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Amazon 131072 Teton3 PDS Nitro-v6 Hyperscaler EFA Cluster Configuration
AWS-Teton3 PDS-320L Switch Tray
Amazon · Trainium3 · Nitro-v6
Rack type
Teton3 PDS
Cluster / location
Teton3 PDS Clusters
Buyer profile
Hyperscaler
Networking type
EFA
Number of XPUs
131,072
NIC used
Nitro-v6
NICs / XPU
1.031
Scale-out BW / XPU
412.5G
XPU / server
64
Scale-up network
1 rows
Assigned blockDefault
Trainium3 - Teton3 PDS - AWS
Scale-UpXPU: Trainium3 Teton3 PDS1 lineshared by 1 SKU
Scale-up Units are based on the scale-up world size (64 XPUs).
XPU World Size
2
WS| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Lane Count# | Lane BWGbit/s uni-d |
|---|---|---|---|---|---|
| XPUs per Node | · | 16 | · | · | · |
| Scale-Up World Size | · | 64 | · | · | · |
Switches
2
SW| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Lane Count# | Lane BWGbit/s uni-d |
|---|---|---|---|---|---|
| per Switch | Astera Labs Scorpio X 320-lane PCIe Gen 6.0 | 1 | 20,480 | 320 | 64 |
| Scale-Up Switch Total | · | 16 | 327,680 | · | · |
PCIe Lane Math
PCIe Lane Math
18
PCIe lane accounting for the Trainium scale-up domain. Values behave like spreadsheet cells: type = to start a formula, then click other Value cells to link them (hard-coded values read blue, pure cell links read white).
| Section | Metric | Value# | Note |
|---|---|---|---|
| · | Lanes per Connector pair | 160 | · |
| · | Lanes per Switch | 320 | · |
| · | Redundant Lanes | 0 | · |
| · | Switch Tray Paladin Units per Chip | 2 | · |
| · | DP per Connector pair | 80 | · |
| · | DP per Lane | 2 | · |
| · | Lanes per Connector pair | 40 | · |
| · | Backplane Lanes per Chip | 64 | · |
| · | Spare Lanes | 16 | · |
| · | XPU Strada Whisper Units per Chip | 2 | · |
| (a) | Number of Chips | 64 | · |
| · | AEC Lanes per Chip | 32 | · |
| · | Lanes per AEC | 16 | · |
| · | AEC Units per (a) | 64 | · |
| · | Backplane Lanes | 64 | · |
| · | AEC Lanes | 32 | · |
| · | PCB Lanes | 64 | · |
| · | Total Lanes per Trainium | 160 | · |
Scale-Up Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Astera Labs Scorpio X 320-lane PCIe Gen 6.0 | 32,768 | 16.00 | 0.25 |
Frontend network
No converged frontend + storage fabric data for this cluster.
Frontend Parts Summary
0
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|
Compute Tray Networking Content
1 rows
Networking components inside the compute tray — accelerators, board-to-board connectors, retimers, and their per-tray bandwidth.
Assigned blockDefault
Trainium3 - Teton3 PDS - AWS
Compute TrayXPU: Trainium3 Teton3 PDS1 lineshared by 3 SKUs
| Tray layer | Part / Model | Units per Tray | Unit BWGb/s | Lanes | Lane BWGb/s | Per switch |
|---|---|---|---|---|---|---|
| XPUs per Tray | Trainium3 | · | · | · | · | 2 |
| · | Aries PCIe 6.0 x16 Retimer | · | 1,024 | · | · | 4 |
Compute Tray Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Aries PCIe 6.0 x16 Retimer | · | · | · |