GMKtec NucBox M3 Plus Mini PC Intel 12th Core TM i9-12900HK
The GMKtec NucBox M3 Plus is a compact mini PC powered by a 12th Gen Intel Core i9-12900HK processor with 14 cores and 20 threads, reaching up to 5.0GHz. It features Intel Iris Xe graphics, supports up to 64GB DDR4-3200 memory, and offers flexible storage via M.2 NVMe and SATA slots. Connectivity includes WiFi 6, 2.5GbE LAN, and triple display output through dual HDMI and USB-C. It runs Windows 11 Pro or Linux.
Full Specifications
| Model | GMKtec NucBox M3 Plus |
| Processor | 12th Gen Intel Core TM i9 Processor, 14 Cores, 20 Threads Intel 7 Process Max Turbo Frequency up to 5.0GHz 24MB Intel Smart Cache TDP 45W |
| Processor Model | Intel Core TM i9-12900HK Processor |
| Processor Package | FCBGA1744 Package, 50 x 25 mm |
| Graphics | Intel Iris Xe Graphics eligible 96 Execution Units Max Dynamic Frequency up to 1.45GHz |
| Display Support | Triple display output via Dual HDMI + USB Type-C Supports up to 4096 x 2160 resolution |
| Memory | 2 x SO-DIMM Slots DDR4-3200 Memory 16GB / 32GB configurations Supports up to 64GB |
| Storage | M.2 2280 NVMe PCIe 3.0 SSD 512GB / 1TB options |
| Storage Expansion | 1 x M.2 2280 PCIe SSD slot, supports up to 4TB 1 x M.2 2242 SATA SSD slot, supports up to 2TB |
| I/O Ports | USB-A: 3 x USB 3.2 Gen2 + 1 x USB 2.0 HDMI: 2 x HDMI (up to 4096 x 2160 @ 60Hz) USB-C: 1 x Type-C (DP1.4 / Data only, 5Gbps) Audio: 1 x 3.5mm CTIA Audio Jack LAN: 1 x RJ45 2.5G Ethernet Power: 1 x DC IN (5.5 / 2.5mm) |
| Network | Wi-Fi 6 (Realtek 8852BE, up to 1201Mbps) Bluetooth 5.2 2.5G Ethernet LAN (Intel I226-V) |
| Operating System | Windows 11 Pro / Linux Supported |
| Operating System Options | EU |
| Power | Built-in coin cell battery DC Power Adapter 20V / 5A, 100W |
| Dimensions | 114 x 106 x 42.5 mm |
| Color | Gray |
| Environmental | 0C - 50C |
| Certifications | CE, FCC, CCC, RoHS |
| Package Contents | User Manual Warranty Card Power Adapter VESA Mount Bracket HDMI Cable |
| Features | The USB Type-C port supports video output and data transfer only. It does not support PD charging or external GPU connection. |
| Overview | GMKtec NucBox M3 Plus Mini PC powered by Intel Core TM i9-12900HK processor (14 cores / 20 threads, up to 5.0GHz). Featuring Intel Iris Xe graphics, DDR4-3200 memory up to 64GB, M.2 NVMe SSD storage with additional M.2 SATA expansion, WiFi 6, 2.5GbE LAN, and triple-display support via dual HDMI and USB-C. A compact yet powerful mini desktop designed for office productivity, multitasking, business workloads, and creative applications. Ships with Windows 11 Pro support and global warranty. |
| Warranty | 1-Year Limited Warranty |
| Configurations | Barebone (No DDR & SSD & OS) | 32GB RAM +1TB SSD |
| languageSupport | 13 Languages Supported (Default English): Simplified Chinese, Traditional Chinese, English, French, Thai, Spanish, Korean, Japanese, German, Hebrew, Russian, Portuguese, Arabic |
Compare with other GMKtec devices
Comments
Bought the M3 Plus for an all-in-one office setup. This i9-12900HK is a beast — 14 cores fly through multitasking and light video work. Triple display via HDMI and USB-C works perfectly. The 2.5G LAN and Wi-Fi 6 are solid. Only gripe: USB-C doesn't charge it. But for under $350? Insane value.
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