NVIDIA NVL72 AI Factory# NVIDIA Enterprise Reference Architecture Abstract Overview System Hardware & Components NVIDIA GB300 NVL Compute Tray Control Plane/Management Nodes NVIDIA NVLink NVIDIA NVLink Switch Tray NVIDIA GB300 NVL72 Networking Compute (Node East/West) Ethernet Networking Converged (Node North/South) Ethernet Networking Networking Hardware NVIDIA BlueField-3 B3240 DPU NVIDIA Mezzanine Network Board with ConnectX-8 NVIDIA Ethernet Interconnects NVIDIA SN5610 Switch NVIDIA SN2201 Switch Networking Physical Topologies GPU Compute (Node East/West) Network Multi-Plane Topology Approach Dual Plane Topology CPU Converged (Node North/South) Network Out-of-Band Management (Node) Network Network Logical Architecture Enterprise RA Scalable Unit (SU) Spine-Leaf Networking Out-of-Band (OOB) Management Network Optimized Use Case Architecture Details Compute (Node East/West) Fabric Table Converged (Node North/South) Fabric Table 2 Racks, 36 Trays with 144 Blackwell Ultra GPUs 4 Racks, 72 Trays with 288 Blackwell Ultra GPUs 8 Racks, 144 Trays with 576 Blackwell Ultra GPUs Software Services Summary Appendix Appendix A – Terminology Appendix B – Node Configurations Compute Trays Switches and Cables Notices Notices Notice
