MGX
NVIDIA's modular server reference architecture letting partners build varied GPU systems from common building blocks.
Current numbers
~600 kWRubin Ultra Kyber rack (NVL144) on 800 VDC — GTC 2026 also defined NVL576 as an eight-rack MGX system; supply-chain reports (Apr–Jun 2026) say the package was cut to dual-die 2+2 over CoWoS-L warpage, unconfirmed by NVIDIA
1,400 ANVL72 MGX busbar current rating (deeper-profile ORV3-width bar, ~2x prior ampacity) — 1,400 A at 48 V is ~67 kW, so a ~132 kW rack needs parallel feeds