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Google 65536 B200 RoCE NIC - 400G Hyperscaler Infiniband Cluster Configuration
GOOG-B200-Eth-DEF
Google · B200 · RoCE NIC - 400G
Rack type
NVL8
Cluster / location
All Other Clusters
Buyer profile
Hyperscaler
Networking type
Infiniband
Number of XPUs
65,536
NIC used
RoCE NIC - 400G
NICs / XPU
1
Scale-out BW / XPU
400G
XPU / server
8
Scale-up network
1 rows
Assigned blockDefault
B200 - NVL8
Scale-UpXPU: B200 NVL81 lineshared by 6 SKUs
Scale-Up Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia NVSwitch 5.0 (NVLink 5) | 16,384 | 2.00 | 0.25 |
Backend network
6 rows
Assigned blockDefault
B200 - NVL8 - CX7 - 3L - ETH - TH5 - GOOG
BackendXPU: B200 NVL86 linesshared by 1 SKU
Backend Parts Summary
6
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 400G DR4 | 65,536 | 8.00 | 1.00 |
| Generic 400G Single Mode | 65,536 | 8.00 | 1.00 |
| Generic 800G DR8 | 163,840 | 20.00 | 2.50 |
| Generic 800G Single Mode | 65,536 | 8.00 | 1.00 |
| ConnectX-7 NIC - 400G | 65,536 | 8.00 | 1.00 |
| WhiteBox Tomahawk 5 51.2T | 2,560 | 0.31 | 0.04 |
Frontend network
11 rows
Assigned blockDefault
B200 - NVL8 - WhiteBox TH5 - GOOG
FrontendXPU: B200 NVL811 linesshared by 1 SKU
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| WhiteBox Tomahawk 5 51.2T | 787 | 0 | 0.0120 |
| WhiteBox Tomahawk 3 12.8T | 3 | 0 | 0.0001 |
| WhiteBox Tomahawk 2 6.4T | 117 | 0 | 0.0018 |
| Generic 1GbE Ethernet | 962 | 0 | 0.0147 |
| Generic 800G DR8 | 38,057 | 5 | 0.5807 |
| Generic 400G SR8 | 37,859 | 5 | 0.5777 |
| Generic 100G SR4 QSFP28 | 16,800 | 2 | 0.2563 |
| Generic 800G Single Mode | 52,084 | 6 | 0.7947 |
| Generic 400G Multimode | 267 | 0 | 0.0041 |
| Generic 100G Multimode | 7,483 | 1 | 0.1142 |
| RJ45 Cables | 46,187 | 6 | 0.7048 |
Compute Tray Networking Content
1 rows
Assigned blockDefault
B200 - NVL8 - Generic
Compute TrayXPU: B200 NVL81 lineshared by 5 SKUs
Compute Tray Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| NVLink PCIe 5.0 x16 Retimer | 65,536 | 8.00 | 1.00 |
2026 share
Nvidia NVSwitch 5.0 (NVLink 5)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: $6,400.00 | |||||||||||||||||||||
| $3,200.00 | 16,384 | 2.00 | 0.25 | $52,428,800.00 | $6,400.00 | 407 W | 6,674,842 W | 815 W | Scale-Up Switch | Nvidia | — | Device Level | — | — | NVLink | — | B200 | Scale-Up | GOOG-B200-Eth-DEF | ||
Per-server cost: $27,053.75 | |||||||||||||||||||||
| $260.00 | 65,536 | 8.00 | 1.00 | $17,039,360.00 | $2,080.00 | 10 W | 655,360 W | 80 W | Transceiver | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | B200 | Backend | GOOG-B200-Eth-DEF | ||
| $130.00 | 65,536 | 8.00 | 1.00 | $8,519,680.00 | $1,040.00 | 0 W | 0 W | 0 W | Fiber | Amphenol | — | Device Level | — | — | — | — | B200 | Backend | GOOG-B200-Eth-DEF | ||
| $500.00 | 163,840 | 20.00 | 2.50 | $81,920,000.00 | $10,000.00 | 16 W | 2,621,440 W | 320 W | Transceiver | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | B200 | Backend | GOOG-B200-Eth-DEF | ||
| $180.00 | 65,536 | 8.00 | 1.00 | $11,796,480.00 | $1,440.00 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | B200 | Backend | GOOG-B200-Eth-DEF | ||
| $800.00 | 65,536 | 8.00 | 1.00 | $52,428,800.00 | $6,400.00 | 50 W | 3,276,800 W | 400 W | NIC | Nvidia | — | Device Level | — | — | — | — | B200 | Backend | GOOG-B200-Eth-DEF | ||
