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View All / Brand (G-M) / GMKtec / GMKtec AMD Mini PC
GMKTEC NUCBOX K12 AMD Ryzen™ 7 H 255 32+1T WINDOW 11 PRO (CS-GNBK12+LB-PCNB) #2year warranty

GMKTEC NUCBOX K12 AMD Ryzen™ 7 H 255 32+1T WINDOW 11 PRO (CS-GNBK12+LB-PCNB) #2year warranty

AMD Ryzen™ 7 H255 CPU
AMD Radeon™ 780M
32GB DDR5 (5600MT/s) memory
Three M.2 2280 SSD slots ; Pre-installed : 1TB SSD
HDMI (2.1) x 1, DP (1.4) x 1, USB 4 x 1, USB Type-C x 1
Support quad displays for multi-tasking
OCuLink port for external GPU
Dual 2.5Gb LAN, WiFi 6E & BT 5.2
RGB ; Windows 11 Pro

[HK Only] 1 For free-shipping items, choose "Home Delivery (+$100)" for an automatic discount on selected categories

Free delivery for order over$2000 (HK only) (No free shipping for Macau monitors,chair,ASUS products on order

HK$4,999.00
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Description
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Description
GMKtec K12 mini PC
GMKTEC NUCBOX K12 is a new mini PC from GMKtec, powered by an AMD Ryzen 7 H255 processor with integrated Radeon 780M graphics. Launched globally in August 2025, it is designed for users who need strong performance in a compact form factor for gaming, content creation, and professional use.

Processor
AMD Ryzen 7 H255, an 8-core, 16-thread CPU based on the Zen 4 architecture with clock speeds up to 4.9 GHz.

Graphics
Integrated AMD Radeon 780M (RDNA 3.5), and its performance is comparable to an NVIDIA GeForce RTX 2060 for handling games and creative workloads.

Memory
Supports up to 128 GB of dual-channel DDR5-5600 SO-DIMM RAM.

Storage
Features three M.2 2280 PCIe 4.0 slots for high-speed NVMe SSDs, with a maximum capacity of 24 TB.

External GPU support
Includes an OCuLink (PCIe 4.0 x4) port for connecting an external GPU for a significant performance boost in graphically intensive tasks like gaming and 3D rendering.

Connectivity
  • USB : USB 4, USB 3.2 Gen2 (Type-C and Type-A), and USB 2.0.
  • Video outputs : HDMI (2.1), DisplayPort (1.4), USB 4, and USB Type-C, supporting up to four displays simultaneously at resolutions up to 8K@120 Hz.
  • Networking : Dual 2.5G LAN ports, Wi-Fi 6E and Bluetooth 5.2.

Cooling
Employs a dual-fan vapor chamber cooling system with selectable performance modes, including a quiet 45W mode and a high-performance 70W mode.

13 Fan Modes and Stunning RGB Effects
With 13 fan modes and 13 vibrant lighting effects to choose from, whether you value style or performance, you'll find the perfect fit for your needs.



Specifications :
Model K12
Processor AMD Ryzen™ 7 H255, 8 cores / 16 threads, turbo up to 4.9GHz, 16MB L3 cache
Graphics AMD Radeon™ 780M (up to 2.6GHz)
Memory Dual channel DDR5 SODIMM x 2 (5600MT/s, max 128GB)
Pre-installed : 32GB DDR5
Storage 2 x M.2 2280 PCIe4.0 x2 +
1 xM.2 2280 PCIe4.0 x4 (max 24TB)
Pre-installed : 1TB SSD
Wireless Connectivity WiFi 6E & Bluetooth 5.2
Ethernet 2 x 2.5Gb LAN ports (Realtek 8125BG)
Video Output ① HDMI (2.1) x 1 (4K@120Hz)
② DisplayPort (1.4) x 1 (8K@120Hz)
③ USB 4 Type-C x 1 
④ USB 3.2 Gen 2 Type-C x 1 (PD/DP/Data)
Audio Output HDMI x 1
3.5mm headphone Jack x 1
Ports & Buttons HDMI (2.1) x 1
DisplayPort (1.4) x 1
USB 4 Type-C x 1
USB 3.2 Gen 2 Type-C x 1
USB 3.2 Gen 2 Type-A x 3
USB 2.0 x 2
OCuLink x 1 (PCIe Gen 4 x4)
2.5Gb RJ-45 Ethernet Port x 2
3.5mm Combo Jack x 2
DC-in Jack x 1
Power button w/ LED
Fan / LED control button
Clear CMOS
Other Features • AI desktop center with 165W+ performance
• 3 performance modes (35W / 54W / 65W)
• Triple M.2 SSD support (PCIe 4.0)
• Dual fan design : CPU VC + intelligent fan
• WiFi 6E + dual 2.5G LAN
• Quad-display 4K output
• USB 4.0 (40Gbps), PD, DP1.4
• OCuLink eGPU support
Power Adapter DC 19V, 6.32A (120W)
Operating System Windows 11 Pro
Color Black
Dimensions 154 x 151 x 73.6 mm


Shipping & Payment

Delivery Options

  • Self Pick-up at Kwun Tong Service Center (1-2 working days)
  • Home Delivery +HK$100.00 ( Hong Kong only, surcharge for remote area)
  • S.F. Express - Store Pickup
  • S.F. Express - Centre Pickup
  • S.F. Express - Office / Home Delivery
  • 澳門寄送服務 (順豐快遞運費到付) (滿 $２,000 免運費) (桌上顯示器/電競椅網椅及所有ASUS產品不提供免運費優惠)

Payment Options

  • FPS
  • Alipay (HK)_SHOPLINE Payments
  • Payme
  • Octopus (Free of Service Charge)
  • Bank Transfer / ATM
  • 澳門銀行戶口
Customer Reviews
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