NVIDIA · Datacenter System
DGX GB300 NVL72 (72× Blackwell Ultra)
Blackwell Ultra
Prefill · prompt processing
Not benchmarked
Inference · generation speed
Not benchmarked
GPU / CPU chip
NVIDIA GB300 Blackwell Ultra / 36× NVIDIA Grace
RAM / VRAM
20,000 GB GPU total
17,000 GB system RAM
No verified model-specific throughput measurement is published here yet. Prefill and generation rates depend on the model, precision, batch size and runtime.
Hardware specifications
| Product family | DGX |
| Model / configuration | DGX GB300 NVL72 |
| Released | 2025 |
| Manufacturer | NVIDIA |
| Hardware category | Datacenter System |
| Architecture | Blackwell Ultra |
| Form factor | Liquid-cooled rack |
| CPU | 36× NVIDIA Grace |
| CPU cores | 2592 |
| Accelerator model | NVIDIA GB300 Blackwell Ultra |
| Accelerator count | 72 |
| Interconnect | NVLink 5 |
Where to buy
No verified retailer listings have been added for this hardware yet.
Retailer links do not guarantee stock or a current price.
Observed prices
No source-backed price observations recorded yet.
Historical observations retain their original currency. Prices are not converted or adjusted for regional taxes.
Memory & bandwidth
| Primary memory (comparison) | 20,000 GB GPU total |
| Memory technology | HBM3e (72 GPUs, ~20 TB total) |
| Memory per GPU | 288 GB |
| Total GPU memory | 20,000 GB |
| CPU system RAM | 17,000 GB |
| GPU / system bandwidth | 576,000 GB/s total |
System memory, aggregate GPU memory and memory available to one accelerator are separate measurements. Do not treat total multi-GPU memory as a single unified pool.
System & deployment
| Networking | ConnectX-8, Quantum-X800 / Spectrum-X |
Inference runtimes
No verified runtime compatibility records for this configuration yet.
Runtime support is not a model throughput or memory-fit benchmark.
Manufacturer quotes approximately 20 TB aggregate GPU HBM3e, 17 TB CPU RAM, and up to 576 TB/s aggregate GPU bandwidth.