| $19,500.00 | 2,560 | 0.31 | 0.04 | $49,920,000.00 | $6,093.75 | 1,200 W | 3,072,000 W | 375 W | Switch | Accton | — | Device Level | — | — | — | — | B200 | Backend | GOOG-B200-Eth-DEF | ||
Per-server cost: $6,507.76 | |||||||||||||||||||||
| $19,500.00 | 787 | 0.10 | 0.01 | $15,340,495.23 | $1,872.62 | 1,200 W | 944,030 W | 115 W | Switch | Accton | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $5,000.00 | 3 | 0.00 | 0.00 | $16,253.97 | $1.98 | 450 W | 1,463 W | 0 W | Switch | Accton | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $3,072.57 | 117 | 0.01 | 0.00 | $359,578.59 | $43.89 | 250 W | 29,257 W | 4 W | Switch | Accton | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $350.00 | 962 | 0.12 | 0.01 | $336,782.22 | $41.11 | 100 W | 96,223 W | 12 W | Switch | Accton | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $500.00 | 38,057 | 4.65 | 0.58 | $19,028,520.64 | $2,322.82 | 16 W | 608,913 W | 74 W | Transceiver | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $180.00 | 37,859 | 4.62 | 0.58 | $6,814,573.71 | $831.86 | 8 W | 302,870 W | 37 W | Transceiver | Cloudlight | — | Device Level | — | 56G | Ethernet | Fully Retimed | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $49.50 | 16,800 | 2.05 | 0.26 | $831,562.61 | $101.51 | 3 W | 50,400 W | 6 W | Transceiver | AAOI | — | Device Level | — | 28G | Ethernet | Fully Retimed | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $180.00 | 52,084 | 6.36 | 0.79 | $9,375,158.86 | $1,144.43 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $150.00 | 267 | 0.03 | 0.00 | $39,984.76 | $4.88 | 0 W | 0 W | 0 W | Fiber | Others | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $150.00 | 7,483 | 0.91 | 0.11 | $1,122,499.05 | $137.02 | 0 W | 0 W | 0 W | Fiber | Corning | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
| $1.00 | 46,187 | 5.64 | 0.70 | $46,187.28 | $5.64 | 0 W | 0 W | 0 W | Cable | Amphenol | — | Device Level | — | — | — | — | B200 | Frontend | GOOG-B200-Eth-DEF | ||
Per-server cost: $466.67 | |||||||||||||||||||||
| $58.33 | 65,536 | 8.00 | 1.00 | $3,822,933.31 | $466.67 | 9 W | 589,824 W | 72 W | Retimer | Astera | Astera | L1 Abstraction | — | — | — | — | B200 | Compute Tray | GOOG-B200-Eth-DEF | ||
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $52,428,800.00 | $6,400.00 | 6,674,842 W | 815 W | |||||||||||||||||
| Total Backend | $221,624,320.00 | $27,053.75 | 9,625,600 W | 1,175 W | |||||||||||||||||
| Total Frontend | $53,311,596.91 | $6,507.76 | 2,033,157 W | 248 W | |||||||||||||||||
| Total Compute Tray | $3,822,933.31 | $466.67 | 589,824 W | 72 W | |||||||||||||||||
| Grand Total Cluster Networking | $331,187,650.22 | $40,428.18 | 18,923,422 W | 2,310 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $125,634,016.96 | $15,336.18 | 4,238,983 W | 517 W | |||||||||||||||||
| Total Switches | $65,973,110.01 | $8,053.36 | 4,142,974 W | 506 W | |||||||||||||||||
| Total Fiber | $30,853,802.67 | $3,766.33 | 0 W | 0 W | |||||||||||||||||
| Total Cables | $46,187.28 | $5.64 | 0 W | 0 W | |||||||||||||||||
| Total Connectors | — | — | — | — | |||||||||||||||||
| Total NICs | $52,428,800.00 | $6,400.00 | 3,276,800 W | 400 W | |||||||||||||||||