Specs & Power Consumption: Netgate 2100

Partially verified data Marvell Armada 3720

Netgate 2100 (Armada 3720): estimated 3W idle and 4W under load, 1x 1G combo + 4x 1GbE, up to 4 GB RAM. No VESA: alternative mounting tips.

Technical specifications

Idle estimate3 W

Under load estimate4 W

Estimated 24/7 average3.2 W

Yearly cost (€0.25/kWh)7.01 €

Average based on 80% of the time at idle and 20% under load, running 24/7: 28 kWh/year. Adjust the inputs to match your usage:

Energy: 28 kWh/year · Cost: 7.01 €/year (0.58 €/month)

Footprint 173 × 108 mm, 42 mm tall (about 0.78 litres).
No VESA mount: place it on a shelf or a rack tray, or use a universal strap-style mini PC holder.

Low-power ARM SoC: a passive heatsink or small fan keeps it cool even running 24/7.
Clean dust from the vents every 6-12 months to keep temperatures and power draw low.

OPNsense or pfSense firewall/router: 1x 1G combo + 4x 1GbE to split WAN, LAN and VLANs.
Always-on Home Assistant: at about 3 W idle it is cheap to run 24/7.
OpenWrt, Pi-hole, Home Assistant OS or small ultra-low-power home servers.

See the current price and available configurations for Netgate 2100.

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Dimensions: 173 × 108 × 42 mm — shop.netgate.com (official source, checked on 2026-11-06)
Max RAM: 4 GB — shop.netgate.com (official source, checked on 2026-11-06)
Network ports: 1x 1G combo + 4x 1GbE — shop.netgate.com (official source, checked on 2026-11-06)

Estimated from the CPU class and measurements of similar models: idle power, load power, VESA support. Always check the manufacturer's spec sheet.

Real-world power draw varies with OS, RAM, drives, peripherals and BIOS settings.