Description
GMKtec NUCBox K12 Barebone Mini PC
The GMKtec K12 is a compact barebone desktop powered by the AMD Ryzen 7 H255 processor (8 cores, 16 threads, up to 4.9 GHz) paired with the AMD Radeon 780M integrated GPU. This unit ships without RAM or storage, so you supply your own DDR5 memory (up to 128GB supported) and M.2 PCIe 4.0 SSDs for a fully custom build.
Display and Graphics
The Radeon 780M supports multi-display output including HDMI 2.1, DisplayPort 1.4, and USB-C with DP 1.4, enabling up to four screens simultaneously. Hardware encoding and decoding for AV1, AVC, and HEVC codecs is supported, along with AMD FSR for gaming.
Connectivity
- WiFi 6E and Bluetooth 5.2 for fast, stable wireless connections
- Dual 2.5GbE LAN ports suitable for soft routing, NAS, and network aggregation
- USB 3.2 Gen 2 ports (10 Gbps) and USB-C with PD 3.0 support
- 3.5mm audio jack and HDMI 2.1 output included
Cooling and Design
Dual cooling fans with heatpipes and 360-degree airflow keep thermals in check under sustained workloads. The system includes 13 RGB lighting modes for personalization. Quiet Mode operates at approximately 35 dB.
What to Check Before Buying
- This is a barebone unit — RAM and SSD are not included and must be purchased separately
- Confirm your preferred RAM type and SSD slot configuration are compatible
- Verify display output combinations for your specific monitor setup
In the Box
- 1x GMKtec NUCBox K12 Mini PC (Barebone)
- Power adapter, back bracket, HDMI cable, and manual

