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Microsoft 131072 GB300 CX-8 Hyperscaler Arista TH5 Cluster Configuration
MSFT-GB300-CX8-TH5-AR-8P-2L
Microsoft · GB300 · CX-8
Rack type
NVL72
Cluster / location
All Other Clusters
Buyer profile
Hyperscaler
Networking type
Arista TH5
Number of XPUs
131,072
NIC used
CX-8
NICs / XPU
1
Scale-out BW / XPU
800G
XPU / server
72
Scale-up network
8 rows
Assigned blockDefault
GB300 - NVL72
Scale-UpXPU: GB300 NVL728 linesshared by 22 SKUs
Scale-Up Parts Summary
8
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Nvidia NVSwitch 5.0 (NVLink 5) | 32,768 | 18.00 | 0.25 |
| NV 2 UltraPass OverPass 144 DP 224Gb/s | 65,536 | 36.00 | 0.50 |
| NV Paladin HD2 224Gb/s 144 DP (Male) | 65,536 | 36.00 | 0.50 |
| NV Paladin HD2 224Gb/s 144 DP (Female) | 65,536 | 36.00 | 0.50 |
| NV Paladin HD2 224Gb/s 72 DP (Male) | 131,072 | 72.00 | 1.00 |
| NV Paladin HD2 224Gb/s 72 DP (Female) | 131,072 | 72.00 | 1.00 |
| NV 224Gb/s SkewClear EXD Gen 2 Cable | 9,437,184 | 5,184.00 | 72.00 |
| NVL Spine Chassis (NvLink 5) | 3,641 | 2.00 | 0.03 |
Backend network
4 rows
Assigned blockDefault
GB300 - NVL72 - CX8 - 2L - ETH - TH5 - MSFT
BackendXPU: GB300 NVL724 linesshared by 1 SKU
Backend Parts Summary
4
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 800G DR8 | 524,288 | 288.00 | 4.00 |
| Generic 400G Single Mode | 524,288 | 288.00 | 4.00 |
| ConnectX-8 NIC - 800G | 131,072 | 72.00 | 1.00 |
| Arista Tomahawk 5 51.2T 512 Radix | 6,144 | 3.38 | 0.05 |
Frontend network
11 rows
Assigned blockDefault
GB300 - NVL72 - Arista TH5 - Generic
FrontendXPU: GB300 NVL7211 linesshared by 3 SKUs
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Arista Tomahawk 5 51.2T (7060X6-64PE) | 1,573 | 1 | 0.0120 |
| Arista Tomahawk 3 12.8T (7050PX4-32S) | 7 | 0 | 0.0001 |
| Arista Tomahawk 2 6.4T (7050CX3-32S) | 234 | 0 | 0.0018 |
| Arista Ethernet 1GbE (7048-A) | 1,924 | 1 | 0.0147 |
| Generic 800G DR8 | 76,114 | 42 | 0.5807 |
| Generic 400G DR4 | 75,717 | 42 | 0.5777 |
| Generic 100G DR4 QSFP28 | 33,600 | 18 | 0.2563 |
| Generic 800G Single Mode | 104,168 | 57 | 0.7947 |
| Generic 400G Single Mode | 533 | 0 | 0.0041 |
| Generic 100G Single Mode | 14,967 | 8 | 0.1142 |
| RJ45 Cables | 92,375 | 51 | 0.7048 |
Compute Tray Networking Content
3 rows
Assigned blockDefault
GB300 - NVL72 - Generic
Compute TrayXPU: GB300 NVL723 linesshared by 20 SKUs
Compute Tray Parts Summary
3
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| NV MCIO PCIe x16 Connector | 65,536 | 36.00 | 0.50 |
| NV MCIO PCIe x16 Cable | 65,536 | 36.00 | 0.50 |
| NV DensiLink OverPass to OSFP Cage | 131,072 | 72.00 | 1.00 |
2026 share
Nvidia NVSwitch 5.0 (NVLink 5)Σ 100%
%
NV 2 UltraPass OverPass 144 DP 224Gb/sΣ 100%
%
NV Paladin HD2 224Gb/s 144 DP (Male)Σ 100%
%
NV Paladin HD2 224Gb/s 144 DP (Female)Σ 100%
%
NV Paladin HD2 224Gb/s 72 DP (Male)Σ 100%
%
NV Paladin HD2 224Gb/s 72 DP (Female)Σ 100%
%
NV 224Gb/s SkewClear EXD Gen 2 CableΣ 100%
%
NVL Spine Chassis (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: $166,764.00 | |||||||||||||||||||||
