Live DB — analyst tables
Test
Neoclouds/AI Lab/SovAI 18432 VR300 CPX CX-10 Neocloud Giant Infiniband Cluster Configuration

OTHER-RubinUltra CPX-IB-4R

Neoclouds/AI Lab/SovAI · VR300 CPX · CX-10

Rack type
—
Cluster / location
Default VR300 CPX
Buyer profile
Emerging Neocloud
Networking type
Infiniband
Number of XPUs
18,432
NIC used
CX-10
NICs / XPU
1
Scale-out BW / XPU
1.6T
XPU / server
144

Scale-up network

Assigned blockDefault
VR300 CPX
Scale-UpXPU: VR300 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 LayerPart / Model
Units#
Unit BWGbit/s uni-d
Lane Count#
Lane BWGbit/s uni-d
XPUs per Node·8···
Scale-Up World Size·1440··

Switches

1
SW
Scale-Up Network LayerPart / Model
Units#
Unit BWGbit/s uni-d
Lane Count#
Lane BWGbit/s uni-d
Scale-Up Switch Total··0··

Connections & cabling

3
CN
Scale-Up Network LayerPart / Model
Units#
BW / PortGbit/s uni-d
Unit DP#
DP / Port#
Total DPs#
BW / ConnectorCable / Model
Cable Units#
Male Connectors·······Already Counted Below·
Female Connectors·······Already Counted Below·
Switch Total
Male Connectors·······Already Counted Below·
Notes
  • Scale-Up World Size — >>18 trays of 8 CPX per rack

Scale-Up Parts Summary

0
ItemQty/ClusterQty/ServerAttach/XPU

Backend network

4 rows
Assigned blockDefault
VR300 CPX - CX10 - 3L - IB - X800-Q3400-RA - Generic
BackendXPU: VR300 CPX4 linesshared by 1 SKU

Backend Units are based on the cluster size (18,432 XPUs).

Switches

5
SW
 Network Layer
Switch and Server SpecAggregate Port UtilizationNetwork 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·18,4321,6001,600018,43218,432018,43218,432029,491.2·
NICs per NodeConnectX-10 NIC - 1.6T81,600···8······
LeafQuantum-X800-Q3400-RA (Air Cooled)512115,2001,60036367218,43218,43236,86429,491.229,491.21
SpineQuantum-X800-Q3400-RA (Air Cooled)512115,2001,60036367218,43218,43236,86429,491.229,491.21
CoreQuantum-X800-Q3400-RA (Air Cooled)256115,2001,60072·7218,432018,43229,491.20·

Transceivers

6
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 NodesNvidia LinkX 1.6T DR8 (SiPho)36,86436,8641,600820058,982.4
Leaf
DownlinkNvidia LinkX 1.6T DR8 (SiPho)18,432361,600820029,491.2
UplinkNvidia LinkX 1.6T DR8 (SiPho)18,432361,600820029,491.2
Spine
DownlinkNvidia LinkX 1.6T DR8 (SiPho)18,432361,600820029,491.2
UplinkNvidia LinkX 1.6T DR8 (SiPho)18,432361,600820029,491.2
Core
DownlinkNvidia LinkX 1.6T DR8 (SiPho)18,432721,600820029,491.2
Uplink·······
Super-Core

Cables

6
CB
 Network Layer
Cable/ FiberType
Total Units#
Units per Transceiver#
Unit BWGbit/s
Lane Count#
SerDes BWGbit/s
XPU NodesNvidia LinkX 800G DR4 Single Mode73,72828004200
Leaf
DownlinkAlready counted above·····
UplinkNvidia LinkX 800G DR4 Single Mode36,86428004200
Spine
DownlinkAlready counted above·····
UplinkNvidia LinkX 800G DR4 Single Mode36,86428004200
Core
DownlinkAlready counted above·····
Uplink······
Super-Core

Backend Parts Summary

4
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia LinkX 1.6T DR8 (SiPho)129,0241,008.007.00
Nvidia LinkX 800G DR4 Single Mode147,4561,152.008.00
ConnectX-10 NIC - 1.6T36,864288.002.00
Quantum-X800-Q3400-RA (Air Cooled)1,28010.000.07

Frontend network

No converged frontend + storage fabric data for this cluster.

Frontend Parts Summary

0
ItemQty/ClusterQty/ServerAttach/XPU

Compute Tray Networking Content

Networking components inside the compute tray — accelerators, board-to-board connectors, retimers, and their per-tray bandwidth.

Assigned blockDefault
VR300 CPX - Generic
Compute TrayXPU: VR300 CPX0 linesshared by 2 SKUs
Tray layerPart / ModelUnits per Tray
Unit BWGb/s
Lanes
Lane BWGb/s
Per switch

Compute Tray Parts Summary

0
ItemQty/ClusterQty/ServerAttach/XPU