The Definitive Guide toAI Data Centers
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GuideGlossaryMW

MW · Megawatt

Unit of real power; in AI data centers it has become the de facto unit of compute capacity and grid demand.

Current numbers

v0.7.0OCP Diablo 400 (Mt. Diablo) sidecar-power spec; ±400/800 VDC, ~100 kW to ~1 MW racksas of March 1, 2026 · register ↗
~600 kWRubin Ultra Kyber rack (NVL144) on 800 VDC; ~4.8 MW per 8-rack SU (an NVL1152 domain)as of H2 2027 (announced) · register ↗
~10× (up to 10×)Vera Rubin NVL72 tokens/s per megawatt vs GB200 NVL72 (CoreWeave, measured on DeepSeek-R1 at matched interactivity; ratio only)as of 2026-07 · register ↗

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