GMKtec NucBox M3 Ultra Mini PC Intel 12th Core i7 12700H

The GMKtec NucBox M3 Ultra is a compact mini PC powered by a 12th Gen Intel Core i7-12700H processor with 14 cores and Intel Iris Xe graphics. It supports up to 64GB of memory, dual M.2 SSD storage, and triple displays via two HDMI and one USB-C. Connectivity includes WiFi 6, 2.5GbE LAN, and multiple USB ports. It runs Windows 11 Pro.

Full Specifications

Model	GMKtec NucBox M3 Ultra
Processor	12th Gen Intel Core TM i7 Processor, 14 Cores, 20 Threads, Intel 7 process, Max Turbo Frequency up to 4.7GHz, 24MB Cache, TDP 45W
Processor Model	Intel Core TM i7-12700H Processor
Processor Package	FCBGA1744 Package, 50 x 25 mm
Graphics	Intel Iris Xe Graphics eligible, 96 Execution Units, up to 1.4GHz
Display Support	Triple display output via 2 x HDMI + 1 x USB-C, supports up to 8K resolution
Memory	2 x SO-DIMM Slots, 16GB / 32GB configurations, Supports up to 64GB
Storage	M.2 2280 NVMe SSD, 512GB / 1TB options
Storage Expansion	1 x M.2 2280 SSD slot, supports up to 8TB 1 x M.2 2242 SSD slot, supports SATA / PCIe x4, up to 8TB
I/O Ports	USB-A: 3 x USB 3.2 Gen2 (10Gbps) + 1 x USB 2.0 USB-C: 1 x Type-C (DisplayPort / Data) HDMI: 2 x HDMI (up to 4K@60Hz) Audio: 1 x 3.5mm CTIA Audio Jack LAN: 1 x RJ45 2.5G Ethernet
Network	Wi-Fi 6 (Realtek 8852BE, up to 1201 Mbps) Bluetooth 5.2 2.5G Ethernet LAN (Intel i226)
Operating System	Windows 11 Pro
Operating System Options	US, EU, UK, AU
Power	Built-in coin cell battery DC Power Adapter 20V / 5A, 100W
Power Options	US, EU, UK, AU
Dimensions	114 x 106 x 42.5 mm
Weight	430 g
Color	Gray Black
Environmental	0C to 40C
Certifications	CCC, CE, FCC, RoHS, MIC, CEC, China Energy Label, UL Report
Package Contents	User Manual Warranty Card Power Adapter HDMI Cable VESA Mount Bracket
Overview	GMKtec NucBox M3 Ultra Mini PC powered by the 12th Gen Intel Core TM i7-12700H processor (14 cores / 20 threads, up to 4.7GHz) with Intel Iris Xe graphics. Supports up to 64GB DDR4 memory and dual M.2 SSD expansion for high-capacity storage. Equipped with WiFi 6, 2.5GbE LAN, multiple USB 3.2 ports, and triple display output via dual HDMI and USB-C. A compact yet powerful mini desktop designed for productivity, multitasking, creative work, and everyday computing.
Warranty	1-Year Limited Warranty
Configurations	Barebone (No DDR & SSD & OS) \| 16GB RAM+512GB SSD \| 16GB RAM+1TB SSD \| 32GB RAM+1TB SSD
languageSupport	14 Languages Supported (Default English): Simplified Chinese, Traditional Chinese, French, Dutch, Italian, Spanish, Korean, Japanese, German, Hebrew, Russian, Portuguese, Arabic

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Comments

Picked up the M3 Ultra for my home office—honestly, it’s a beast for the size. The i7-12700H rips through multitasking, and having triple display support is clutch. Boots Windows 11 Pro in seconds. Only gripe: the fan can get a little loud under load. But for under $400, this little box packs serious punch.