Specs & Power Consumption: HP EliteDesk 800 G4 Mini (i5-8500T)

Partially verified data Intel Core i5-8500T

HP EliteDesk 800 G4 Mini (i5-8500T): estimated 12W idle and 45W under load, 1x 1GbE, up to 32 GB RAM. VESA mount behind your monitor.

Technical specifications

Idle [source]12 W

Under load estimate45 W

Estimated 24/7 average18.6 W

Yearly cost (€0.25/kWh)40.73 €

Average based on 80% of the time at idle and 20% under load, running 24/7: 163 kWh/year. Adjust the inputs to match your usage:

Energy: 163 kWh/year · Cost: 40.73 €/year (3.39 €/month)

Footprint 177 × 175 mm, 34 mm tall (about 1.05 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.

Active cooling: nearly silent at idle, the fan is audible under sustained load.
Clean dust from the vents every 6-12 months to keep temperatures and power draw low.

See the current price and available configurations for HP EliteDesk 800 G4 Mini (i5-8500T).

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Idle power: 12 W — servethehome.com (measured review, checked on 2026-06-02)
Dimensions: 177 × 175 × 34 mm — servethehome.com (measured review, checked on 2026-11-06)
VESA support: Yes — h20195.www2.hp.com (official source, checked on 2026-11-06)

Estimated from the CPU class and measurements of similar models: load power, max RAM, network ports. Always check the manufacturer's spec sheet.

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