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Neoclouds/AI Lab/SovAI 2048 400G per XPU Bandwidth NIC - 400G Emerging Neocloud Ethernet Cluster Configuration
CN-400G Generic-2L
Chinese Hyperscaler · 400G per XPU Bandwidth · NIC - 400G
Rack type
—
Cluster / location
Default 2-Layer Cluster
Buyer profile
China Cloud
Networking type
Ethernet
Number of XPUs
2,048
NIC used
NIC - 400G
NICs / XPU
1
Scale-out BW / XPU
400G
XPU / server
8
Scale-up network
2 rows
Assigned blockDefault
400G per XPU Bandwidth
Scale-UpXPU: 400G per XPU Bandwidth2 linesshared by 2 SKUs
Scale-Up Parts Summary
2
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia NVSwitch 3.0 (NVLink 4) | 1,024 | 4.00 | 0.50 |
| NVLink PCIe 5.0 x16 Retimer | 2,048 | 8.00 | 1.00 |
Backend network
5 rows
Assigned blockDefault
400G per XPU Bandwidth - 400G NIC - 2L - ETH - TH4 - Generic
BackendXPU: 400G per XPU Bandwidth5 linesshared by 2 SKUs
Backend Parts Summary
5
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 400G SR4 | 2,048 | 8.00 | 1.00 |
| Generic 400G Multimode | 4,096 | 16.00 | 2.00 |
| Generic 800G SR8 | 3,072 | 12.00 | 1.50 |
| NIC - 400G | 2,048 | 8.00 | 1.00 |
| BlackBox Tomahawk 4 25.6T | 96 | 0.38 | 0.05 |
Frontend network
11 rows
Assigned blockDefault
400G per XPU Bandwidth - BlackBox TH5 - Generic
FrontendXPU: 400G per XPU Bandwidth11 linesshared by 2 SKUs
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| BlackBox Tomahawk 5 51.2T | 25 | 0 | 0.0120 |
| BlackBox Tomahawk 3 12.8T | 0 | 0 | 0.0001 |
| BlackBox Tomahawk 2 6.4T | 4 | 0 | 0.0018 |
| BlackBox Tomahawk 1GbE Ethernet | 30 | 0 | 0.0147 |
| Generic 800G SR8 | 1,189 | 5 | 0.5807 |
| Generic 400G SR4 | 1,183 | 5 | 0.5777 |
| Generic 100G SR4 QSFP28 | 525 | 2 | 0.2563 |
| Generic 800G Multimode | 1,628 | 6 | 0.7947 |
| Generic 400G Multimode | 8 | 0 | 0.0041 |
| Generic 100G Multimode | 234 | 1 | 0.1142 |
| RJ45 Cables | 1,443 | 6 | 0.7048 |
Compute Tray Networking Content
Assigned blockDefault
400G per XPU Bandwidth - Generic
Compute TrayXPU: 400G per XPU Bandwidth0 linesshared by 2 SKUs
Compute Tray Parts Summary
0
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|
2026 share
Generic 400G SR4Σ 100%
%
Generic 400G MultimodeΣ 100%
%
Generic 800G SR8Σ 100%
%
BlackBox Tomahawk 4 25.6TΣ 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: $5,266.67 | |||||||||||||||||||||
| $1,200.00 | 1,024 | 4.00 | 0.50 | $1,228,800.00 | $4,800.00 | 407 W | 417,178 W | 1,630 W | Scale-Up Switch | Chinese Hyperscaler | Nvidia | — | Device Level | — | — | NVLink | — | 400G per XPU Bandwidth | Scale-Up | CN-400G Generic-2L | |
| $58.33 | 2,048 | 8.00 | 1.00 | $119,466.67 | $466.67 | 9 W | 18,432 W | 72 W | Retimer | Chinese Hyperscaler | Astera | Astera | L1 Abstraction | — | — | — | — | 400G per XPU Bandwidth | Scale-Up | CN-400G Generic-2L | |
Per-server cost: $24,790.00 | |||||||||||||||||||||
| $230.00 | 2,048 | 8.00 | 1.00 | $471,040.00 | $1,840.00 | 9 W | 18,432 W | 72 W | Transceiver | Chinese Hyperscaler | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | 400G per XPU Bandwidth | Backend | CN-400G Generic-2L | |
| $150.00 | 4,096 | 16.00 | 2.00 | $614,400.00 | $2,400.00 | 0 W | 0 W | 0 W | Fiber | Chinese Hyperscaler | Others | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Backend | CN-400G Generic-2L | |
| $400.00 | 3,072 | 12.00 | 1.50 | $1,228,800.00 | $4,800.00 | 14 W | 43,008 W | 168 W | Transceiver | Chinese Hyperscaler | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | 400G per XPU Bandwidth | Backend | CN-400G Generic-2L | |
