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Default Hyperscaler 131072 Rubin Ultra NVL72 CX-9 Hyperscaler Spectrum X Cluster Configuration

HS-RU NVL72-CX9-SN6800-CPO

Default Hyperscaler · Rubin Ultra · CX-9

Rack type
NVL72
Cluster / location
Default Rubin Ultra
Buyer profile
Hyperscaler
Networking type
Spectrum X
Number of XPUs
131,072
NIC used
CX-9
NICs / XPU
4
Scale-out BW / XPU
3.2T
XPU / server
72

Scale-up network

7 rows
Assigned blockDefault
Rubin Ultra - NVL72
Scale-UpXPU: Rubin Ultra NVL727 linesshared by 11 SKUs

Scale-Up Parts Summary

7
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia NVSwitch 7.0 (NVLink 7) - 28.8T65,53636.000.50
NV Sentry HD 448Gb/s 144DP (Male)65,53636.000.50
NV Sentry HD 448Gb/s 144DP (Female)65,53636.000.50
NV Sentry HD 448Gb/s 72DP (Male)131,07272.001.00
NV Sentry HD 448Gb/s 72DP (Female)131,07272.001.00
NVL Blade Column Spine Chassis (NvLink 7)3,6412.000.03
NV 224Gb/s SkewClear EXD Gen 2 Bidi Cable9,437,1845,184.0072.00

Backend network

4 rows
Assigned blockDefault
Rubin Ultra - NVL72 - CX9 - 2L - ETH - SN6800 - Generic
BackendXPU: Rubin Ultra NVL724 linesshared by 2 SKUs

Backend Parts Summary

4
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia LinkX 800G DR4524,288288.004.00
Nvidia LinkX 800G Single Mode1,048,576576.008.00
ConnectX-9 NIC - 800G524,288288.004.00
Spectrum-6 409.6T CPO (SN6800)3,0721.690.02

Frontend network

11 rows
Assigned blockDefault
Rubin Ultra - NVL72 - SN6600 - Generic
FrontendXPU: Rubin Ultra NVL7211 linesshared by 11 SKUs

Frontend Parts Summary

11
ItemQty/ClusterQty/ServerAttach/XPU
Spectrum-6 102.4T x1600 (SN6600)1,12010.0085
Spectrum-4 25.6T (SN5400)500.0000
Spectrum-3 12.8T (SN4700)16700.0013
Spectrum-2 6.4T (SN3700)1,37010.0105
Nvidia LinkX 1.6T DR8 (SiPho)54,187300.4134
Nvidia LinkX 800G DR453,904300.4113
Nvidia LinkX 200G SR423,920130.1825
Nvidia LinkX 800G Multimode74,159410.5658
Nvidia LinkX 400G Multimode38000.0029
Nvidia LinkX 200G Multimode10,65560.0813
RJ45 Cables65,763360.5017

Compute Tray Networking Content

4 rows
Assigned blockDefault
Rubin Ultra - NVL72 - Generic
Compute TrayXPU: Rubin Ultra NVL724 linesshared by 11 SKUs

