NVIDIA BlueField-4

BlueField-4 is a NIC that combines a ConnectX-9 (800G) NIC with an NVIDIA Grace CPU. Specifically, it has¹

• 800G Ethernet or InfiniBand
  • 200G serdes
  • 200/100/50G PAM4 and 25G NRZ
  • Splits up to 8 ways (e.g., 8x100G)
• 64-core Grace CPU (not the top-end 72-core variant)
• 16-core “programmable data path accelerator”
• 128GB LPDDR5X (not the top-end 512G variant)
• 512GB on-board SSD

It has two form factors:

1. a PCIe Gen6 x16 NIC
2. a self-hosted device

Footnotes

1. https://resources.nvidia.com/en-us-accelerated-networking-resource-library/bluefield-4-dpu-datasheet ↩