The compact GMKtec K12 mini PC delivers top-tier performance in a small body. It offers a 8-core/16-thread AMD Ryzen 7 with boost up to 4.9 GHz, Radeon 780M (RDNA 3) graphics, 32 GB DDR5, 1 TB PCIe 4.0 SSD and Windows 11 Pro. Thanks to rich connectivity including USB4, HDMI 2.1, DP 1.4, dual 2.5G LAN, Wi‑Fi 6E and Bluetooth 5.2, it handles work, creation and gaming, and supports up to 4 displays at up to 8K.
Top-tier performance from Ryzen 7 and Radeon 780M graphics
Eight cores and sixteen threads with boost up to 4.9 GHz and 16 MB cache ensure smooth multitasking. The integrated AMD Radeon 780M graphics (RDNA 3, up to 2600 MHz) handles modern games, video editing and 3D work.
Up to 4 displays at 8K and rich connectivity
Connect multiple monitors via HDMI 2.1, DisplayPort 1.4 and USB4. Two 2.5G LAN ports, Wi‑Fi 6E and Bluetooth 5.2 ensure fast networking and stable wireless.
Expandability and eGPU via OCuLink
Up to 128 GB DDR5 and up to 24 TB total SSD (3× M.2 2280 PCIe 4.0). The OCuLink port (PCIe Gen4 x4) lets you connect an external graphics card for maximum performance.
The GMKtec K12 combines high compute performance and connectivity in an elegant metal chassis. The AMD Ryzen 7 H255 processor and integrated Radeon 780M graphics deliver snappy responses in demanding applications, professional workflows and modern games. Thanks to quiet and efficient cooling, the mini PC maintains stable operation even under load.
Hook up up to four monitors, use fast USB4 (DP/PD/Data) ports, connect via 2× 2.5G LAN or Wi‑Fi 6E, and expand storage up to 24 TB thanks to three M.2 2280 PCIe 4.0 slots. The OCuLink (PCIe Gen4 x4) port opens the door to external graphics and pushes performance to desktop-class levels.
- Next‑gen performance: 8C/16T, up to 4.9 GHz, DDR5 5600 MHz, PCIe 4.0 SSD.
- Versatile display: up to 8K output and support for 4 monitors (HDMI 2.1, DP 1.4, USB4).
- Professional connectivity: 2× 2.5G Ethernet, Wi‑Fi 6E, Bluetooth 5.2, 3.5 mm audio.
- Easy upgrade: up to 128 GB RAM and up to 24 TB total SSD (3× M.2 2280).
- Smart cooling: dual fans, stability under sustained load, three performance modes.
Specifications
- Manufacturer
- GMKtec
- Model
- K12
- Dimensions
- 154 × 115 × 73.6 mm
- Chassis material
- Metal + plastic
- Weight
- 926 g
- Processor
- AMD Ryzen 7 H255 (8C/16T)
- Base clock
- 3.7 GHz
- Max boost clock
- 4.9 GHz
- TDP / Power draw
- up to 70 W; modes 35–70 W
- Graphics
- Integrated AMD Radeon 780M (RDNA 3), up to 2600 MHz
- RAM
- 32 GB DDR5 5600 (SO-DIMM, expandable up to 128 GB)
- Storage
- 1 TB M.2 2280 PCIe 4.0 SSD (installed) + 2× M.2 2280 PCIe 4.0 (each up to 8 TB, up to 24 TB total)
- 2.5" drive support
- No
- Card reader
- No
- Video outputs
- 1× HDMI 2.1, 1× DisplayPort 1.4, 2× USB4 (Type‑C, DP/PD/Data)
- Audio
- 3.5 mm combo jack (CTIA)
- Network
- 2× RJ45 2.5G (compatible 1G/100M/10M)
- Wi‑Fi
- Wi‑Fi 6E (2.4/5/6 GHz)
- Bluetooth
- Bluetooth 5.2
- Interfaces
- PCIe, OCuLink (PCIe Gen4 x4 for eGPU)
- USB
- 3× USB 3.2, 2× USB 2.0, 2× USB4 (Type‑C)
- Indicators
- Power status LED (white)
- Buttons
- Power button
- Power
- Input 100–240 V, 50/60 Hz; output 19 V / 6.32 A (120 W), DC 5.5/2.5 mm
- Operating system
- Windows 11 Pro (preinstalled), Linux support
- Security
- TPM 2.0 (software)
- Antennas
- 2× FPC (Wi‑Fi + BT)
- Operating temperature
- 0–40 °C
- VESA mount
- Yes (bracket in the box)
- Other
- BIOS support, RTC
