---
product_id: 749502702
title: "GMKtec K12 Gaming Mini PC Oculink AMD Ryzen 7 H 255 (Upgraded 8745HS) 32GB DDR5 RAM 512GB SSD, Desktop Computer Radeon 780M Graphics, 3X M.2 2280 Storage Expansion, Dual NIC 2.5G, HDMI 2.1, USB4"
brand: "gmktec"
price: "₨28666"
currency: SCR
in_stock: true
url: https://www.desertcart.sc/products/749502702-gmktec-k12-gaming-mini-pc-oculink-amd-ryzen-7-h
store_origin: SC
region: Seychelles
---

# 4.9 GHz Ryzen 7 H 255 CPU 32GB DDR5 5600MHz RAM Quad 4K/8K Display Support GMKtec K12 Gaming Mini PC Oculink AMD Ryzen 7 H 255 (Upgraded 8745HS) 32GB DDR5 RAM 512GB SSD, Desktop Computer Radeon 780M Graphics, 3X M.2 2280 Storage Expansion, Dual NIC 2.5G, HDMI 2.1, USB4

**Brand:** gmktec
**Price:** ₨28666
**Availability:** ✅ In Stock

## Summary

> 🔥 Compact Powerhouse, Infinite Possibilities 🖥️

## Quick Answers

- **What is this?** GMKtec K12 Gaming Mini PC Oculink AMD Ryzen 7 H 255 (Upgraded 8745HS) 32GB DDR5 RAM 512GB SSD, Desktop Computer Radeon 780M Graphics, 3X M.2 2280 Storage Expansion, Dual NIC 2.5G, HDMI 2.1, USB4 by gmktec
- **How much does it cost?** ₨28666 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/749502702-gmktec-k12-gaming-mini-pc-oculink-amd-ryzen-7-h)

## Best For

- gmktec enthusiasts

## Why This Product

- Trusted gmktec brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Powerhouse Ryzen 7 H 255:** 8 cores, 16 threads, up to 4.9 GHz turbo for seamless multitasking and gaming dominance.
- • **Massive Storage Expansion:** 512GB PCIe 4.0 SSD plus 3x M.2 slots supporting up to 24TB total—future-proof your data needs effortlessly.
- • **Blazing-Fast DDR5 5600MHz RAM:** 32GB dual-channel memory ensures ultra-smooth gameplay, lightning-fast editing, and AI workloads without a hitch.
- • **Next-Level Graphics & Display:** Radeon 780M iGPU drives up to 4 simultaneous 4K/8K displays with HDMI 2.1 & DisplayPort 1.4 for immersive visuals.
- • **Ultimate Connectivity & Cooling:** Dual 2.5GbE NIC, WiFi 6E, USB4, plus dual RGB-lit cooling fans keep your rig cool, connected, and stylish under pressure.

## Overview

The GMKtec K12 Gaming Mini PC packs an AMD Ryzen 7 H 255 CPU with 8 cores and 16 threads running up to 4.9 GHz, paired with 32GB of ultra-fast DDR5 5600MHz RAM and a 512GB PCIe 4.0 SSD. Its Radeon 780M integrated graphics support up to four 4K/8K displays simultaneously via HDMI 2.1, DisplayPort 1.4, and USB4. With triple M.2 expansion slots (up to 24TB total), dual 2.5GbE NICs, WiFi 6E, Bluetooth 5.2, and advanced Oculink port for high bandwidth, this mini PC delivers powerful multitasking, gaming, and content creation in a sleek, quiet, and highly upgradeable form factor.

## Description

1 Year War~ranty, 24Hr Support.
Amazing discounts for Business Buyers.
Follow our brand for deals and updates.
Shenzhen GMK Technology Co., Ltd is a high-tech enterprise integrating scientific research, development, production and sales of Mini PC and Computer Accessories.
Our company was established on June 6, 2019 and our core team is composed of engineers with 20 years of experience in consumer electronics. It was our shared dream that brought us together as GMKtec.
GMKtec manufactures professional Mini PC computers.
GEEK | We aim to provide the ultimate product experience for users around the world.
MODERN | We aim to provide users with cutting-edge technology products.
(K) Creative | We always adhere to the innovative spirit of keeping pace with the times.
The GMKtec mini PCs are widely used at office, home theater and bussiness. All computers support customer customization.
Due to global market constraints, DDR4/DDR5 RAM and SSD storage prices are on the rise. If you have been planning a PC build or storage expansion, now is the time to buy. Current inventory is still available at existing rates, but forecasts indicate costs will continue climbing. Don't wait until it costs more—lock in your savings today and upgrade with confidence.
Equipped with the latest AMD Ryzen & Intel Processories.  Built-in GPU for smooth framerate and gameplay.
Witness the raw power of the GMKtec K12 mini PC! This video tests its
in Baldur’s Gate 3 and Borderlands 3. See how its integrated 780M iGPU performs as a standalone system, and then
.

