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Google 16384 H100 CX7 Hyperscaler Ethernet Cluster Configuration
GOOG-H100-Eth-a3high-16k
Google · H100 · CX7
Rack type
NVL8
Cluster / location
Default H100
Buyer profile
Hyperscaler
Networking type
Ethernet
Number of XPUs
16,384
NIC used
CX7
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
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia NVSwitch 3.0 (NVLink 4) | 8,192 | 4.00 | 0.50 |
Backend network
8 rows
Assigned blockDefault
H100 - NVL8 - CX7 - 3L - ETH - TH3 - GOOG
BackendXPU: H100 NVL88 linesshared by 1 SKU
Backend Parts Summary
8
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 200G 2-meter DAC | 32,768 | 16.00 | 2.00 |
| ConnectX-7 NIC - 400G | 16,384 | 8.00 | 1.00 |
| Generic 200G DR4 QSFP56 | 32,768 | 16.00 | 2.00 |
| Generic 200G Multimode | 32,768 | 16.00 | 2.00 |
| WhiteBox Tomahawk 3 12.8T | 2,048 | 1.00 | 0.13 |
| Generic 400G SR8 | 49,152 | 24.00 | 3.00 |
| WhiteBox Tomahawk 5 51.2T | 384 | 0.19 | 0.02 |
| Generic 400G Multimode | 16,384 | 8.00 | 1.00 |
Frontend network
11 rows
Assigned blockDefault
H100 - NVL8 - WhiteBox TH5 - GOOG
FrontendXPU: H100 NVL811 linesshared by 2 SKUs
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| WhiteBox Tomahawk 5 51.2T | 197 | 0 | 0.0120 |
| WhiteBox Tomahawk 3 12.8T | 1 | 0 | 0.0001 |
| WhiteBox Tomahawk 2 6.4T | 29 | 0 | 0.0018 |
| Generic 1GbE Ethernet | 241 | 0 | 0.0147 |
| Generic 800G DR8 | 9,514 | 5 | 0.5807 |
| Generic 400G SR8 | 9,465 | 5 | 0.5777 |
| Generic 100G SR4 QSFP28 | 4,200 | 2 | 0.2563 |
| Generic 800G Single Mode | 13,021 | 6 | 0.7947 |
| Generic 400G Multimode | 67 | 0 | 0.0041 |
| Generic 100G Multimode | 1,871 | 1 | 0.1142 |
| RJ45 Cables | 11,547 | 6 | 0.7048 |
Compute Tray Networking Content
1 rows
Assigned blockDefault
H100 - NVL8 - Generic
Compute TrayXPU: H100 NVL81 lineshared by 16 SKUs
Compute Tray Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| NVLink PCIe 5.0 x16 Retimer | 16,384 | 8.00 | 1.00 |
2026 share
Nvidia NVSwitch 3.0 (NVLink 4)Σ 100%
%
| Item | Unit Cost | Quantity | Quantity (per Server) | Quantity (per XPU) | Extended Price for Cluster | Extended Price per Server | Power (W) per Unit | Extended Power (W) per Cluster | Extended Power (W) per Server | Device Type | Hyperscaler | Vendor | Manufacturer | Component | Speed | SerDes Speed | Protocol | Technology | XPU | Network | Tab Name |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Per-server cost: $4,800.00 | |||||||||||||||||||||
| $1,200.00 | 8,192 | 4.00 | 0.50 | $9,830,400.00 | $4,800.00 | 407 W | 3,337,421 W | 1,630 W | Scale-Up Switch | Nvidia | — | Device Level | — | — | NVLink | — | H100 | Scale-Up | GOOG-H100-Eth-a3high-16k | ||
Per-server cost: $25,856.25 | |||||||||||||||||||||
| $30.00 | 32,768 | 16.00 | 2.00 | $983,040.00 | $480.00 | 0 W | 0 W | 0 W | DAC | Others | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $800.00 | 16,384 | 8.00 | 1.00 | $13,107,200.00 | $6,400.00 | 50 W | 819,200 W | 400 W | NIC | Nvidia | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $150.00 | 32,768 | 16.00 | 2.00 | $4,915,200.00 | $2,400.00 | 5 W | 163,840 W | 80 W | Transceiver | AAOI | — | Device Level | — | 56G | Ethernet | Fully Retimed | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $150.00 | 32,768 | 16.00 | 2.00 | $4,915,200.00 | $2,400.00 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $5,000.00 | 2,048 | 1.00 | 0.13 | $10,240,000.00 | $5,000.00 | 450 W | 921,600 W | 450 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $180.00 | 49,152 | 24.00 | 3.00 | $8,847,360.00 | $4,320.00 | 8 W | 393,216 W | 192 W | Transceiver | Cloudlight | — | Device Level | — | 56G | Ethernet | Fully Retimed | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $19,500.00 | 384 | 0.19 | 0.02 | $7,488,000.00 | $3,656.25 | 1,200 W | 460,800 W | 225 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
