NVIDIA Spectrum-3 SN4700 400GbE switch, 32× QSFP-DD 400Gb/s ports, 12.8Tb/s switching capacity, wire-speed L2/L3, RoCE v2, fully shared 42MB packet buffer. For AI/ML leaf-spine fabrics and GPU cluster top-of-rack.
12.8Tb/s
32× 400GbE QSFP-DD
~300ns cut-through
42MB fully shared
8.4 Bpps
L2/L3, RoCE v2, VXLAN
WJH (What Just Happened)
1U
~450W
Cumulus Linux / SONiC
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