NVIDIA
NVIDIA GB300 NVL72 (Lenovo 48U MGX)
NVIDIA GB300 NVL72 rack-scale system built on the Lenovo 48U MGX reference rack — 72 Blackwell Ultra GPUs, factory-integrated with direct water cooling.
The Lenovo 48U MGX build of NVIDIA’s GB300 NVL72 packages 72 Grace Blackwell Ultra GPUs and 36 Grace CPUs into a factory-integrated, direct-water-cooled rack at a 1:2 CPU:GPU pairing. Built for rack-scale AI training and inference. New. Configuration and availability confirmed at quote.
Specifications
| GPU architecture | NVIDIA GB300 (Grace Blackwell Ultra) |
|---|---|
| GPUs per rack | 72× GB300 (18 compute trays, 4 GPUs per tray) |
| GPU memory | 288 GB HBM3e per GPU (≈20.7 TB per rack) |
| CPU | 36× NVIDIA Grace (2 per tray) · 1:2 CPU:GPU pairing |
| NVLink fabric | 5th-gen NVLink · 130 TB/s all-to-all in-rack · 9× NVLink Switch Trays |
| Scale-out networking | 72× ConnectX-8 NICs · 800 Gb/s per GPU · Quantum-X800 InfiniBand / Spectrum-X |
| Form factor | 48U liquid-cooled MGX rack, factory-integrated |
| Cooling | Direct Water Cooling (DWC), rack + per-tray |
| Condition | New |
| Warranty | 3-yr Lenovo Premier Next Business Day |
Specifications shown are headline figures. Confirm full configuration details when you request a quote.
Last updated
Request a quote for NVIDIA GB300 NVL72 (Lenovo 48U MGX)
Tell us your requirements and we'll get back to you with availability and pricing.
or reach us directly at