## Features

- RYZEN 7 H 255 CPU - The Ryzen 7 H 255 is a chip from the Hawk Point family and is an upgraded version of the older Ryzen 7 8745H and has 8 cores (16 threads thanks to SMT support) that run at up to 4.9 GHz, together with the powerful Radeon 780M iGPU. Unlike Zen 3, Zen 4 offers AVX512 support along with other improvements such as larger caches/registers/buffers across the board.
- GAMING PC - The Radeon 780M (12 CUs / 768 shaders, up to 2,600 MHz) can drive multiple displays simultaneously with a resolution of up to 8K. Hardware encoding and hardware decoding of the most common video codecs (AV1, AVC, HEVC) is also no problem; playing the latest games on FSR settings without issues.
- WHY CHOOSE DDR5 5600MHz DUAL CHANNEL (2×16GB): With a 5600MHz clock—a 17% frequency uplift over 4800MHz—this kit delivers massive bandwidth gains that elevate real-world performance. Gamers enjoy higher minimum FPS and less stutter in open-world and sim titles for a smoother competitive experience. Video editors and 3D creators benefit from faster 4K/8K timeline scrubbing, quicker renders in DaVinci Resolve and Premiere, and swifter asset loading. For AI/LLM workloads, the superior throughput reduces I/O bottlenecks, cuts token generation latency, and accelerates model fine-tuning by keeping processing cores fed with data—so you wait less and create more.
- 32GB DDR5 RAM + 512GB SSD - The K12 mini computer is equipped with Dual 16GB (Total 32GB) SO-DIMM DDR5 5600MHz memory sticks. 512GB PCIE 4.0 SSD Drive with 3x M.2 2280 Expansion slots. Each slot capable of reading up to 8TB. (24TB MAX)
- QUAD SCREEN 4K DISPLAY SUPPORT - K12 Mini PC support 4-screen 4K/8K output via HDMI 2.1 (8K@60Hz), DisplayPort 1.4 (4K@60Hz), and USB Type-C Transfer speed (supporting PD3.0/DP1.4/DATA). Ideal for gaming, video editing, and multitasking, it provides expansive and crisp multi-display support.
- OCULINK PORT - The Oculink port on the rear interface enables higher bandwidth capabilities, better frame rates and lower lag. The standard also operates at PCIe x4 speeds, compared to Thunderbolt's x3. Gamers and content creators can benefit from Oculink's higher bandwidth, resulting in better performance and lower lag for eGPU setups
- DUAL NIC FAST 2.5GBE + WIFI 6E + BT 5.2 - Dual Ethernet 2.5GbE LAN port design provides more applications, such as firewall, multichannel aggregation, soft routing, file storage server. Built-in WIFI 6E / Bluetooth 5.2 is more stable and efficient to connect multiple wireless devices such as projector, printer, monitor, speakers and etc.
- DUAL COOLING FANS WITH LIGHTING - Turbo CPU fan + a massive DDR5/SSD cooling fan deliver silent, ultra-efficient cooling (just 35dB in Quiet Mode!), while the advanced heatpipes and 360° airflow keeps your Ryzen Mini PC frosty under heavy loads. Plus, 13 dazzling RGB lighting modes let you personalize your rig’s vibe.
- GMKTEC WARRANTY - GMKtec offers a 3-year limited warranty (1 year replacement + 2 years parts replacement) for each mini PC, starting from the date of the purchase effective on all sales starting Oct. 2026. All defects due to design and workmanship are covered. With a professional after sales team always ready to attend to your needs, you can simply relax and enjoy your mini PC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Additional Features | Dual Large Cooling Quiet Fans with RGB Lighting. (Able to turn off the lighting with Fan Mode button)., Dual NIC 2.5GbE Ethernet, Dual 3.5mm CTIA Ports (Front and Rear), GAMING PC using AMD Radeon 780M iGPU, Oculink Port (Rear Port), HDMI 2.1, DP Quad Display 4K/8K Video Ports, Triple M.2 2280 Slot Expansion. Each Slot 8TB Max. (Total 24TB) |
