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GMKtec K12 Mini PC AMD Ryzen 7 H 255

Model K12CTO
ProcessorAMD Ryzen 7 H 255
Memory32 GB
Storage512 GB
GraphicsAMD Radeon 780M Graphics • 12 Cores, up to 2600 MHz
OSWin 11 Pro
Weight2.0 lb

Specifications 11 normalized

Processor
Processor
AMD Ryzen 7 H 255
Memory & storage
Memory
2 × DDR5 SO-DIMM Slots • Dual-Channel 32 GB (16 GB × 2) standard configuration • DDR5-5600 Memory • Supports up to 96 GB
Storage
512 GB / 1 TB SSD options
Storage Expansion
3 × M.2 2280 PCIe 4.0 SSD Slots • 1 × PCIe 4.0 ×4 slot + 2 × PCIe 4.0 ×2 slots • Supports up to 24 TB total storage
Graphics
Graphics
AMD Radeon 780M Graphics • 12 Cores, up to 2600 MHz
Graphics Output
Quad display output via HDMI 2.1 + DisplayPort 1.4 + USB4 + USB Type-C • Supports simultaneous multi-display output
Connectivity
Networking
Wi-Fi 6E (RZ616, up to 2.4Gbps) • Bluetooth 5.2 • Dual 2.5G Ethernet LAN (Realtek 8125BG)
Power & battery
Power
Built-in coin cell battery • DC Power Adapter 19V / 6.32A, 120W
Physical & build
Form Factor
154 × 151 × 73.6 mm
Weight
Approx. 920 g
Operating system & software
Operating System
Windows 11 Pro

I/O Ports 10

  • Audio: 1 × 3.5mm Combo Jack
  • USB-C: 1 × USB 3.2 Gen2 Type-C (PD / DP / Data)
  • USB-A: 2 × USB 3.2 Gen2
  • USB-A: 1 × USB 2.0
  • USB4: 1 × USB4.0 Full-Function Port
  • HDMI: 1 × Standard HDMI 2.1
  • DisplayPort: 1 × DP 1.4 (DP++)
  • OCulink: 1 × PCIe Gen4 ×4 OCulink Port
  • USB-A: 1 × USB 3.2 Gen2 + 1 × USB 2.0
  • LAN: 2 × RJ45 2.5G Ethernet

Configurator · 1 group · 3 options · live

Configured total: $359.99 · base $359.99 · deltas vs as-shipped config
RAM + SSD 3 options
Barebone (No DDR & SSD & OS)incl.
32GB RAM + 1TB SSD+$380
64GB RAM + 1TB SSD+$790

Price history

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Where to buygmktec · Configure ↗checking retailers…
Developer · record & raw JSON
status
active
currency
USD
source
push:gmktec
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  "category": "mini",
  "name": "GMKtec K12 Mini PC AMD Ryzen 7 H 255",
  "price": 359.99,
  "specs": {
    "Processor": "AMD Ryzen 7 H 255",
    "Graphics": "AMD Radeon 780M Graphics • 12 Cores, up to 2600MHz",
    "Memory": "2 × DDR5 SO-DIMM Slots • Dual-Channel 32GB (16GB × 2) standard configuration • DDR5-5600 Memory • Supports up to 96GB",
    "Storage": "512GB / 1TB SSD options",
    "Storage Expansion": "3 × M.2 2280 PCIe 4.0 SSD Slots • 1 × PCIe 4.0 ×4 slot + 2 × PCIe 4.0 ×2 slots • Supports up to 24TB total storage",
    "Graphics Output": "Quad display output via HDMI 2.1 + DisplayPort 1.4 + USB4 + USB Type-C • Supports simultaneous multi-display output",
    "Networking": "Wi-Fi 6E (RZ616, up to 2.4Gbps) • Bluetooth 5.2 • Dual 2.5G Ethernet LAN (Realtek 8125BG)",
    "Operating System": "Windows 11 Pro",
    "Form Factor": "154 × 151 × 73.6 mm",
    "Weight": "Approx. 920 g",
    "Power": "Built-in coin cell battery • DC Power Adapter 19V / 6.32A, 120W"
  },
  "ports": [
    "Audio: 1 × 3.5mm Combo Jack",
    "USB-C: 1 × USB 3.2 Gen2 Type-C (PD / DP / Data)",
    "USB-A: 2 × USB 3.2 Gen2",
    "USB-A: 1 × USB 2.0",
    "USB4: 1 × USB4.0 Full-Function Port",
    "HDMI: 1 × Standard HDMI 2.1",
    "DisplayPort: 1 × DP 1.4 (DP++)",
    "OCulink: 1 × PCIe Gen4 ×4 OCulink Port",
    "USB-A: 1 × USB 3.2 Gen2 + 1 × USB 2.0",
    "LAN: 2 × RJ45 2.5G Ethernet"
  ],
  "sku": "K12-7-00S",
  "url": "https://www.gmktec.com/products/gmktec-k12-amd-ryzen™-7-h-255-mini-pc",
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        {
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          "sku": "K12-7-84S",
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