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Google 1600 A100 CX-6 Hyperscaler Infiniband Cluster Configuration
GOOG-A100-CX6-IB-2L
Google · A100 · CX-6
Rack type
NVL8
Cluster / location
A100 Cluster - QM8700
Buyer profile
Hyperscaler
Networking type
Infiniband
Number of XPUs
1,600
NIC used
CX-6
NICs / XPU
1
Scale-out BW / XPU
200G
XPU / server
8
Scale-up network
1 rows
Assigned blockDefault
A100 - NVL8
Scale-UpXPU: A100 NVL81 lineshared by 9 SKUs
Scale-Up Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia NVSwitch 2.0 (NVLink 3) | 1,200 | 6.00 | 0.75 |
Backend network
4 rows
Assigned blockDefault
A100 - NVL8 - CX6 - 2L - IB - QM8700 - Generic
BackendXPU: A100 NVL84 linesshared by 3 SKUs
Backend Parts Summary
4
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia LinkX 200G SR4 QSFP56 | 6,400 | 32.00 | 4.00 |
| Nvidia LinkX 200G Multimode | 3,200 | 16.00 | 2.00 |
| ConnectX-6 NIC - 200G | 1,600 | 8.00 | 1.00 |
| Quantum InfiniBand HDR (QM8700) | 120 | 0.60 | 0.08 |
Frontend network
11 rows
Assigned blockDefault
A100 - NVL8 - SN5600 - Generic
FrontendXPU: A100 NVL811 linesshared by 8 SKUs
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Spectrum-4 51.2T (SN5600) | 19 | 0 | 0.0120 |
| Spectrum-3 12.8T (SN4700) | 0 | 0 | 0.0001 |
| Spectrum-2 6.4T (SN3700) | 3 | 0 | 0.0018 |
| Spectrum-2 1GbE (SN2201) | 23 | 0 | 0.0147 |
| Nvidia LinkX 800G SR8 | 929 | 5 | 0.5807 |
| Nvidia LinkX 400G SR4 | 924 | 5 | 0.5777 |
| Nvidia LinkX 100G SR4 QSFP28 | 410 | 2 | 0.2563 |
| Nvidia LinkX 800G Multimode | 1,272 | 6 | 0.7947 |
| Nvidia LinkX 400G Multimode | 7 | 0 | 0.0041 |
| Nvidia LinkX 100G Multimode | 183 | 1 | 0.1142 |
| RJ45 Cables | 1,128 | 6 | 0.7048 |
Compute Tray Networking Content
1 rows
Assigned blockDefault
A100 - NVL8 - Generic
Compute TrayXPU: A100 NVL81 lineshared by 8 SKUs
Compute Tray Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| NVLink PCIe 4.0 x16 Retimer | 1,600 | 8.00 | 1.00 |
2026 share
Nvidia NVSwitch 2.0 (NVLink 3)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: $4,000.00 | |||||||||||||||||||||
| $666.67 | 1,200 | 6.00 | 0.75 | $800,000.00 | $4,000.00 | 255 W | 306,415 W | 1,532 W | Scale-Up Switch | Nvidia | — | Device Level | — | — | NVLink | — | A100 | Scale-Up | GOOG-A100-CX6-IB-2L | ||
Per-server cost: $29,456.08 | |||||||||||||||||||||
| $325.00 | 6,400 | 32.00 | 4.00 | $2,080,000.00 | $10,400.00 | 5 W | 32,000 W | 160 W | Transceiver | Nvidia | Mellanox, Others | White Label | — | 56G | InfiniBand | Fully Retimed | A100 | Backend | GOOG-A100-CX6-IB-2L | ||
| $375.00 | 3,200 | 16.00 | 2.00 | $1,200,000.00 | $6,000.00 | 0 W | 0 W | 0 W | Fiber | Others | — | White Label | — | — | — | — | A100 | Backend | GOOG-A100-CX6-IB-2L | ||
| $500.00 | 1,600 | 8.00 | 1.00 | $800,000.00 | $4,000.00 | 38 W | 60,000 W | 300 W | NIC | Nvidia | — | Device Level | — | — | — | — | A100 | Backend | GOOG-A100-CX6-IB-2L | ||
| $15,093.46 | 120 | 0.60 | 0.08 | $1,811,215.06 | $9,056.08 | 418 W | 50,110 W | 251 W | Switch | Nvidia | — | Device Level | — | — | — | — | A100 | Backend | GOOG-A100-CX6-IB-2L | ||
Per-server cost: $13,619.76 | |||||||||||||||||||||