Compute Tray Parts Summary

4
ItemQty/ClusterQty/ServerAttach/XPU
NV Paladin Board to Board 32 Pin 4p8c (Male)131,07272.001.00
NV Paladin Board to Board 64 Pin 4p16c (Male)524,288288.004.00
NV Paladin Board to Board 32 Pin 4p8c (Female)131,07272.001.00
NV Paladin Board to Board 64 Pin 4p16c (Female)524,288288.004.00
2026 share
Nvidia NVSwitch 7.0 (NVLink 7) - 28.8TΣ 100%
%
NV Sentry HD 448Gb/s 144DP (Male)Σ 100%
%
NV Sentry HD 448Gb/s 144DP (Female)Σ 100%
%
NV Sentry HD 448Gb/s 72DP (Male)Σ 100%
%
NV Sentry HD 448Gb/s 72DP (Female)Σ 100%
%
NVL Blade Column Spine Chassis (NvLink 7)Σ 100%
%
NV 224Gb/s SkewClear EXD Gen 2 Bidi CableΣ 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: $258,723.00
$4,000.0065,53636.000.50$262,144,000.00$144,000.00800 W52,428,800 W28,800 WScale-Up SwitchDefault HyperscalerNvidiaDevice LevelNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$864.0065,53636.000.50$56,623,104.00$31,104.000 W0 W0 WBackplaneDefault HyperscalerNvidiaAmphenolWhite Label448GNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$432.0065,53636.000.50$28,311,552.00$15,552.000 W0 W0 WBackplaneDefault HyperscalerNvidiaAmphenolWhite Label448GNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$432.00131,07272.001.00$56,623,104.00$31,104.000 W0 W0 WBackplaneDefault HyperscalerNvidiaAmphenolWhite Label448GNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$216.00131,07272.001.00$28,311,552.00$15,552.000 W0 W0 WBackplaneDefault HyperscalerNvidiaAmphenolWhite Label448GNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$337.503,6412.000.03$1,228,800.00$675.000 W0 W0 WBackplaneDefault HyperscalerOthersOthersDevice LevelNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
$4.009,437,1845,184.0072.00$37,748,736.00$20,736.000 W0 W0 WBackplaneDefault HyperscalerNvidiaAmphenolWhite Label224GNVLinkRubin UltraScale-UpHS-RU NVL72-CX9-SN6800-CPO
Per-server cost: $1,156,138.26
$1,511.63524,288288.004.00$792,528,372.11$435,348.8417 W8,912,896 W4,896 WTransceiverDefault HyperscalerNvidiaCoherent, Eoptolink, Innolight, MellanoxWhite Label224GInfiniBandFully RetimedRubin UltraBackendHS-RU NVL72-CX9-SN6800-CPO
$450.001,048,576576.008.00$471,859,200.00$259,200.000 W0 W0 WFiberDefault HyperscalerOthersWhite LabelRubin UltraBackendHS-RU NVL72-CX9-SN6800-CPO
$1,650.00524,28816.004.00$865,075,200.00$26,400.0090 W47,185,920 W1,440 WNICDefault HyperscalerNvidiaDevice LevelRubin UltraBackendHS-RU NVL72-CX9-SN6800-CPO
$257,890.033,0721.690.02$792,238,161.92$435,189.4212,615 W38,753,621 W21,288 WSwitchDefault HyperscalerNvidiaDevice LevelEthernetCPORubin UltraBackendHS-RU NVL72-CX9-SN6800-CPO
Per-server cost: $219,188.36
$32,526.911,5730.860.01$51,177,326.94$28,112.551,344 W2,113,846 W1,161 WSwitchDefault HyperscalerNvidiaDevice LevelEthernetRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$15,000.0070.000.00$97,523.81$53.57670 W4,356 W2 WSwitchDefault HyperscalerNvidiaDevice LevelEthernetRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$21,600.002340.130.00$5,055,634.29$2,777.14630 W147,456 W81 WSwitchDefault HyperscalerNvidiaDevice LevelEthernetRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$13,273.511,9241.060.01$25,544,462.89$14,031.99250 W481,117 W264 WSwitchDefault HyperscalerNvidiaDevice LevelEthernetRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$1,723.4076,11441.810.58$131,175,333.71$72,056.7622 W1,674,510 W920 WTransceiverDefault HyperscalerNvidiaCoherent, Eoptolink, Innolight, MellanoxWhite Label224GInfiniBandFully RetimedRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$1,511.6375,71741.590.58$114,456,664.45$62,872.9217 W1,287,197 W707 WTransceiverDefault HyperscalerNvidiaCoherent, Eoptolink, Innolight, MellanoxWhite Label224GInfiniBandFully RetimedRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$325.0033,60018.460.26$10,920,066.03$5,998.575 W168,001 W92 WTransceiverDefault HyperscalerNvidiaMellanox, OthersWhite Label56GInfiniBandFully RetimedRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$525.00104,16857.220.79$54,688,426.67$30,041.250 W0 W0 WFiberDefault HyperscalerOthersWhite LabelRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$375.005330.290.00$199,923.81$109.820 W0 W0 WFiberDefault HyperscalerOthersWhite LabelRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$375.0014,9678.220.11$5,612,495.24$3,083.040 W0 W0 WFiberDefault HyperscalerOthersWhite LabelRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
$1.0092,37550.740.70$92,374.55$50.740 W0 W0 WCableDefault HyperscalerAmphenolDevice LevelRubin UltraFrontendHS-RU NVL72-CX9-SN6800-CPO
Per-server cost: $62,208.00
$64.00131,07272.001.00$8,388,608.00$4,608.000 W0 W0 WMidplaneDefault HyperscalerNvidiaAmphenolWhite Label224GNVLinkRubin UltraCompute TrayHS-RU NVL72-CX9-SN6800-CPO
$128.00524,288288.004.00$67,108,864.00$36,864.000 W0 W0 WMidplaneDefault HyperscalerNvidiaAmphenolWhite Label224GNVLinkRubin UltraCompute TrayHS-RU NVL72-CX9-SN6800-CPO
$32.00131,07272.001.00$4,194,304.00$2,304.000 W0 W0 WMidplaneDefault HyperscalerNvidiaAmphenolWhite Label224GNVLinkRubin UltraCompute TrayHS-RU NVL72-CX9-SN6800-CPO
$64.00524,288288.004.00$33,554,432.00$18,432.000 W0 W0 WMidplaneDefault HyperscalerNvidiaAmphenolWhite Label224GNVLinkRubin UltraCompute TrayHS-RU NVL72-CX9-SN6800-CPO
By fabric
Total Scale-Up$470,990,848.00$258,723.0052,428,800 W28,800 W
Total Backend$2,921,700,934.03$1,156,138.2694,852,437 W27,624 W
Total Frontend$399,020,232.39$219,188.365,876,484 W3,228 W
Total Compute Tray$113,246,208.00$62,208.000 W0 W
Grand Total Cluster Networking$3,904,958,222.42$1,696,257.62153,157,721 W59,652 W
By component
Total Transceivers$1,049,080,436.31$576,277.1012,042,604 W6,615 W
Total Switches$874,113,109.85$480,164.6741,500,397 W22,797 W
Total Fiber$532,360,045.71$292,434.110 W0 W
Total Cables$92,374.55$50.740 W0 W
Total Connectors
Total NICs$865,075,200.00$26,400.0047,185,920 W1,440 W