Massive Power, Pocket-Sized Freedom
The GMKtec NucBox K12 Barebone Edition redefines the ultra-compact form factor. Designed for hardware enthusiasts, engineers, and power users, this workstation-grade mini PC offers unparalleled customization. Built on the 4nm Zen 4 architecture, it balances extreme thermal efficiency with raw processing power, making it the perfect foundation for home labs, specialized storage servers, or high-end gaming rigs.
Key Features
- Zen 4 Dominance: AMD Ryzen™ 7 H255 with 8 Cores/16 Threads and 70W Peak TDP.
- OCulink Interface: Dedicated PCIe Gen4 x4 port for lossless eGPU connectivity.
- Triple M.2 Storage: Industry-leading support for 3x M.2 2280 slots (Up to 24TB total).
- Vapor Chamber Cooling: Advanced VC thermal system for sustained high-performance at 35dB.
- Quad-Display 8K: Full-function USB4 + HDMI 2.1 + DP 1.4 for immersive setups.
Core Specifications
| System Architecture |
| Processor |
AMD Ryzen™ 7 H255 (Series 200 Mobile) |
| Core Config |
8 Cores / 16 Threads (4nm TSMC FinFET) |
| Clock Speed |
3.8 GHz Base | 4.9 GHz Max Boost |
| Graphics |
AMD Radeon™ 780M (RDNA 3, 12 CUs @ 2600 MHz) |
| Thermal Design |
Adjustable TDP: 35W (Silent) / 54W (Balanced) / 70W (Performance) |
| Expansion (Barebone Configuration) |
| Memory Slots |
2x DDR5 SO-DIMM (Supports up to 128GB DDR5-5600MT/s) |
| Storage Slots |
3x M.2 2280 NVMe PCIe 4.0 Slots (1x x4, 2x x2 lanes) |
| Networking |
Dual 2.5G RJ45 Ethernet + Wi-Fi 6E + Bluetooth 5.2 |
Input / Output Connectivity
Front Panel
- 1x USB 3.2 Gen 2 Type-C (PD/DP)
- 2x USB 3.2 Gen 2 Type-A
- 1x USB 2.0 Type-A
- 3.5mm Audio Combo Jack
Rear Panel
- 1x USB4 (40Gbps / PD / 8K)
- 1x OCulink (PCIe Gen4 x4)
- 1x HDMI 2.1 + 1x DP 1.4
- 2x 2.5G LAN + 2x USB Type-A
⚠️ BAREBONE NOTICE: This system does not include RAM, Storage, or an Operating System. Users must install their own memory and NVMe SSDs to ensure system stability and boot capability.