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Neoclouds/AI Lab/SovAI 131072 VR200 CPX CX-9 Hyperscaler Ethernet Cluster Configuration
OTHER-VeraRubin CPX-SX6-8P-2L
Neoclouds/AI Lab/SovAI · VR200 CPX · CX-9
Rack type
—
Cluster / location
Default VR200 CPX
Buyer profile
Emerging Neocloud
Networking type
Ethernet
Number of XPUs
131,072
NIC used
CX-9
NICs / XPU
2
Scale-out BW / XPU
800G
XPU / server
144
Scale-up network
Assigned blockDefault
VR200 CPX
Scale-UpXPU: VR200 CPX0 linesshared by 2 SKUs
Scale-up Units are based on the scale-up world size (144 XPUs).
XPU World Size
2
WS| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Lane Count# | Lane BWGbit/s uni-d |
|---|---|---|---|---|---|
| XPUs per Node | · | 8 | · | · | · |
| Scale-Up World Size | · | 144 | 0 | · | · |
Switches
1
SW| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Lane Count# | Lane BWGbit/s uni-d |
|---|---|---|---|---|---|
| Scale-Up Switch Total | · | · | 0 | · | · |
Notes
- Scale-Up World Size — >>18 trays of 8 CPX per rack
Scale-Up Parts Summary
0
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|
Backend network
4 rows
Assigned blockDefault
VR200 CPX - CX9 - 2L - ETH - SN6600 - Generic
BackendXPU: VR200 CPX4 linesshared by 1 SKU
Backend Units are based on the cluster size (131,072 XPUs).
Switches
4
SW Network Layer | Switch and Server Spec | Aggregate Port Utilization | Network Bandwidth Aggregate | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SwitchPart Name / Model | Units# | Unit BWGbit/s | Port BWGbit/s | Downlink Ports / SW# | Uplink Ports / SW# | Max Ports# | Downlink Ports# | Uplink Ports# | Total Ports# | Downlink BWTbit/s | Uplink BWTbit/s | OversubRatio | |
| XPUs | · | 131,072 | 800 | 200 | 0 | 524,288 | 524,288 | 0 | 524,288 | 524,288 | 0 | 104,857.6 | · |
| NICs per Node | ConnectX-9 NIC - 800G | 16 | 800 | · | · | · | 8 | · | · | · | · | · | · |
| Leaf | Spectrum-6 102.4T x1600 (SN6600) | 2,048 | 102,400 | 200 | 256 | 256 | 512 | 524,288 | 524,288 | 1,048,576 | 104,857.6 | 104,857.6 | 1 |
| Spine | Spectrum-6 102.4T x1600 (SN6600) | 1,024 | 102,400 | 200 | 512 | · | 512 | 524,288 | 0 | 524,288 | 104,857.6 | 0 | · |
Transceivers
4
CN Network Layer | Transceiver / CablePart Name / Model | Total Units# | Units per SW/GPU# | Unit BWGbit/s | Lanes# | BW per LaneGbit/s | Agg. BWTbit/s |
|---|---|---|---|---|---|---|---|
| XPU Nodes | Generic 1.6T DR8 (SiPho) | 131,072 | 131,072 | 800 | 8 | 100 | 104,857.6 |
| Leaf | |||||||
| Downlink | Generic 1.6T DR8 (SiPho) | 65,536 | 32 | 1,600 | 8 | 200 | 104,857.6 |
| Uplink | Generic 1.6T DR8 (SiPho) | 65,536 | 32 | 1,600 | 8 | 200 | 104,857.6 |
| Spine | |||||||
| Downlink | Generic 1.6T DR8 (SiPho) | 65,536 | 64 | 1,600 | 8 | 200 | 104,857.6 |
| Uplink | · | · | · | · | · | · | · |
| Core | |||||||
| Downlink | · | · | · | · | · | · | · |
| Uplink | · | · | · | · | · | · | · |
| Super-Core | |||||||
Cables
4
CB Network Layer | Cable/ FiberType | Total Units# | Units per Transceiver# | Unit BWGbit/s | Lane Count# | SerDes BWGbit/s |
|---|---|---|---|---|---|---|
| XPU Nodes | Generic 800G DR4 Single Mode | 131,072 | 1 | 800 | 4 | 200 |
| Leaf | ||||||
| Downlink | Already counted above | · | · | · | · | · |
| Uplink | Generic 800G DR4 Single Mode | 131,072 | 2 | 800 | 4 | 200 |
| Spine | ||||||
| Downlink | Already counted above | · | · | · | · | · |
| Uplink | · | · | · | · | · | · |