| $23,000.00 | 19 | 0.10 | 0.01 | $441,746.03 | $2,208.73 | 950 W | 18,246 W | 91 W | Switch | Nvidia | — | Device Level | — | — | Ethernet | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $21,600.00 | 0 | 0.00 | 0.00 | $1,714.28 | $8.57 | 630 W | 50 W | 0 W | Switch | Nvidia | — | Device Level | — | — | Ethernet | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $13,273.51 | 3 | 0.01 | 0.00 | $37,924.31 | $189.62 | 250 W | 714 W | 4 W | Switch | Nvidia | — | Device Level | — | — | Ethernet | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $2,400.00 | 23 | 0.12 | 0.01 | $56,380.95 | $281.90 | 150 W | 3,524 W | 18 W | Switch | Nvidia | — | Device Level | — | — | Ethernet | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $930.23 | 929 | 4.65 | 0.58 | $864,304.17 | $4,321.52 | 14 W | 13,008 W | 65 W | Transceiver | Nvidia | Coherent, Eoptolink, Innolight, Mellanox | White Label | — | 112G | InfiniBand | Fully Retimed | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $575.00 | 924 | 4.62 | 0.58 | $531,464.29 | $2,657.32 | 9 W | 8,319 W | 42 W | Transceiver | Nvidia | Coherent, Innolight, Mellanox | White Label | — | 112G | InfiniBand | Fully Retimed | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $123.74 | 410 | 2.05 | 0.26 | $50,754.55 | $253.77 | 3 W | 1,230 W | 6 W | Transceiver | Nvidia | Mellanox, Others | White Label | — | 28G | InfiniBand | Fully Retimed | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $525.00 | 1,272 | 6.36 | 0.79 | $667,583.33 | $3,337.92 | 0 W | 0 W | 0 W | Fiber | Others | — | White Label | — | — | — | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $375.00 | 7 | 0.03 | 0.00 | $2,440.48 | $12.20 | 0 W | 0 W | 0 W | Fiber | Others | — | White Label | — | — | — | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $375.00 | 183 | 0.91 | 0.11 | $68,511.90 | $342.56 | 0 W | 0 W | 0 W | Fiber | Others | — | White Label | — | — | — | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
| $1.00 | 1,128 | 5.64 | 0.70 | $1,127.62 | $5.64 | 0 W | 0 W | 0 W | Cable | Amphenol | — | Device Level | — | — | — | — | A100 | Frontend | GOOG-A100-CX6-IB-2L | ||
Per-server cost: $233.33 | |||||||||||||||||||||
| $29.17 | 1,600 | 8.00 | 1.00 | $46,666.67 | $233.33 | 6 W | 9,600 W | 48 W | Retimer | Astera | Astera | L1 Abstraction | — | — | — | — | A100 | Compute Tray | GOOG-A100-CX6-IB-2L | ||
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $800,000.00 | $4,000.00 | 306,415 W | 1,532 W | |||||||||||||||||
| Total Backend | $5,891,215.06 | $29,456.08 | 142,110 W | 711 W | |||||||||||||||||
| Total Frontend | $2,723,951.91 | $13,619.76 | 45,091 W | 225 W | |||||||||||||||||
| Total Compute Tray | $46,666.67 | $233.33 | 9,600 W | 48 W | |||||||||||||||||
| Grand Total Cluster Networking | $9,461,833.64 | $47,309.17 | 503,216 W | 2,516 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $3,526,523.01 | $17,632.62 | 54,557 W | 273 W | |||||||||||||||||
| Total Switches | $2,348,980.63 | $11,744.90 | 72,644 W | 363 W | |||||||||||||||||
| Total Fiber | $1,938,535.71 | $9,692.68 | 0 W | 0 W | |||||||||||||||||
| Total Cables | $1,127.62 | $5.64 | 0 W | 0 W | |||||||||||||||||
| Total Connectors | — | — | — | — | |||||||||||||||||
| Total NICs | $800,000.00 | $4,000.00 | 60,000 W | 300 W | |||||||||||||||||