Network switches · Arista
Arista 7800R3 Modular Chassis
Arista 7808R3 Modular Spine Chassis
The Arista 7800R3 Modular Chassis draws about 5,800 W in typical use (2,100 W idle, 14,400 W at most), takes 16U, weighs 272 kg and measures 447 × 711 × 897 mm (W × H × D).
| Category | Network switches |
|---|---|
| Form factor | rack |
| Rack units | 16U |
| Dimensions (W × H × D) | 447 × 711 × 897 mm |
| Weight | 272 kg |
| Power, idle | 2,100 W |
| Power, typical | 5,800 W |
| Power, maximum | 14,400 W |
| Airflow | front-to-rear |
Running 24/7 at typical draw: about 4,234 kWh a month, roughly €1,270 at €0.30/kWh or $720 at $0.17/kWh (estimated; your own load decides).
Sources
- Arista 7800R3 Series Modular Spine Switch Data Sheet · read 2026-10-14
Updated 2026-10-14. Data: DC Sim device catalog by RACKDENSITY (rack-density.com), CC BY 4.0 — license · all devices as CSV.
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