| Core | ||||||
| Downlink | · | · | · | · | · | · |
| Uplink | · | · | · | · | · | · |
| Super-Core | ||||||
Backend Parts Summary
4
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 1.6T DR8 (SiPho) | 327,680 | 360.00 | 2.50 |
| Generic 800G DR4 Single Mode | 262,144 | 288.00 | 2.00 |
| ConnectX-9 NIC - 800G | 262,144 | 288.00 | 2.00 |
| Spectrum-6 102.4T x1600 (SN6600) | 3,072 | 3.38 | 0.02 |
Frontend network
11 rows
Assigned blockDefault
VR200 CPX - SN6600 - Generic - 2
FrontendXPU: VR200 CPX11 linesshared by 1 SKU
Converged Frontend + Storage Fabric
11
| Layer | Part / Model | Units | Attach / XPU |
|---|---|---|---|
| · | Spectrum-6 102.4T x1600 (SN6600) | 1,573 | 0.0120 |
| · | Spectrum-4 25.6T (SN5400) | 7 | 0.0000 |
| · | Spectrum-3 12.8T (SN4700) | 234 | 0.0018 |
| · | Spectrum-2 1GbE (SN2201) | 1,924 | 0.0147 |
| · | Generic 1.6T DR8 (SiPho) | 76,114 | 0.5807 |
| · | Generic 800G DR4 | 75,717 | 0.5777 |
| · | Generic 200G SR4 | 33,600 | 0.2563 |
| · | Generic 800G Multimode | 104,168 | 0.7947 |
| · | Generic 400G Multimode | 533 | 0.0041 |
| · | Generic 200G Multimode | 14,967 | 0.1142 |
| · | RJ45 Cables | 92,375 | 0.7048 |
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Spectrum-6 102.4T x1600 (SN6600) | 1,573 | 2 | 0.0120 |
| Spectrum-4 25.6T (SN5400) | 7 | 0 | 0.0001 |
| Spectrum-3 12.8T (SN4700) | 234 | 0 | 0.0018 |
| Spectrum-2 1GbE (SN2201) | 1,924 | 2 | 0.0147 |
| Generic 1.6T DR8 (SiPho) | 76,114 | 84 | 0.5807 |
| Generic 800G DR4 | 75,717 | 83 | 0.5777 |
| Generic 200G SR4 | 33,600 | 37 | 0.2563 |
| Generic 800G Multimode | 104,168 | 114 | 0.7947 |
| Generic 400G Multimode | 533 | 1 | 0.0041 |
| Generic 200G Multimode | 14,967 | 16 | 0.1142 |
| RJ45 Cables | 92,375 | 101 | 0.7048 |
Compute Tray Networking Content
4 rows
Networking components inside the compute tray — accelerators, board-to-board connectors, retimers, and their per-tray bandwidth.
Assigned blockDefault
VR200 CPX - Generic
Compute TrayXPU: VR200 CPX4 linesshared by 2 SKUs
| Tray layer | Part / Model | Units per Tray | Unit BWGb/s | Lanes | Lane BWGb/s | Per switch |
|---|---|---|---|---|---|---|
| XPUs per Tray | Rubin CPX | 8 | · | · | · | · |
| PCIe 6.0 Connector (Male) | NV Paladin Board to Board 32 Pin 4p8c (Male) | 2 | 512 | · | · | · |
| PCIe 6.0 Connector (Male) | NV Paladin Board to Board 64 Pin 4p16c (Male) | 8 | 1,024 | · | · | · |
| PCIe 6.0 Connector (Female) | NV Paladin Board to Board 32 Pin 4p8c (Female) | 4 | 512 | · | · | · |
| PCIe 6.0 Connector (Female) | NV Paladin Board to Board 64 Pin 4p16c (Female) | 16 | 1,024 | · | · | · |
| PCIe 6.0 Connector (Male) | NV Paladin Board to Board 32 Pin 4p8c (Male) | 2 | 512 | · | · | · |
| PCIe 6.0 Connector (Male) | NV Paladin Board to Board 64 Pin 4p16c (Male) | 8 | 1,024 | · | · | · |
Notes
- PCIe 6.0 Connector (Male) · NV Paladin Board to Board 32 Pin 4p8c (Male) — 2 pins = 1DP
- PCIe 6.0 Connector (Male) · NV Paladin Board to Board 64 Pin 4p16c (Male) — 2DP = 1Lane
Compute Tray Parts Summary
4
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| NV Paladin Board to Board 32 Pin 4p8c (Male) | 65,536 | 72.00 | 0.50 |
| NV Paladin Board to Board 64 Pin 4p16c (Male) | 262,144 | 288.00 | 2.00 |
| NV Paladin Board to Board 32 Pin 4p8c (Female) | 65,536 | 72.00 | 0.50 |
| NV Paladin Board to Board 64 Pin 4p16c (Female) | 262,144 | 288.00 | 2.00 |