Supermicro SuperServer SRS-GB300-NVL72
Supermicro's liquid-cooled 48U GB300 NVL72 rack: 18 x 1U compute trays, 72 B300 GPUs, and an in-rack 250 kW CDU. For AI factories that want a rack delivered integrated and tested.
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Facts
Source per value- Maker The OEM, ODM or system builder that sells the server model. Corporate names follow the vendor’s own pages.
- Supermicro 1
- GPU vendor Maker of the accelerators named in the GPU model field: NVIDIA, AMD or Intel. Blank when the vendor page names no accelerator.
- NVIDIA 1
- GPU or accelerator Accelerators the vendor page names for this model. A model that supports several options lists the option that was read, marked as one supported option.
- NVIDIA B300 (GB300 NVL72) 1
- GPUs per server GPUs Installed count or supported maximum per server, as the qualifier in the source says. Rack-scale systems show the GPUs in the whole rack (72 for an NVL72). Blank when the page gives no count.
- 72 1
- Chassis height U Rack height of the server as the vendor states it. Open Rack Units (OU) are not the same as EIA U and sit in the form factor field instead.
- 48 1
- Form factor Configuration-specific chassis or rack description where the vendor splits it by cooling or rack standard.
- Rack-scale, 48U 19-inch rack with 18 x 1U ARS-121GL-NB3 trays 1
- Cooling type Air, liquid, or air or liquid by configuration, read from the vendor’s cooling statement. Blank when the page does not state cooling.
- Liquid 1
- Cooling (vendor wording) The vendor’s cooling statement with configuration qualifiers kept.
- Direct liquid cooling with one in-rack 250 kW CDU; in-row CDU (up to 1.8 MW) and L2A sidecar CDU (up to 200 kW) options 1
- CPU support Processor families or installed processors the named model supports.
- 36 x NVIDIA Grace CPU 1
- CPU sockets sockets Processors per server.
- Not published
- CPUs per rack CPUs Total CPUs in a rack-scale configuration.
- 36 1
- Memory per GPU GB Memory on each accelerator in the cited configuration.
- 288 1
- Total GPU memory GB Vendor-stated total accelerator memory per system.
- Not published
- Max system memory TB Vendor-stated maximum host RAM, not GPU memory.
- 17 1
- Memory slots DIMMs Host memory DIMM slots.
- Not published
- GPU TDP W Thermal design power per GPU, not measured server draw.
- Not published
- System power kW Maximum power the vendor states for one system, as printed on its own page.
- Not published
- Rack power kW Power the vendor states for a full rack-scale system.
- 132 1
- Power supplies PSU ratings, quantity and redundancy where published. Rating, not draw.
- Not published
- Rack power delivery Power-shelf rating in rack-scale and rack-sled systems. Delivery capacity, not rack demand.
- 8 x 1U power shelves, each 33 kW (6 x 5.5 kW PSUs) 1
- GPU interconnect GPU fabric and published link bandwidth.
- 9 x NVLink Switch, 1.8 TB/s GPU-to-GPU bandwidth 1
- Networking Published ports, adapters and speeds.
- Up to 800 Gb/s NVIDIA Quantum-X800 InfiniBand or Spectrum-X Ethernet with ConnectX-8 SuperNICs; BlueField-3 DPUs up to 200 Gb/s in-band management 1
- Source date Publication date printed on the cited page, where the vendor prints one.
- Not published
- Warranty Base warranty or service statement the vendor publishes.
- Not published
- Operating temperature °C Supported ambient range with the vendor’s caveats.
- Not published
- Maker headquarters Headquarters or principal corporate office of the maker, not a factory location.
- San Jose, United States 2
Sources
- www.supermicro.com accessed 2026-11-11
- www.supermicro.com accessed 2026-11-11
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