If you are building a home server, a firewall, or a network-attached storage device, finding a compact PC with dual Ethernet ports can be a game changer. The flexibility to separate your internal network from the internet or to set up a dedicated link for virtualization is invaluable. In this guide, we review the top contender for 2026: the GMKtec G3S Mini PC. Whether you are a sysadmin, a tech enthusiast, or someone who wants a reliable mini PC for dual-network tasks, this article will help you decide. For a cleaner workspace, you might also appreciate our top picks for microfiber cleaning cloths to keep your desk spotless.

Buying Guide: What to Look for in a Mini PC with Dual Ethernet

Processor Performance

The heart of any mini PC is its processor. For dual Ethernet workloads, you need a CPU that can handle routing, VPN encryption, and multiple virtual machines without breaking a sweat. The Intel N95 in the G3S offers a surprising 36% performance boost over older N-series chips, making it excellent for lightweight server tasks. It handles 4K transcoding and multitasking with ease, all while staying cool and quiet.

Memory and Storage

Dual Ethernet setups often run software that demands quick access to data. The GMKtec G3S comes with 8GB of DDR4 RAM and a 256GB M.2 SSD, which is adequate for most home server and firewall applications. The SSD boots the system in seconds and allows fast file transfers. If you need more space, the M.2 slot is upgradeable, so you can expand later.

Connectivity and Ports

Beyond the dual Ethernet ports, look for USB 3.2, HDMI 2.0, and audio jacks. The G3S includes two HDMI ports that support 4K at 60Hz, which is great for dual-monitor setups. It also has WiFi 5 and Bluetooth 5.0 for wireless peripherals. The dual Ethernet ports are the star here, allowing you to segregate traffic or set up a direct connection to a modem while keeping your LAN separate.

Build Quality and Cooling

A mini PC that runs 24/7 needs solid thermal management. The GMKtec G3S features a compact metal chassis with efficient cooling vents. It supports Wake on LAN, PXE Boot, and auto power on after power loss, making it ideal for unattended server use. The unit is small enough to mount behind a monitor or tuck into a network rack. To keep your entire setup clean, consider using a quality grout cleaning brush for deeper cleaning tasks around your desk.

Final Thoughts

After evaluating the key features and performance, the GMKtec G3S Mini PC Computers Intel N95 Processor stands out as the best mini PC with dual Ethernet for 2026. Its combination of a capable Intel N95 processor, ample RAM and storage, and two gigabit Ethernet ports makes it a versatile choice for home lab enthusiasts, small office setups, and anyone needing a reliable network appliance. While we only reviewed one product in this category, the G3S delivers everything you need without breaking the bank. If you are looking for a compact, dual-Ethernet machine, this is the one to get.

Frequently Asked Questions

Can I use the GMKtec G3S as a pfSense firewall?

Yes, the dual Ethernet ports make it a great candidate for running pfSense, OPNsense, or other firewall software. The Intel N95 processor provides sufficient power for routing and basic VPN tasks. Just ensure you have enough RAM (8GB is fine for most home networks).

Does this mini PC support 4K video output through both HDMI ports simultaneously?

Absolutely. The G3S can drive two 4K displays at 60Hz at the same time. This is useful for digital signage, monitoring dashboards, or a dual-monitor workstation. The integrated Intel graphics handle video playback smoothly.

What operating systems are compatible with the G3S?

The G3S comes with Windows 11 pre-installed, but you can also install Linux distributions like Ubuntu, Fedora, or Proxmox for virtualization. The dual Ethernet ports are well-supported under Linux. For a more comfortable setup, you might want to keep your desk organized with the best mop for small apartments to clean the area around your workspace.

Is the storage upgradeable?

Yes, the M.2 2242 SSD is replaceable. You can upgrade to a larger capacity drive if you need more storage for server logs, media files, or virtual machines. The RAM is also replaceable, though it is soldered in some versions; check before purchasing.