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X AI 65536 H100 CX-7 Hyperscaler Infiniband Cluster Configuration

XAI-H100-IB-8R-3L

X AI · H100 · CX-7

Rack type
NVL8
Cluster / location
Default H100 Cluster
Buyer profile
Hyperscaler
Networking type
Infiniband
Number of XPUs
65,536
NIC used
CX-7
NICs / XPU
1
Scale-out BW / XPU
400G
XPU / server
8

Scale-up network

1 rows
Assigned blockDefault
H100 - NVL8
Scale-UpXPU: H100 NVL81 lineshared by 17 SKUs

Scale-Up Parts Summary

1
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia NVSwitch 3.0 (NVLink 4)32,7684.000.50

Backend network

5 rows
Assigned blockDefault
H100 - NVL8 - CX7 - 3L - IB - QM9700 - Generic
BackendXPU: H100 NVL85 linesshared by 4 SKUs

Backend Parts Summary

5
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia LinkX 400G SR465,5368.001.00
Nvidia LinkX 400G Multimode196,60824.003.00
Nvidia LinkX 800G SR8163,84020.002.50
ConnectX-7 NIC - 400G65,5368.001.00
Quantum-2 InfiniBand (QM9700)5,1200.630.08

Frontend network

11 rows
Assigned blockDefault
H100 - NVL8 - SN5600 - Generic
FrontendXPU: H100 NVL811 linesshared by 10 SKUs

Frontend Parts Summary

11
ItemQty/ClusterQty/ServerAttach/XPU
Spectrum-4 51.2T (SN5600)78700.0120
Spectrum-3 12.8T (SN4700)300.0001
Spectrum-2 6.4T (SN3700)11700.0018
Spectrum-2 1GbE (SN2201)96200.0147
Nvidia LinkX 800G SR838,05750.5807
Nvidia LinkX 400G SR437,85950.5777
Nvidia LinkX 100G SR4 QSFP2816,80020.2563
Nvidia LinkX 800G Multimode52,08460.7947
Nvidia LinkX 400G Multimode26700.0041
Nvidia LinkX 100G Multimode7,48310.1142
RJ45 Cables46,18760.7048

Compute Tray Networking Content

1 rows
Assigned blockDefault
H100 - NVL8 - Generic
Compute TrayXPU: H100 NVL81 lineshared by 16 SKUs

Compute Tray Parts Summary

1
ItemQty/ClusterQty/ServerAttach/XPU
NVLink PCIe 5.0 x16 Retimer65,5368.001.00
2026 share
Nvidia NVSwitch 3.0 (NVLink 4)Σ 100%
%
ItemUnit CostQuantityQuantity (per Server)Quantity (per XPU)Extended Price for ClusterExtended Price per ServerPower (W) per UnitExtended Power (W) per ClusterExtended Power (W) per ServerDevice TypeHyperscalerVendorManufacturerComponentSpeedSerDes SpeedProtocolTechnologyXPUNetworkTab Name
Per-server cost: $4,800.00
$1,200.0032,7684.000.50$39,321,600.00$4,800.00407 W13,349,683 W1,630 WScale-Up SwitchX AINvidiaDevice LevelNVLinkH100Scale-UpXAI-H100-IB-8R-3L
Per-server cost: $56,104.65
$575.0065,5368.001.00$37,683,200.00$4,600.009 W589,824 W72 WTransceiverX AINvidiaCoherent, Innolight, MellanoxWhite Label112GInfiniBandFully RetimedH100BackendXAI-H100-IB-8R-3L
$375.00196,60824.003.00$73,728,000.00$9,000.000 W0 W0 WFiberX AIOthersWhite LabelH100BackendXAI-H100-IB-8R-3L
$930.23163,84020.002.50$152,409,302.30$18,604.6514 W2,293,760 W280 WTransceiverX AINvidiaCoherent, Eoptolink, Innolight, MellanoxWhite Label112GInfiniBandFully RetimedH100BackendXAI-H100-IB-8R-3L
$800.0065,5368.001.00$52,428,800.00$6,400.0050 W3,276,800 W400 WNICX AINvidiaDevice LevelH100BackendXAI-H100-IB-8R-3L
$28,000.005,1200.630.08$143,360,000.00$17,500.00747 W3,824,640 W467 WSwitchX AINvidiaDevice LevelH100BackendXAI-H100-IB-8R-3L
Per-server cost: $13,619.76
$23,000.007870.100.01$18,093,917.45$2,208.73950 W747,357 W91 WSwitchX AINvidiaDevice LevelEthernetH100FrontendXAI-H100-IB-8R-3L
$21,600.0030.000.00$70,217.15$8.57630 W2,048 W0 WSwitchX AINvidiaDevice LevelEthernetH100FrontendXAI-H100-IB-8R-3L
$13,273.511170.010.00$1,553,379.49$189.62250 W29,257 W4 WSwitchX AINvidiaDevice LevelEthernetH100FrontendXAI-H100-IB-8R-3L
$2,400.009620.120.01$2,309,363.81$281.90150 W144,335 W18 WSwitchX AINvidiaDevice LevelEthernetH100FrontendXAI-H100-IB-8R-3L
$930.2338,0574.650.58$35,401,898.85$4,321.5214 W532,799 W65 WTransceiverX AINvidiaCoherent, Eoptolink, Innolight, MellanoxWhite Label112GInfiniBandFully RetimedH100FrontendXAI-H100-IB-8R-3L
$575.0037,8594.620.58$21,768,777.14$2,657.329 W340,729 W42 WTransceiverX AINvidiaCoherent, Innolight, MellanoxWhite Label112GInfiniBandFully RetimedH100FrontendXAI-H100-IB-8R-3L
$123.7416,8002.050.26$2,078,906.51$253.773 W50,400 W6 WTransceiverX AINvidiaMellanox, OthersWhite Label28GInfiniBandFully RetimedH100FrontendXAI-H100-IB-8R-3L
$525.0052,0846.360.79$27,344,213.33$3,337.920 W0 W0 WFiberX AIOthersWhite LabelH100FrontendXAI-H100-IB-8R-3L
$375.002670.030.00$99,961.90$12.200 W0 W0 WFiberX AIOthersWhite LabelH100FrontendXAI-H100-IB-8R-3L
$375.007,4830.910.11$2,806,247.62$342.560 W0 W0 WFiberX AIOthersWhite LabelH100FrontendXAI-H100-IB-8R-3L
$1.0046,1875.640.70$46,187.28$5.640 W0 W0 WCableX AIAmphenolDevice LevelH100FrontendXAI-H100-IB-8R-3L
Per-server cost: $466.67
$58.3365,5368.001.00$3,822,933.31$466.679 W589,824 W72 WRetimerX AIAsteraAsteraL1 AbstractionH100Compute TrayXAI-H100-IB-8R-3L
By fabric
Total Scale-Up$39,321,600.00$4,800.0013,349,683 W1,630 W
Total Backend$459,609,302.30$56,104.659,985,024 W1,219 W
Total Frontend$111,573,070.54$13,619.761,846,925 W225 W
Total Compute Tray$3,822,933.31$466.67589,824 W72 W
Grand Total Cluster Networking$614,326,906.16$74,991.0825,771,457 W3,146 W
By component
Total Transceivers$249,342,084.81$30,437.273,807,512 W465 W
Total Switches$165,386,877.90$20,188.834,747,638 W580 W
Total Fiber$103,978,422.86$12,692.680 W0 W
Total Cables$46,187.28$5.640 W0 W
Total Connectors
Total NICs$52,428,800.00$6,400.003,276,800 W400 W