A Mac Mini with 16GB of RAM and 512GB of storage starts at $799. The GMKtec mini PC (NucBox G3 PRO) puts 16GB of DDR4 in dual channel, 512GB of SSD storage, Wi-Fi 6, 2.5GbE Ethernet, and dual 4K HDMI outputs in a box smaller than a paperback book, and Amazon just quietly dropped it to $319, off its $459 list price and at its record low. Half the price, twice the storage, and no Apple tax. This is a Prime Day deal for Prime members and the 30-day no-card trial gets you in if membership is not already active.
What you actually get for the money
The Core i3-10110U runs at up to 4.1GHz boost with Hyper-Threading, which GMKtec points out outperforms the Ryzen 3 4300U and Intel N150 series in single-core workloads. For the tasks that define daily desktop use, including browser-based work with multiple tabs, office apps, video calls, streaming, and light multitasking, single-core performance is the spec that determines how responsive the system feels moment to moment. The 16GB DDR4 in dual channel adds meaningful bandwidth over single-channel configurations at the same capacity, and the 512GB M.2 SSD boots Windows 11 Pro in seconds rather than the extended startup times that define entry-level desktop hardware. A secondary M.2 2242 SATA slot adds expansion storage without replacing the primary drive.
Dual 4K HDMI, Wi-Fi 6, 2.5GbE, four USB 3.2 ports
Two HDMI 2.0 ports drive dual 4K displays at 60Hz simultaneously, which is the dual-monitor setup that productivity workers, traders, and anyone running multiple applications benefit from without a separate GPU. Four USB 3.2 ports at 5Gbps cover peripherals and external storage without a hub, and the 2.5GbE Ethernet via an Intel i226 controller delivers 2.5 times the throughput of standard Gigabit for anyone running a 2.5G network or NAS. Wi-Fi 6 handles wireless at up to 600Mbps for anyone who cannot run a cable. Linux, Proxmox, and VMware compatibility makes the G3 PRO a capable home server or firewall appliance beyond its standard desktop role.
The upgraded cooling fan and thermal paste address the heat management issues that earlier GMKtec generations faced under sustained load, keeping the Core i3 from throttling during extended work sessions. Wake on LAN, PXE Boot, RTC Wake, and Auto Power On cover the remote management and automation scenarios that make mini PCs useful beyond standard desktop deployments. Windows 11 Pro ships preinstalled.
The Mac Mini comparison is the most useful frame for this purchase. At $319 against the Mac Mini’s $799 entry point, the G3 PRO covers browsing, documents, spreadsheets, video calls, streaming, and light creative work at a fraction of the cost. It does not run macOS, and it does not have Apple Silicon’s efficiency or performance ceiling. For the 90% of desktop users whose workload fits comfortably within those parameters, the $480 price gap is difficult to justify on ecosystem preference alone.