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X AI 73728 GB200 NVL72 CX-7 Hyperscaler Ethernet Cluster Configuration

XAI-GB200 NVL72-CX7-SX5-3L

X AI · GB200 · CX-7

Rack type
NVL72
Cluster / location
Default Neocloud GB200 SpectrumX Cluster
Buyer profile
Hyperscaler
Networking type
Ethernet
Number of XPUs
73,728
NIC used
CX-7
NICs / XPU
1
Scale-out BW / XPU
400G
XPU / server
72

Scale-up network

8 rows
Assigned blockDefault
GB200 - NVL72
Scale-UpXPU: GB200 NVL728 linesshared by 10 SKUs

Scale-Up Parts Summary

8
ItemQty/ClusterQty/ServerAttach/XPU
Nvidia NVSwitch 5.0 (NVLink 5)18,43218.000.25
NV 2 UltraPass OverPass 144 DP 224Gb/s36,86436.000.50
NV Paladin HD2 224Gb/s 144 DP (Male)36,86436.000.50
NV Paladin HD2 224Gb/s 144 DP (Female)36,86436.000.50
NV Paladin HD2 224Gb/s 72 DP (Male)73,72872.001.00
NV Paladin HD2 224Gb/s 72 DP (Female)73,72872.001.00
NV 224Gb/s SkewClear EXD Gen 2 Cable5,308,4165,184.0072.00
NVL Spine Chassis (NvLink 5)2,0482.000.03

Backend network

5 rows
Assigned blockDefault
GB200 - NVL72 - CX7 - 3L - ETH - SN5610 - XAI
BackendXPU: GB200 NVL725 linesshared by 1 SKU

Backend Parts Summary

5
ItemQty/ClusterQty/ServerAttach/XPU
Generic 800G Y Cable AEC36,86436.000.50
Generic 800G DR8147,456144.002.00
Generic 800G Single Mode73,72872.001.00
ConnectX-7 NIC - 400G73,72872.001.00
Spectrum-4 51.2T (SN5610)3,7763.690.05

Frontend network

11 rows
Assigned blockDefault
GB200 - NVL72 - Generic BlackBox - XAI
FrontendXPU: GB200 NVL7211 linesshared by 1 SKU

Frontend Parts Summary

11
ItemQty/ClusterQty/ServerAttach/XPU
Generic BlackBox 51.2T88510.0120
Generic BlackBox 12.8T400.0001
Generic BlackBox 6.4T13200.0018
Generic BlackBox 1GbE Ethernet1,08310.0147
Generic 800G SR842,814420.5807
Generic 400G SR442,591420.5777
Generic 100G SR4 QSFP2818,900180.2563
Generic 800G Multimode58,595570.7947
Generic 400G Multimode30000.0041
Generic 100G Multimode8,41980.1142
RJ45 Cables51,961510.7048

Compute Tray Networking Content

3 rows
Assigned blockDefault
GB200 - NVL72 - Generic
Compute TrayXPU: GB200 NVL723 linesshared by 10 SKUs

