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Guide › Glossary › Kyber

Kyber

NVIDIA's rack-scale platform for the Rubin Ultra generation, scaling NVLink domains to hundreds of GPUs.

Also written as: NVL144 · NVL576 · NVL1152

Current numbers

~600 kWper Rubin Ultra Kyber-class rack: roadmap, announced and not shipping; do not budget it as a shipping figureas of H2 2027 roadmap (GTC 2025); 2028 reported July 2026 · register ↗
132 kW HPE GB200 rack TDP → GB300 135 kW rack TDP / 155 kW peak / up to 142 kW facility basis → VR200 188 kW Max Q / 228 kW Max P / 330 kW facility basis → ~600 kW Rubin Ultra / Kyber roadmapRack power: legacy → GB200 NVL72 (~132 kW) → Rubin Ultra Kyber (~600 kW roadmap; NVIDIA H2 2027 target, reported 2028)as of 2026-08 · register ↗
~40 → 600 kWKyber ~600 kW (NVIDIA H2 2027, SemiAnalysis 2028), up from ~132 kW (HPE GB200 NVL72) and ~40 kW (DGX H100)as of 2026-08 · register ↗

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