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Google 65536 TPUv4 NIC - 100G Hyperscaler Ethernet Cluster Configuration
GOOG-TPUv4-400G-Eth-WB-4096
Google · TPUv4 · NIC - 100G
Rack type
—
Cluster / location
TPUv4 Cluster - 3D Torus
Buyer profile
Hyperscaler
Networking type
Ethernet
Number of XPUs
65,536
NIC used
NIC - 100G
NICs / XPU
0.5
Scale-out BW / XPU
50G
XPU / server
4,096
Scale-up network
Assigned blockDefault
TPUv4
Scale-UpXPU: TPUv40 linesshared by 1 SKU
Scale-Up Parts Summary
4
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| 400G Copper | 81,920 | 5,120.00 | 1.25 |
| Generic 400G DAC | 81,920 | 5,120.00 | 1.25 |
| PCB | 57,344 | 3,584.00 | 0.88 |
| 400G FR8 | 98,304 | 6,144.00 | 1.50 |
Backend network
7 rows
Assigned blockDefault
TPUv4 - 100G NIC - 4L - ETH - TH2 - GOOG
BackendXPU: TPUv47 linesshared by 1 SKU
Backend Parts Summary
7
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 100G AEC | 32,768 | 2,048.00 | 0.50 |
| Generic 100G DR4 QSFP28 | 131,072 | 8,192.00 | 2.00 |
| Generic 100G Single Mode | 65,536 | 4,096.00 | 1.00 |
| NIC - 100G | 32 | 2.00 | 0.00 |
| WhiteBox Tomahawk 2 6.4T | 2,048 | 128.00 | 0.03 |
| WhiteBox Tomahawk 3 12.8T | 1,024 | 64.00 | 0.02 |
| Generic 100G FR4 | 32,768 | 2,048.00 | 0.50 |
Frontend network
Frontend Parts Summary
0
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|
Compute Tray Networking Content
1 rows
Assigned blockDefault
TPUv4 - GOOG
Compute TrayXPU: TPUv41 lineshared by 1 SKU
Compute Tray Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| PCIe 3.0 x16 Cable | · | · | · |
2026 share
Generic 400G DACΣ 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: $3,200.00 | |||||||||||||||||||||
| $40.00 | 1,280 | 80.00 | 0.02 | $51,200.00 | $3,200.00 | 0 W | 0 W | 0 W | DAC | Amphenol | — | Device Level | — | — | — | — | TPUv4 | Scale-Up | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| — | 81,920 | 5,120.00 | 1.25 | — | — | — | — | — | — | — | — | — | — | — | — | — | TPUv4 | Scale-Up | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| — | 57,344 | 3,584.00 | 0.88 | — | — | — | — | — | — | — | — | — | — | — | — | — | TPUv4 | Scale-Up | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| — | 98,304 | 6,144.00 | 1.50 | — | — | — | — | — | — | — | — | — | — | — | — | — | TPUv4 | Scale-Up | GOOG-TPUv4-400G-Eth-WB-4096 | ||
Per-server cost: $2,219,069.08 | |||||||||||||||||||||
| $70.00 | 32,768 | 2,048.00 | 0.50 | $2,293,760.00 | $143,360.00 | 8 W | 262,144 W | 16,384 W | AEC | Amphenol | — | Device Level | — | — | — | — | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $54.00 | 131,072 | 8,192.00 | 2.00 | $7,077,888.00 | $442,368.00 | 3 W | 393,216 W | 24,576 W | Transceiver | AAOI | — | Device Level | — | 28G | Ethernet | Fully Retimed | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $130.00 | 65,536 | 4,096.00 | 1.00 | $8,519,680.00 | $532,480.00 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $250.00 | 32,768 | 2.00 | 0.50 | $8,192,000.00 | $500.00 | 38 W | 1,245,184 W | 76 W | NIC | Marvell | — | Device Level | — | — | — | — | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $3,072.57 | 2,048 | 128.00 | 0.03 | $6,292,625.29 | $393,289.08 | 250 W | 512,000 W | 32,000 W | Switch | Accton | — | Device Level | — | — | — | — | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $5,000.00 | 1,024 | 64.00 | 0.02 | $5,120,000.00 | $320,000.00 | 450 W | 460,800 W | 28,800 W | Switch | Accton | — | Device Level | — | — | — | — | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| $189.00 | 32,768 | 2,048.00 | 0.50 | $6,193,152.00 | $387,072.00 | 3 W | 98,304 W | 6,144 W | Transceiver | Lumentum | — | Device Level | — | 28G | Ethernet | Fully Retimed | TPUv4 | Backend | GOOG-TPUv4-400G-Eth-WB-4096 | ||
Per-server cost: $0.00 | |||||||||||||||||||||
| $9.90 | — | — | — | — | — | 0 W | — | — | Cable | Amphenol | — | Device Level | — | — | PCIe | — | TPUv4 | Compute Tray | GOOG-TPUv4-400G-Eth-WB-4096 | ||
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $51,200.00 | $3,200.00 | 0 W | 0 W | |||||||||||||||||
| Total Backend | $43,689,105.29 | $2,219,069.08 | 2,971,648 W | 107,980 W | |||||||||||||||||
| Total Compute Tray | — | — | — | — | |||||||||||||||||
| Grand Total Cluster Networking | $43,740,305.29 | $2,222,269.08 | 2,971,648 W | 107,980 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $13,271,040.00 | $829,440.00 | 491,520 W | 30,720 W | |||||||||||||||||
| Total Switches | $11,412,625.29 | $713,289.08 | 972,800 W | 60,800 W | |||||||||||||||||
| Total Fiber | $8,519,680.00 | $532,480.00 | 0 W | 0 W | |||||||||||||||||
| Total Cables | — | — | — | — | |||||||||||||||||
| Total Connectors | — | — | — | — | |||||||||||||||||
| Total NICs | $8,192,000.00 | $500.00 | 1,245,184 W | 76 W | |||||||||||||||||