| $150.00 | 16,384 | 8.00 | 1.00 | $2,457,600.00 | $1,200.00 | 0 W | 0 W | 0 W | Fiber | Others | — | Device Level | — | — | — | — | H100 | Backend | GOOG-H100-Eth-a3high-16k | ||
Per-server cost: $6,507.76 | |||||||||||||||||||||
| $19,500.00 | 197 | 0.10 | 0.01 | $3,835,123.81 | $1,872.62 | 1,200 W | 236,008 W | 115 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $5,000.00 | 1 | 0.00 | 0.00 | $4,063.49 | $1.98 | 450 W | 366 W | 0 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $3,072.57 | 29 | 0.01 | 0.00 | $89,894.65 | $43.89 | 250 W | 7,314 W | 4 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $350.00 | 241 | 0.12 | 0.01 | $84,195.56 | $41.11 | 100 W | 24,056 W | 12 W | Switch | Accton | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $500.00 | 9,514 | 4.65 | 0.58 | $4,757,130.16 | $2,322.82 | 16 W | 152,228 W | 74 W | Transceiver | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $180.00 | 9,465 | 4.62 | 0.58 | $1,703,643.43 | $831.86 | 8 W | 75,717 W | 37 W | Transceiver | Cloudlight | — | Device Level | — | 56G | Ethernet | Fully Retimed | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $49.50 | 4,200 | 2.05 | 0.26 | $207,890.65 | $101.51 | 3 W | 12,600 W | 6 W | Transceiver | AAOI | — | Device Level | — | 28G | Ethernet | Fully Retimed | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $180.00 | 13,021 | 6.36 | 0.79 | $2,343,789.71 | $1,144.43 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $150.00 | 67 | 0.03 | 0.00 | $9,996.19 | $4.88 | 0 W | 0 W | 0 W | Fiber | Others | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $150.00 | 1,871 | 0.91 | 0.11 | $280,624.76 | $137.02 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
| $1.00 | 11,547 | 5.64 | 0.70 | $11,546.82 | $5.64 | 0 W | 0 W | 0 W | Cable | Amphenol | — | Device Level | — | — | — | — | H100 | Frontend | GOOG-H100-Eth-a3high-16k | ||
Per-server cost: $466.67 | |||||||||||||||||||||
| $58.33 | 16,384 | 8.00 | 1.00 | $955,733.33 | $466.67 | 9 W | 147,456 W | 72 W | Retimer | Astera | Astera | L1 Abstraction | — | — | — | — | H100 | Compute Tray | GOOG-H100-Eth-a3high-16k | ||
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $9,830,400.00 | $4,800.00 | 3,337,421 W | 1,630 W | |||||||||||||||||
| Total Backend | $52,953,600.00 | $25,856.25 | 2,758,656 W | 1,347 W | |||||||||||||||||
| Total Frontend | $13,327,899.23 | $6,507.76 | 508,289 W | 248 W | |||||||||||||||||
| Total Compute Tray | $955,733.33 | $466.67 | 147,456 W | 72 W | |||||||||||||||||
| Grand Total Cluster Networking | $77,067,632.56 | $37,630.68 | 6,751,822 W | 3,297 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $20,431,224.24 | $9,976.18 | 797,602 W | 389 W | |||||||||||||||||
| Total Switches | $21,741,277.50 | $10,615.86 | 1,650,143 W | 806 W | |||||||||||||||||
| Total Fiber | $10,007,210.67 | $4,886.33 | 0 W | 0 W | |||||||||||||||||
| Total Cables | $11,546.82 | $5.64 | 0 W | 0 W | |||||||||||||||||
| Total Connectors | — | — | — | — | |||||||||||||||||
| Total NICs | $13,107,200.00 | $6,400.00 | 819,200 W | 400 W | |||||||||||||||||