One AI rack now draws as much power as a neighborhood
Every watt that enters a rack leaves it as heat. Watch where it goes, then see which NVIDIA, AMD and Intel accelerators a facility can power and cool.
Power in132 kW
Heat out132 kWAll of it. Computing stores no energy.
Coolant130 L/min
Same draw as107 homesAverage US households, running at once.
Since you opened this page, this rack has turned 0.000 kWh into heat and pushed 0 liters of coolant through its cold plates.
What the research found
132 → 192 kWNominal rack power understates what you must build forHPE rates the GB300 NVL72 at 132 kW nominal and about 155 kW peak, and advises sizing busways for 192 kW.
up to 240 kWThe newest racks are liquid-onlyVera Rubin NVL72 has no air-cooled version and takes coolant at 45 °C, warmer than a hot tub.
600 W, airThere is still a path for ordinary air-cooled roomsAMD's MI350P and NVIDIA's RTX PRO 6000 are PCIe cards that fit standard servers.
over 2x apartPublished prices conflictNo vendor publishes a price list. Quotes for a B300 system range from $300,000 to $786,000.
Where to go next
Fit guideSet a rack power budget and cooling type; see which of 20 accelerators fit, with sources.
CoolingAir, liquid, or either: what each product needs in airflow, coolant temperature, flow and cooling units.
Cost estimatorBuild and running cost for an AI or conventional data center, with about 30 adjustable inputs.
VendorsNVIDIA, AMD and Intel lineups side by side, with links to their own documentation.
MethodsThe physics behind the animation, how sources are graded, and the full reference list.
Figures come from public vendor, server-maker and press sources, last checked on October 7, 2026. How the numbers were sourced