryzen 7 H 255 (Upgraded 8745HS,up to 4.9GHz), 3X M.2 2280 Storage Expansion, Oculink Port, Dual NIC 2.5G, Quad Display HDMI 2.1,DP1.4, USB4, No RAM/SSD/OS
*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.
About this item 【AMD Ryzen 7 H 255& Radeon 780M】: The Mini gaming PC K12 with Ryzen 7 H 255 (＞older Ryzen 7 8745H) part of the Hawk Point series. 8C/16T via SMT support(up to 4.9 GHz). Radeon 780M integrated graphics (12 CUs / 768 shaders, up to 2,600 MHz). Supporting hardware AV1/HEVC/AVC encoding/decoding and multi-display 8K output, it enables smooth gaming with FSR. Zen 4 adds AVX512 support with broader improvements to cache and memory architecture. 【2*DDR5 & PCIe 4.0x4】: The K12 mini computer supports dual-channel DDR5 at 5600MT/s, up to 128GB(64GB*2). Its PCIe 4.0 x4 slot enables high-…
Key Features
- 【AMD Ryzen 7 H 255& Radeon 780M】 The Mini gaming PC K12 with Ryzen 7 H 255 (＞older Ryzen 7 8745H) part of the Hawk Point series. 8C/16T via SMT support(up to 4.9 GHz). Radeon 780M integrated graphics (12 CUs / 768 shaders, up to 2,600 MHz). Supporting hardware AV1/HEVC/AVC encoding/decoding and multi-display 8K output, it enables smooth gaming with FSR. Zen 4 adds AVX512 support with broader improvements to cache and memory architecture.
- 【2*DDR5 & PCIe 4.0x4】 The K12 mini computer supports dual-channel DDR5 at 5600MT/s, up to 128GB(64GB*2). Its PCIe 4.0 x4 slot enables high-performance external GPUs, network cards, or storage controllers, providing fast data transfer for demanding tasks like gaming, video editing, and 3D rendering. It also features three M.2 2280 PCIe 4.0 slots, each supporting up to 8TB (24TB Total). Just the barebones no RAM, no SSD, no OS.
- 【Quad Screen 4K Display Support 】 K12 Min desktop computer support 4-screen 4K/8K output via HDMI 2.1 (8K@60Hz), DisplayPort 1.4 (4K@60Hz), USB4, and USB Type-C Transfer speed (supporting PD3.0/DP1.4/DATA). Ideal for gaming, video editing, stock traders, remote workers and multitasking. It provides expansive and crisp multi-display support.
- 【Oculink Port 】 The Oculink port offers higher PCIe Gen4 x4 bandwidth than Thunderbolt's x3, enabling superior data transfer, higher frame rates, and reduced lag. Gamers and content creators will benefit from its exceptional eGPU performance, making it a powerful addition to our mini PC.
- 【Dual 2.5GbE LAN + WIFI 6E + BT 5.2】 Dual Ethernet 2.5GbE LAN ports design provides more applications, such as firewall, multichannel aggregation, soft routing, file storage server. Built-in WIFI 6E / Bluetooth 5.2 is more stable and efficient to connect multiple wireless devices such as projector, printer, monitor, speakers and etc.
- 【Dual Cooling Fans With RGB】 A turbo CPU fan and a large DDR5/SSD fan ensure efficient, quiet cooling (only 35dB in Quiet Mode). Advanced heatpipes and 360° airflow maintain optimal temperatures even under heavy loads. Plus, 13 dazzling RGB lighting modes let you personalize your setup.
Full Specifications
| ASIN | B0GF78LHXP |
|---|---|
| Brand | GMKtec |
| Color | Slate grey |
| RAM Type | DDR5 RAM |
| CPU Model | AMD R Series |
| CPU Speed | 4.9 GHz |
| Model Name | K12 |
| Resolution | 7680 x 4320 |
| Style Name | K12 Ryzen 7 H 255 |
| Unit Count | 1.0 Count |
| Aspect Ratio | 169 |
| Manufacturer | Shenzhenshi Jimokekejiyouxiangongsi |
| Memory Speed | 5600 MT/s |
| Model Number | K12 |
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GMKtec K12 Gaming Mini PC Barebone with Ryzen 7 H 255 (Upgraded 8745HS,up to 4.9GHz), 3X M.2 2280 Storage Expansion, Oculink Port, Dual NIC 2.5G, Quad Display HDMI 2.1,DP1.4, USB4, No RAM/SSD/OS is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.