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NVIDIA's ConnectX-8 SuperNIC, built for Blackwell-generation AI clusters with up to 800 Gb/s of network bandwidth per GPU. It defaults to XDR InfiniBand and can run as two 400 Gb Ethernet links. PCIe 6.0 host interface with crypto enabled.
| Family | NVIDIA ConnectX-8 SuperNIC |
|---|---|
| Ports | 1x OSFP (single cage) |
| Speed | 800 Gb/s XDR InfiniBand (default) or 2x 400 GbE |
| Host interface | PCIe 6.0 x16 |
| Crypto | Enabled |
| Form factor | PCIe HHHL |
Specifications are summarized from manufacturer and listing information; confirm against the manufacturer datasheet before purchase.
Manufacturer datasheet / product page (opens the manufacturer's website)
1x OSFP, NDR 400 Gb/s InfiniBand, PCIe 5.0 x16, HHHL
Blackwell Ultra, 270 GB HBM3e (to be confirmed at order), SXM for HGX B300 baseboards
200 Gb/s · PCIe 5.0 x16 · 1
2x 100GbE QSFP56, PCIe 4.0 x16, crypto disabled, tall bracket