Compute Tray Parts Summary

3
ItemQty/ClusterQty/ServerAttach/XPU
NV MCIO PCIe x16 Connector36,86436.000.50
NV MCIO PCIe x16 Cable36,86436.000.50
NV DensiLink OverPass to OSFP Cage73,72872.001.00
2026 share
Nvidia NVSwitch 5.0 (NVLink 5)Σ 100%
%
NV 2 UltraPass OverPass 144 DP 224Gb/sΣ 100%
%
NV Paladin HD2 224Gb/s 144 DP (Male)Σ 100%
%
NV Paladin HD2 224Gb/s 144 DP (Female)Σ 100%
%
NV Paladin HD2 224Gb/s 72 DP (Male)Σ 100%
%
NV Paladin HD2 224Gb/s 72 DP (Female)Σ 100%
%
NV 224Gb/s SkewClear EXD Gen 2 CableΣ 100%
%
NVL Spine Chassis (NvLink 5)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: $166,764.00
$3,200.0018,43218.000.25$58,982,400.00$57,600.00407 W7,509,197 W7,333 WScale-Up SwitchX AINvidiaDevice LevelNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$720.0036,86436.000.50$26,542,080.00$25,920.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite LabelGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$576.0036,86436.000.50$21,233,664.00$20,736.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite Label224GNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$288.0036,86436.000.50$10,616,832.00$10,368.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite Label224GNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$288.0073,72872.001.00$21,233,664.00$20,736.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite Label224GNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$144.0073,72872.001.00$10,616,832.00$10,368.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite Label224GNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$4.005,308,4165,184.0072.00$21,233,664.00$20,736.000 W0 W0 WBackplaneX AINvidiaAmphenolWhite Label224GNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
$150.002,0482.000.03$307,200.00$300.000 W0 W0 WBackplaneX AIOthersOthersDevice LevelNVLinkGB200Scale-UpXAI-GB200 NVL72-CX7-SX5-3L
Per-server cost: $185,572.50
$350.0036,86436.000.50$12,902,400.00$12,600.0022 W825,754 W806 WAECX AIAmphenolDevice LevelGB200BackendXAI-GB200 NVL72-CX7-SX5-3L
$500.00147,456144.002.00$73,728,000.00$72,000.0016 W2,359,296 W2,304 WTransceiverX AIAAOIDevice Level112GEthernetFully RetimedGB200BackendXAI-GB200 NVL72-CX7-SX5-3L
$180.0073,72872.001.00$13,271,040.00$12,960.000 W0 W0 WFiberX AICorningDevice LevelGB200BackendXAI-GB200 NVL72-CX7-SX5-3L
$800.0073,7284.001.00$58,982,400.00$3,200.0050 W3,686,400 W200 WNICX AINvidiaDevice LevelGB200BackendXAI-GB200 NVL72-CX7-SX5-3L
$23,000.003,7763.690.05$86,848,000.00$84,812.50950 W3,587,200 W3,503 WSwitchX AINvidiaDevice LevelEthernetGB200BackendXAI-GB200 NVL72-CX7-SX5-3L
Per-server cost: $67,228.25
$26,000.008850.860.01$23,010,742.85$22,471.431,200 W1,062,034 W1,037 WSwitchX AICiscoDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$17,900.0040.000.00$65,462.86$63.93630 W2,304 W2 WSwitchX AICiscoDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$12,500.001320.130.00$1,645,714.29$1,607.14250 W32,914 W32 WSwitchX AICiscoDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$2,400.001,0831.060.01$2,598,034.29$2,537.14100 W108,251 W106 WSwitchX AICiscoDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$400.0042,81441.810.58$17,125,668.57$16,724.2914 W599,398 W585 WTransceiverX AIAAOIDevice Level112GEthernetFully RetimedGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$230.0042,59141.590.58$9,795,949.71$9,566.369 W383,320 W374 WTransceiverX AIAAOIDevice Level112GEthernetFully RetimedGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$49.5018,90018.460.26$935,507.93$913.583 W56,700 W55 WTransceiverX AIAAOIDevice Level28GEthernetFully RetimedGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$210.0058,59557.220.79$12,304,896.00$12,016.500 W0 W0 WFiberX AIOthersDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$150.003000.290.00$44,982.86$43.930 W0 W0 WFiberX AIOthersDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$150.008,4198.220.11$1,262,811.43$1,233.210 W0 W0 WFiberX AICorningDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
$1.0051,96150.740.70$51,960.69$50.740 W0 W0 WCableX AIAmphenolDevice LevelGB200FrontendXAI-GB200 NVL72-CX7-SX5-3L
Per-server cost: $4,005.00
$1.2536,86436.000.50$46,080.00$45.000 W0 W0 WConnectorX AIAmphenolAmphenolWhite LabelGB200Compute TrayXAI-GB200 NVL72-CX7-SX5-3L
$35.0036,86436.000.50$1,290,240.00$1,260.000 W0 W0 WCableX AIAmphenolAmphenolWhite LabelGB200Compute TrayXAI-GB200 NVL72-CX7-SX5-3L
$37.5073,72872.001.00$2,764,800.00$2,700.000 W0 W0 WCableX AIAmphenolAmphenolWhite LabelGB200Compute TrayXAI-GB200 NVL72-CX7-SX5-3L
By fabric
Total Scale-Up$170,766,336.00$166,764.007,509,197 W7,333 W
Total Backend$245,731,840.00$185,572.5010,458,650 W6,814 W
Total Frontend$68,841,731.47$67,228.252,244,923 W2,192 W
Total Compute Tray$4,101,120.00$4,005.000 W0 W
Grand Total Cluster Networking$489,441,027.47$423,569.7520,212,769 W16,339 W
By component
Total Transceivers$101,585,126.22$99,204.223,398,715 W3,319 W
Total Switches$114,167,954.28$111,492.144,792,704 W4,680 W
Total Fiber$26,883,730.29$26,253.640 W0 W
Total Cables$4,107,000.69$4,010.740 W0 W
Total Connectors$46,080.00$45.000 W0 W
Total NICs$58,982,400.00$3,200.003,686,400 W200 W