A desktop PC that drives two 4K monitors simultaneously, connects at 2.5 Gigabit Ethernet speeds, and runs on WiFi 6 does not normally cost under $260. The GMKtec Nucbox G3 Pro does all of that in a unit smaller than a hardcover book, and Amazon currently has it at $259, down from its regular $329, quietly clearing stock on one of the most connectivity-dense mini PCs available at this price.
Two 4K HDMI outputs, 2.5 Gigabit Ethernet, and a 4.1GHz i3 in something the size of a lunch box
The Intel Core i3-10110U boosts to 4.1GHz with Hyper-Threading, which outperforms the Ryzen 3 4300U and the Intel N150 on single-core tasks like web browsing, office applications, and light creative work. The 8GB of DDR4 RAM in dual-channel configuration handles everyday multitasking without slowdown, and the 256GB SSD boots Windows in seconds with a secondary M.2 2280 NVMe slot available for storage expansion without replacing the primary drive. Two HDMI 2.0 ports output to two displays simultaneously at 4K and 60Hz, which sets up a dual-monitor workspace from a unit that mounts behind a monitor on a VESA bracket and disappears entirely from the desk surface.
The Intel i226 2.5 Gigabit Ethernet runs at 2.5 times the speed of standard Gigabit networking, which matters for NAS access, large file transfers, and server use cases where network bandwidth is the bottleneck rather than the CPU. Four USB 3.2 ports at 5Gbps each handle peripherals without a hub, and WiFi 6 with Bluetooth 5.2 covers wireless connectivity for keyboards, mice, speakers, and monitors. Wake On LAN, PXE Boot, RTC Wake, and Auto Power On make the G3 Pro viable as an always-on home server, media center, or network appliance without requiring manual power management.
The upgraded cooling fan and thermal paste keep operating temperatures and noise levels manageable under sustained load, which is the detail that separates a mini PC worth living with from one that sounds like a hair dryer during video calls. Linux, Proxmox, Ubuntu, and VMware ESXi compatibility extends the use case beyond Windows for homelab enthusiasts and anyone running a firewall or virtualization setup.
This 8GB version at $259 covers everyday computing, media playback, light server use, and dual-monitor office setups without needing more headroom. At $70 off its regular price with dual 4K output and 2.5 Gigabit networking, the G3 Pro remains one of the most capable mini PCs available below $300.
GMKtec Mini PC Intel Core i3-10110U Processor (Beats 4300U/N150)
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