| $750.00 | 2,048 | 8.00 | 1.00 | $1,536,000.00 | $6,000.00 | 75 W | 153,600 W | 600 W | NIC | Chinese Hyperscaler | Others | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Backend | CN-400G Generic-2L | |
| $26,000.00 | 96 | 0.38 | 0.05 | $2,496,000.00 | $9,750.00 | 850 W | 81,600 W | 319 W | Switch | Chinese Hyperscaler | Arista | — | Device Level | — | 224G | Ethernet | — | 400G per XPU Bandwidth | Backend | CN-400G Generic-2L | |
Per-server cost: $7,469.81 | |||||||||||||||||||||
| $26,000.00 | 25 | 0.10 | 0.01 | $639,187.30 | $2,496.83 | 1,200 W | 29,501 W | 115 W | Switch | Chinese Hyperscaler | Arista | — | Device Level | — | 224G | Ethernet | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $17,900.00 | 0 | 0.00 | 0.00 | $1,818.41 | $7.10 | 630 W | 64 W | 0 W | Switch | Chinese Hyperscaler | Arista | — | Device Level | — | 112G | Ethernet | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $12,500.00 | 4 | 0.01 | 0.00 | $45,714.29 | $178.57 | 250 W | 914 W | 4 W | Switch | Chinese Hyperscaler | Arista | — | Device Level | — | 112G | Ethernet | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $2,400.00 | 30 | 0.12 | 0.01 | $72,167.62 | $281.90 | 100 W | 3,007 W | 12 W | Switch | Chinese Hyperscaler | Others | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $400.00 | 1,189 | 4.65 | 0.58 | $475,713.02 | $1,858.25 | 14 W | 16,650 W | 65 W | Transceiver | Chinese Hyperscaler | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $230.00 | 1,183 | 4.62 | 0.58 | $272,109.71 | $1,062.93 | 9 W | 10,648 W | 42 W | Transceiver | Chinese Hyperscaler | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $49.50 | 525 | 2.05 | 0.26 | $25,986.33 | $101.51 | 3 W | 1,575 W | 6 W | Transceiver | Chinese Hyperscaler | AAOI | — | Device Level | — | 28G | Ethernet | Fully Retimed | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $210.00 | 1,628 | 6.36 | 0.79 | $341,802.67 | $1,335.17 | 0 W | 0 W | 0 W | Fiber | Chinese Hyperscaler | Others | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $150.00 | 8 | 0.03 | 0.00 | $1,249.52 | $4.88 | 0 W | 0 W | 0 W | Fiber | Chinese Hyperscaler | Others | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $150.00 | 234 | 0.91 | 0.11 | $35,078.10 | $137.02 | 0 W | 0 W | 0 W | Fiber | Chinese Hyperscaler | Corning | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| $1.00 | 1,443 | 5.64 | 0.70 | $1,443.35 | $5.64 | 0 W | 0 W | 0 W | Cable | Chinese Hyperscaler | Amphenol | — | Device Level | — | — | — | — | 400G per XPU Bandwidth | Frontend | CN-400G Generic-2L | |
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $1,348,266.67 | $5,266.67 | 435,610 W | 1,702 W | |||||||||||||||||
| Total Backend | $6,346,240.00 | $24,790.00 | 296,640 W | 1,159 W | |||||||||||||||||
| Total Frontend | $1,912,270.32 | $7,469.81 | 62,359 W | 244 W | |||||||||||||||||
| Grand Total Cluster Networking | $9,606,776.98 | $37,526.47 | 794,609 W | 3,104 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $2,473,649.06 | $9,662.69 | 90,313 W | 353 W | |||||||||||||||||
| Total Switches | $3,254,887.62 | $12,714.40 | 115,086 W | 450 W | |||||||||||||||||
| Total Fiber | $992,530.29 | $3,877.07 | 0 W | 0 W | |||||||||||||||||
| Total Cables | $1,443.35 | $5.64 | 0 W | 0 W | |||||||||||||||||
| Total Connectors | — | — | — | — | |||||||||||||||||
| Total NICs | $1,536,000.00 | $6,000.00 | 153,600 W | 600 W | |||||||||||||||||