GMKtecMini PC reference
GMKtec NucBox M3
GMKtec NucBox M3 combines Intel Core i5-12450H with integrated Intel UHD Graphics for office multitasking, development and media work. Gaming and GPU-accelerated applications depend on their settings and driver support; the graphics specification alone is not a measured performance result. Replaceable SO-DIMM memory gives it a path for later RAM upgrades.
- Processor
- Intel Core i5-12450H
- Graphics
- Intel UHD Graphics
- Memory
- 16 GB
- Storage
- 512 GB
Prices across stores
MiniPC.guru compares retailer listings. Purchases are completed on the retailer’s website.
| Retailer | Availability | Listed price | Last checked | Retailer website |
|---|---|---|---|---|
 | Out of stock | $419.99 | View at GMKtec |
Availability reflects the latest store check. Shipping, tax, coupons and checkout totals are not included; confirm them at the store.
Specifications
Processor, graphics and installed memory/storage describe the selected configuration. Expansion limits and connectivity describe the model; optional hardware is identified separately. References are collected in About this data below.
- Processor
- Intel Core i5-12450H
- Graphics
- Intel UHD Graphics
- Memory
- 16 GB
- Storage
- 512 GB
- Ports & displays
- USB-A: 3 × USB 3.2 Gen2 + 1 × USB 2.0; HDMI: 2 × HDMI (up to 4096 × 2160 @ 60Hz); USB-C: 1 × Type-C (DisplayPort / Data only, 5Gbps); Audio: 1 × 3.5mm CTIA Audio Jack; LAN: 1 × RJ45 2.5G Ethernet; Power: 1 × DC IN (5.5 / 2.5mm) USB-C does not support PD charging or an external GPU.
- Ethernet, Wi-Fi & Bluetooth
- Wi-Fi 6 (Realtek 8852BE, up to 1201Mbps); Bluetooth 5.2; 2.5G Ethernet LAN (Intel i225) Link rates are theoretical, not measured throughput.
- RAM & storage upgrades
- 2 × SO-DIMM Slots; Dual-Channel DDR4-3200 Memory; 16GB / 32GB configurations; Supports up to 64GB. 1 × M.2 2280 PCIe SSD slot, supports up to 2TB; 1 × M.2 2242 SATA SSD slot, supports up to 2TB
- Power supply & power limits
- Power supply / DC input rating: DC Power Adapter 20V / 5A, 100W. This is a supply rating, not measured wall-power consumption.
- Dimensions & weight
- 114 × 106 × 42.5 mm; 361 g. Dimensions follow the manufacturer order; axes are not labeled.
Performance
Same Procyon Office Productivity version, application versions and power profile.
Price history
GMKtec NucBox M3 · 16 GB RAM · 512 GB SSD
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New condition · US stores · USD · Selected configuration only. Chart prices exclude shipping and tax. Missing or failed checks leave gaps.
About this data2 references
Specs and any benchmark results come from the sources below. We haven't tested this Mini PC ourselves.
Sources
- GMKtec NucBox M3 — manufacturer specifications ↗
- Manufacturer / specification source
- Ports & displays · Reviewed Sep 15, 2026
- Ethernet, Wi-Fi & Bluetooth · Reviewed Sep 15, 2026
- RAM & storage upgrades · Reviewed Sep 15, 2026
- Power supply & power limits · Reviewed Sep 15, 2026
- Dimensions & weight · Reviewed Sep 15, 2026
- Selected configuration ↗
- Selected configuration
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