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NG-Feynman NVL1152-CX10-SN6810-4R CPO

NG-Feynman NVL1152-CX10-SN6810-4R CPO

Neocloud Giant · Feynman · CX10

Rack type
Kyber NVL1152
Cluster / location
Neocloud Giant Kyber NVL 1152 SN6810 (CPO)
Buyer profile
Neocloud Giant
Networking type
Ethernet
Number of XPUs
131,072
NIC used
CX10
NICs / XPU
4
Scale-out BW / XPU
6.4T
XPU / server
1,152

Scale-up network

8 rows
Assigned blockDefault
Feynman - Kyber NVL1152
Scale-UpXPU: Feynman Kyber NVL11528 linesshared by 11 SKUs

Scale-up Units are based on the scale-up world size (1,152 XPUs).

XPU World Size

2
WS
Scale-Up Network LayerPart / Model
Units#
Unit BWGbit/s uni-d
Port Count#
Port BWGbit/s uni-d
XPUs per Node·1,15228,800144400
Scale-Up World Size·1,15233,177,600··

Switches

4
SW
Scale-Up Network LayerPart / Model
Units#
Unit BWGbit/s uni-d
Port Count#
Port BWGbit/s uni-d
per SwitchNvidia NVSwitch 8.0 (NVLink 8)1115,200288400
Layer 1 SwitchesNvidia NVSwitch 8.0 (NVLink 8)57666,355,200288400
Layer 2 SwitchesNvidia NVSwitch 8.0 (NVLink 8)00288400
Scale-Up Switch Total·57666,355,200··

Connections & cabling

12
CN
Scale-Up Network LayerPart / Model
Units#
BW / PortGbit/s uni-d
Ports#
Bidi / Port#
Total BW#
BW / ConnectorCable / Model
Cable Units#
Optical EnginesNV 3.2T Optical Engine (OE) for NVLink Switch side CPO6,04820016·03,200NV 1.6T 8 Fiber Pair FAU0
External Laser SourceNV External Laser Source (ELS) 8 LD 6.4T for NVLink CPO Switch3,02420032·06,400··
L2 Switch Total
Male Connectors to GPUNV Sentry HD 448Gb/s 144DP (Male)1,15240072·33,177,60028,800Already Counted Below·
Female Connectors to GPUNV Sentry HD 448Gb/s 144DP (Female)1,15240072·33,177,60028,800··
Optical EnginesNV 3.2T Optical Engine (OE) for NVLink Switch side CPO020016·19,353,6003,200NV 1.6T 8 Fiber Pair FAU12,096
External Laser SourceNV External Laser Source (ELS) 8 LD 6.4T for NVLink CPO Switch020032·19,353,6006,400··
L1 Switch Total
Male ConnectorsNV Sentry HD 448Gb/s 144DP (Male)1,15240072·33,177,60028,800Uses a Midplane PCB to connect to NVSwitch Chips·
Female ConnectorsNV Sentry HD 448Gb/s 144DP (Female)1,15240072·33,177,60028,800Uses a Midplane PCB to connect to NVSwitch Chips·
XPU Total** One connector per GPU·····28,800··
·NVL Blade Column Spine Chassis (NvLink 7)16·······
·NVL Kyber Canister Midplane PCB (NvLink 7)8·······
-NV 1.6T 8 Fiber Pair FAU12,096·······

Scale-Up Parts Summary

8
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia NVSwitch 8.0 (NVLink 8)65,536576.000.50
NV 3.2T Optical Engine (OE) for NVLink Switch side CPO688,1286,048.005.25
NV 1.6T 8 Fiber Pair FAU2,752,51224,192.0021.00
NV External Laser Source (ELS) 8 LD 6.4T for NVLink CPO Switch344,0643,024.002.63
NV Sentry HD 448Gb/s 144DP (Male)262,1442,304.002.00
NV Sentry HD 448Gb/s 144DP (Female)262,1442,304.002.00
NVL Blade Column Spine Chassis (NvLink 7)1,82016.000.01
NVL Kyber Canister Midplane PCB (NvLink 7)9108.000.01

Backend network

4 rows
Assigned blockDefault
Feynman - Kyber NVL1152 - CX10 - 2L - ETH - SN6810 - Generic
BackendXPU: Feynman Kyber NVL11524 linesshared by 2 SKUs

Backend Units are based on the cluster size (131,072 XPUs).

