Specs & Power Consumption: GMKtec NucBox G5

Partially verified data Intel N97

GMKtec NucBox G5 (N97): estimated 5W idle and 18W under load, 1x 1GbE, up to 12 GB RAM. VESA mount behind your monitor.

Technical specifications

Idle unverified*5 W

Under load unverified*18 W

Estimated 24/7 average7.6 W

Yearly cost (€0.25/kWh)16.64 €

Average based on 80% of the time at idle and 20% under load, running 24/7: 67 kWh/year. Adjust the inputs to match your usage:

Energy: 67 kWh/year · Cost: 16.64 €/year (1.39 €/month)

Footprint 72 × 72 mm, 44 mm tall (about 0.23 litres).
Supports VESA mounting (75/100 mm bracket): attach it behind your monitor or under the desk to free up space. Keep the front USB ports and power button reachable.
When VESA-mounted, keep the vents clear: leave at least 1-2 cm between the case and the monitor.

Clean dust from the vents every 6-12 months to keep temperatures and power draw low.

Always-on Home Assistant: at about 5 W idle it is cheap to run 24/7.
Proxmox or Docker for a few light services (Pi-hole, Home Assistant, Jellyfin without heavy transcoding).
Office work, browsing, 4K streaming and a home-office workstation.

See the current price and available configurations for GMKtec NucBox G5.

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Dimensions: 72 × 72 × 44 mm — notebookcheck.net (measured review, checked on 2026-11-06)
Network ports: 1x 1GbE — notebookcheck.net (measured review, checked on 2026-11-06)

Unverified values*: idle power, load power, VESA support, max RAM.

* Value not verified by a reliable source: collected with an AI assistant and not yet confirmed by an official spec sheet or a measurement.

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