| $3,200.00 | 32,768 | 18.00 | 0.25 | $104,857,600.00 | $57,600.00 | 407 W | 13,349,683 W | 7,333 W | Scale-Up Switch | Microsoft | Nvidia | — | Device Level | — | — | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $720.00 | 65,536 | 36.00 | 0.50 | $47,185,920.00 | $25,920.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | — | — | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $576.00 | 65,536 | 36.00 | 0.50 | $37,748,736.00 | $20,736.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | 224G | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $288.00 | 65,536 | 36.00 | 0.50 | $18,874,368.00 | $10,368.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | 224G | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $288.00 | 131,072 | 72.00 | 1.00 | $37,748,736.00 | $20,736.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | 224G | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $144.00 | 131,072 | 72.00 | 1.00 | $18,874,368.00 | $10,368.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | 224G | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $4.00 | 9,437,184 | 5,184.00 | 72.00 | $37,748,736.00 | $20,736.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Nvidia | Amphenol | White Label | — | 224G | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $150.00 | 3,641 | 2.00 | 0.03 | $546,133.33 | $300.00 | 0 W | 0 W | 0 W | Backplane | Microsoft | Others | Others | Device Level | — | — | NVLink | — | GB300 | Scale-Up | MSFT-GB300-CX8-TH5-AR-8P-2L | |
Per-server cost: $279,577.50 | |||||||||||||||||||||
| $500.00 | 524,288 | 288.00 | 4.00 | $262,144,000.00 | $144,000.00 | 16 W | 8,388,608 W | 4,608 W | Transceiver | Microsoft | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | GB300 | Backend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $130.00 | 524,288 | 288.00 | 4.00 | $68,157,440.00 | $37,440.00 | 0 W | 0 W | 0 W | Fiber | Microsoft | Amphenol | — | Device Level | — | — | — | — | GB300 | Backend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $1,500.00 | 131,072 | 4.00 | 1.00 | $196,608,000.00 | $6,000.00 | 75 W | 9,830,400 W | 300 W | NIC | Microsoft | Nvidia | — | Device Level | — | — | — | — | GB300 | Backend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $27,300.00 | 6,144 | 3.38 | 0.05 | $167,731,200.00 | $92,137.50 | 1,200 W | 7,372,800 W | 4,050 W | Switch | Microsoft | Arista | — | Device Level | — | — | — | — | GB300 | Backend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
Per-server cost: $70,650.07 | |||||||||||||||||||||
| $26,000.00 | 1,573 | 0.86 | 0.01 | $40,907,987.30 | $22,471.43 | 1,200 W | 1,888,061 W | 1,037 W | Switch | Microsoft | Arista | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $15,000.00 | 7 | 0.00 | 0.00 | $97,523.81 | $53.57 | 630 W | 4,096 W | 2 W | Switch | Microsoft | Arista | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $11,000.00 | 234 | 0.13 | 0.00 | $2,574,628.57 | $1,414.29 | 250 W | 58,514 W | 32 W | Switch | Microsoft | Arista | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $2,400.00 | 1,924 | 1.06 | 0.01 | $4,618,727.62 | $2,537.14 | 150 W | 288,670 W | 159 W | Switch | Microsoft | Arista | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $500.00 | 76,114 | 41.81 | 0.58 | $38,057,041.27 | $20,905.36 | 16 W | 1,217,825 W | 669 W | Transceiver | Microsoft | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $260.00 | 75,717 | 41.59 | 0.58 | $19,686,546.29 | $10,814.14 | 10 W | 757,175 W | 416 W | Transceiver | Microsoft | AAOI | — | Device Level | — | 112G | Ethernet | Fully Retimed | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $54.00 | 33,600 | 18.46 | 0.26 | $1,814,410.97 | $996.69 | 3 W | 100,801 W | 55 W | Transceiver | Microsoft | AAOI | — | Device Level | — | 28G | Ethernet | Fully Retimed | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $180.00 | 104,168 | 57.22 | 0.79 | $18,750,317.71 | $10,299.86 | 0 W | 0 W | 0 W | Fiber | Microsoft | Corning | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $130.00 | 533 | 0.29 | 0.00 | $69,306.92 | $38.07 | 0 W | 0 W | 0 W | Fiber | Microsoft | Amphenol | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $130.00 | 14,967 | 8.22 | 0.11 | $1,945,665.02 | $1,068.79 | 0 W | 0 W | 0 W | Fiber | Microsoft | Corning | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $1.00 | 92,375 | 50.74 | 0.70 | $92,374.55 | $50.74 | 0 W | 0 W | 0 W | Cable | Microsoft | Amphenol | — | Device Level | — | — | — | — | GB300 | Frontend | MSFT-GB300-CX8-TH5-AR-8P-2L | |
Per-server cost: $4,005.00 | |||||||||||||||||||||
| $1.25 | 65,536 | 36.00 | 0.50 | $81,920.00 | $45.00 | 0 W | 0 W | 0 W | Connector | Microsoft | Amphenol | Amphenol | White Label | — | — | — | — | GB300 | Compute Tray | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $35.00 | 65,536 | 36.00 | 0.50 | $2,293,760.00 | $1,260.00 | 0 W | 0 W | 0 W | Cable | Microsoft | Amphenol | Amphenol | White Label | — | — | — | — | GB300 | Compute Tray | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| $37.50 | 131,072 | 72.00 | 1.00 | $4,915,200.00 | $2,700.00 | 0 W | 0 W | 0 W | Cable | Microsoft | Amphenol | Amphenol | White Label | — | — | — | — | GB300 | Compute Tray | MSFT-GB300-CX8-TH5-AR-8P-2L | |
| By fabric | |||||||||||||||||||||
| Total Scale-Up | $303,584,597.33 | $166,764.00 | 13,349,683 W | 7,333 W | |||||||||||||||||
| Total Backend | $694,640,640.00 | $279,577.50 | 25,591,808 W | 8,958 W | |||||||||||||||||
| Total Frontend | $128,614,530.03 | $70,650.07 | 4,315,143 W | 2,370 W | |||||||||||||||||
| Total Compute Tray | $7,290,880.00 | $4,005.00 | 0 W | 0 W | |||||||||||||||||
| Grand Total Cluster Networking | $1,134,130,647.36 | $520,996.57 | 43,256,634 W | 18,662 W | |||||||||||||||||
| By component | |||||||||||||||||||||
| Total Transceivers | $321,701,998.53 | $176,716.19 | 10,464,409 W | 5,748 W | |||||||||||||||||
| Total Switches | $215,930,067.30 | $118,613.93 | 9,612,142 W | 5,280 W | |||||||||||||||||
| Total Fiber | $88,922,729.65 | $48,846.71 | 0 W | 0 W | |||||||||||||||||
| Total Cables | $7,301,334.55 | $4,010.74 | 0 W | 0 W | |||||||||||||||||
| Total Connectors | $81,920.00 | $45.00 | 0 W | 0 W | |||||||||||||||||
| Total NICs | $196,608,000.00 | $6,000.00 | 9,830,400 W | 300 W | |||||||||||||||||