Switches

4
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·131,0724,8004,8000131,072131,0720131,072131,0720629,145.6·
NICs per NodeConnectX-10 NIC - 1.6T121,600100··8······
LeafSpectrum-6 102.4T CPO (SN6810)12,288102,4002002562565123,145,7283,145,7286,291,456629,145.6629,145.61
SpineSpectrum-6 102.4T CPO (SN6810)6,144102,400200512·5123,145,72803,145,728629,145.60·

Transceivers

5
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 800G DR4786,432786,4328008100629,145.6
Leaf
Downlink·001,60082000
Uplink·001,60082000
Spine
Downlink·001,60082000
Uplink·······
Core
Downlink·······
Uplink·······
Super-CoreCPO is used here - so there is no need for Transceivers on Switches······

Cables

5
CB
 Network Layer
Cable/ FiberType
Total Units#
Units per Transceiver#
Unit BWGbit/s
Lane Count#
SerDes BWGbit/s
XPU NodesNvidia LinkX 800G Single Mode786,43218004200
Leaf
DownlinkAlready counted above·····
UplinkNvidia LinkX 800G Single Mode786,43278004200
Spine
DownlinkAlready counted above·····
Uplink······
Core
Downlink······
Uplink······
Super-Core······

Backend Parts Summary

4
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia LinkX 800G DR4786,4326,912.006.00
Nvidia LinkX 800G Single Mode1,572,86413,824.0012.00
ConnectX-10 NIC - 1.6T393,2163,456.003.00
Spectrum-6 102.4T CPO (SN6810)18,432162.000.14

Frontend network

11 rows
Assigned blockDefault
Feynman - Kyber NVL1152 - SN6600 - Generic
FrontendXPU: Feynman Kyber NVL115211 linesshared by 11 SKUs

Converged Frontend + Storage Fabric

11
LayerPart / ModelUnitsAttach / XPU
·Spectrum-6 102.4T x1600 (SN6600)1,5730.0120
·Spectrum-4 25.6T (SN5400)70.0000
·Spectrum-3 12.8T (SN4700)2340.0018
·Spectrum-2 6.4T (SN3700)1,9240.0147
·Nvidia LinkX 1.6T DR8 (SiPho)76,1140.5807
·Nvidia LinkX 800G DR475,7170.5777
·Nvidia LinkX 200G SR433,6000.2563
·Nvidia LinkX 800G Multimode104,1680.7947
·Nvidia LinkX 400G Multimode5330.0041
·Nvidia LinkX 200G Multimode14,9670.1142
·RJ45 Cables92,3750.7048

Frontend Parts Summary

11
ItemQty/ClusterQty/ServerAttach/XPU
Spectrum-6 102.4T x1600 (SN6600)1,120100.0085
Spectrum-4 25.6T (SN5400)500.0000
Spectrum-3 12.8T (SN4700)16710.0013
Spectrum-2 6.4T (SN3700)1,370120.0105
Nvidia LinkX 1.6T DR8 (SiPho)54,1874760.4134
Nvidia LinkX 800G DR453,9044740.4113
Nvidia LinkX 200G SR423,9202100.1825
Nvidia LinkX 800G Multimode74,1596520.5658
Nvidia LinkX 400G Multimode38030.0029
Nvidia LinkX 200G Multimode10,655940.0813
RJ45 Cables65,7635780.5017

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
Feynman - Kyber NVL1152 - Generic
Compute TrayXPU: Feynman Kyber NVL11524 linesshared by 11 SKUs
Tray layerPart / ModelUnits per Tray
Unit BWGb/s
Lanes
Lane BWGb/s
Per switch
XPUs per TrayRubin 2004····
PCIe 6.0 Connector (Male)NV Paladin Board to Board 32 Pin 4p8c (Male)2512···
PCIe 6.0 Connector (Male)NV Paladin Board to Board 64 Pin 4p16c (Male)81,024···
PCIe 6.0 Connector (Female)NV Paladin Board to Board 32 Pin 4p8c (Female)4512···
PCIe 6.0 Connector (Female)NV Paladin Board to Board 64 Pin 4p16c (Female)161,024···
PCIe 6.0 Connector (Male)NV Paladin Board to Board 32 Pin 4p8c (Male)2512···
PCIe 6.0 Connector (Male)NV Paladin Board to Board 64 Pin 4p16c (Male)81,024···
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
ItemQty/ClusterQty/ServerAttach/XPU
NV Paladin Board to Board 32 Pin 4p8c (Male)131,0721,152.001.00
NV Paladin Board to Board 64 Pin 4p16c (Male)524,2884,608.004.00
NV Paladin Board to Board 32 Pin 4p8c (Female)131,0721,152.001.00
NV Paladin Board to Board 64 Pin 4p16c (Female)524,2884,608.004.00