| Asin | B0FK2BLV7J |
| Aspect Ratio | 16:9 |
| Best Sellers Rank | #1,402 in Computers & Accessories (See Top 100 in Computers & Accessories) #41 in Mini Computers |
| Brand | GMKtec |
| Built In Media | GMKtec Nucbox K12 AMD Ryzen 7 H 255 Mini PC Computer, HDMI Cable, Power Supply & Cable, User Manual, VESA Mount with Screws |
| Cache Memory Installed Size | 32 GB |
| Color | Gunmetal(K12) |
| Compatible Devices | Headphone, Keyboard, Monitor, Mouse, Television |
| Connectivity Technology | Bluetooth, Ethernet, HDMI, USB, Wi-Fi |
| Cooling Method | Air |
| Cpu Model Number | AMD Ryzen 7 H 255 |
| Customer Reviews | 4.4 4.4 out of 5 stars (1,028) 4.4 out of 5 stars |
| Display Resolution Maximum | 4096x2160 pixels |
| Display Type | External Display |
| Graphics Card Interface | Integrated |
| Graphics Card Ram | 32 GB |
| Graphics Coprocessor | AMD Radeon 780M 2600 MHz |
| Graphics Description | Integrated |
| Graphics Ram Type | VRAM |
| Hard Disk Description | PCIe 4.0 M.2 2280 SSD Triple Slots Max.24TB |
| Hard Disk Interface | PCIE x 16 |
| Hardware Interface | 3.5mm Audio, 802.11 ac/b/g/n, Bluetooth 5, Ethernet, HDMI, PCIE x 16, USB Type C |
| Human Interface Input | Buttons, Keyboard, Microphone, Mouse |
| Item Dimensions | 7 x 7 x 5 inches |
| Keyboard Layout | QWERTY |
| Manufacturer | Shenzhenshi Jimokekejiyouxiangongsi |
| Memory Clock Speed | 5600 MHz |
| Memory Speed | 5600 mt_s |
| Memory Storage Capacity | 32 GB |
| Model Name | K12 |
| Model Number | K12 |
| Model Year | 2025 |
| Native Resolution | 7680×4320 |
| Number Of Component Outputs | 4 |
| Operating System | Windows 11 Pro |
| Personal Computer Design Type | Mini PC |
| Power Consumption | 54 watts |
| Power Plug Type | Type B - 3 pin (North American) |
| Processor Brand | AMD |
| Processor Count | 8 |
| Processor Series | AMD Ryzen 7 |
| Processor Socket | TSMC 4nm FinFET |
| Processor Speed | 4.9 GHz |
| Ram Memory Installed | 32 GB |
| Ram Memory Maximum Size | 96 GB |
| Ram Memory Technology | DDR5 5600MT/S |
| Ram Type | DDR5 RAM |
| Resolution | 7680×4320 |
| Screen Size | 75 |
| Specific Uses For Product | Everyday Use, Gaming, Video Editing |
| Style Name | R7 H255 |
| Total Expansion Slots Quantity | 2 |
| Total Number Of Hdmi Ports | 1 |
| Total Usb Ports | 6 |
| Unit Count | 1 Count |
| Video Output | HDMI 2.1, DisplayPort 1.4, USB4 |
| Video Output Interface | DisplayPort, HDMI, Type-C, USB4 |
| Video Processor | AMD |
| Warranty Description | 3-Year Limited Warranty (1 Year Replacement + 2 Years Parts Replacement) |
| Wireless Compability | 2.4 GHz Radio Frequency, 5 GHz Radio Frequency, 5.8 GHz Radio Frequency, 802.11ax, Bluetooth |
| Wireless Network Technology | Bluetooth, Wi-Fi |
| Wireless Technology | Bluetooth, Wi-Fi |

## Product Details

- **Brand:** GMKtec
- **CPU Model:** AMD Ryzen 7
- **CPU Speed:** 4.9 GHz
- **Cache Size:** 32 GB
- **Graphics Card Description:** Integrated
- **Graphics Coprocessor:** AMD Radeon 780M 2600 MHz
- **Memory Storage Capacity:** 32 GB
- **Operating System:** Windows 11 Pro
- **Personal computer design type:** Mini PC
- **Specific Uses For Product:** Everyday Use, Gaming, Video Editing

## Images

![GMKtec K12 Gaming Mini PC Oculink AMD Ryzen 7 H 255 (Upgraded 8745HS) 32GB DDR5 RAM 512GB SSD, Desktop Computer Radeon 780M Graphics, 3X M.2 2280 Storage Expansion, Dual NIC 2.5G, HDMI 2.1, USB4 - Image 1](https://m.media-amazon.com/images/I/71cnAQ+wfbL.jpg)

## Available Options

This product comes in different **Size** options.

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*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-10-18*