Gmktec K12 Mini PC Launched with Ryzen 7 H 255 & Radeon 780M

Gmktec has officially unveiled its latest powerhouse, the K12 Mini PC, in the Chinese market. Designed for gamers, content creators, and professionals who demand high performance in a compact form factor, the K12 blends cutting-edge hardware with a robust cooling solution. With the inclusion of AMD’s Ryzen 7 H 255 processor, Radeon 780M graphics, and support for up to 128GB DDR5 RAM, this mini PC aims to deliver desktop-class performance in a space-saving design.

Gmktec K12 Mini PC Specs and Features

High-Performance Ryzen 7 H 255 CPU

At the heart of the Gmktec K12 is the AMD Ryzen 7 H 255, an 8-core, 16-thread processor built on AMD’s Zen 4 architecture. It operates at a base frequency of 3.8GHz and can reach up to 4.9GHz in boost mode, backed by a generous 16MB L3 cache and a 70W TDP, making it well-suited for heavy multitasking and performance-intensive workloads.

Radeon 780M Delivers Smooth Graphics

For graphics, the K12 integrates AMD Radeon 780M GPU based on RDNA 3 architecture, featuring 12 GPU cores clocked at 2600MHz. This offers a substantial graphics boost over previous generations, ensuring smooth performance for light gaming, 4K media editing, and multi-monitor productivity.

Massive DDR5 RAM & 24TB Storage Support

The system supports up to 128GB of DDR5 memory through dual SO-DIMM slots, catering to memory-heavy tasks like 3D rendering or large-scale simulations. In terms of storage, the K12 includes three M.2 PCIe 4.0 slots — two with PCIe 4.0 x2 and one with PCIe 4.0 x4 — allowing for a total storage capacity of up to 24TB.

Efficient Cooling and Connectivity

To keep the performance stable, Gmktec has integrated a vapor chamber cooling system paired with dual fans. This setup not only keeps temperatures in check but also maintains low noise levels, even under load.

Connectivity is another major highlight. The K12 supports:

• Dual 2.5G Ethernet ports
• Wi-Fi 6E
• Bluetooth 5.2
• External GPU (eGPU) support via OCulink port — compatible with high-end GPUs like the NVIDIA RTX 4060

Display and I/O Ports

When it comes to display support, the mini PC can handle up to four displays, pushing resolutions as high as 8K at 120Hz, thanks to its diverse port options:

• HDMI 2.1
• DisplayPort 1.4
• USB4
• Full-feature USB-C

Front Panel Ports:

• 2 × USB-A 3.2 Gen 2
• 1 × USB-A 2.0
• 1 × USB-C
• 1 × 3.5mm audio jack

Rear Panel Ports:

• 1 × USB-A 3.2 Gen 2
• 1 × USB-A 2.0
• 1 × HDMI
• 1 × DisplayPort
• 1 × USB4
• 1 × 3.5mm audio jack
• 1 × OCulink port
• 2 × 2.5G LAN ports

Gmktec K12 Mini PC Price and Availability

The Gmktec K12 is available in three configurations:

Barebone Version (No RAM/No Storage)

• Regular Price: ¥2,399 (approx. $336)
• Launch Price: ¥2,099 (approx. $293)

16GB RAM + 512GB SSD

• Regular Price: ¥2,899 (approx. $406)
• Launch Price: ¥2,599 (approx. $364)

32GB RAM + 1TB SSD

• Regular Price: ¥3,399 (approx. $476)
• Launch Price: ¥3,099 (approx. $434)

These competitive prices make the K12 an attractive option for anyone looking for serious performance in a compact chassis without breaking the bank.

Final Verdict

The Gmktec K12 Mini PC proves that size doesn’t always limit performance. With the powerful Ryzen 7 H 255, RDNA 3 graphics, expansive RAM and storage options, and eGPU support, it’s a mini PC that’s ready to tackle gaming, creative workloads, and professional multitasking with ease. Whether you're building a minimalist setup or need a portable powerhouse, the K12 is a compelling new entry in the high-performance mini PC market.

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