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Meta 2048 MTIA Gen 5 Thor-4 1.6T NIC Hyperscaler Ethernet Cluster Configuration
META-MTIA Gen 5-1.6T-Eth-2L
Meta · MTIA Gen 5 · Thor-4 1.6T NIC
Rack type
—
Cluster / location
All Other Clusters
Buyer profile
Hyperscaler
Networking type
Ethernet
Number of XPUs
2,048
NIC used
Thor-4 1.6T NIC
NICs / XPU
1
Scale-out BW / XPU
1.6T
XPU / server
72
Scale-up network
1 rows
Assigned blockDefault
MTIA Gen 5
Scale-UpXPU: MTIA Gen 51 lineshared by 1 SKU
Scale-up Units are based on the scale-up world size (72 XPUs).
XPU World Size
2
WS| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Port Count# | Port BWGbit/s uni-d |
|---|---|---|---|---|---|
| XPUs per Node | · | 4 | 19,200 | 48 | 400 |
| Scale-Up World Size | · | 72 | 1,382,400 | · | · |
Switches
2
SW| Scale-Up Network Layer | Part / Model | Units# | Unit BWGbit/s uni-d | Port Count# | Port BWGbit/s uni-d |
|---|---|---|---|---|---|
| per Switch | Tomahawk 7 204.8T ASIC | 1 | 204,800 | 512 | 400 |
| Scale-Up Switch Total | · | 8 | 1,638,400 | · | · |
Notes
- XPUs per Node — 8x6x200G
- per Switch · Tomahawk 7 204.8T ASIC — >> 80 Empty Ports per switch
Scale-Up Parts Summary
1
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Tomahawk 7 204.8T ASIC | 228 | 8.00 | 0.11 |
Backend network
5 rows
Assigned blockDefault
MTIA Gen 5 - Thor4 - 2L - ETH - Minipack-4 OCP Rack - META
BackendXPU: MTIA Gen 55 linesshared by 1 SKU
Backend Units are based on the cluster size (2,048 XPUs).
Switches
4
SW Network Layer | Switch and Server Spec | Aggregate Port Utilization | Network Bandwidth Aggregate | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SwitchPart Name / Model | Units# | Unit BWGbit/s | Port BWGbit/s | Downlink Ports / SW# | Uplink Ports / SW# | Max Ports# | Downlink Ports# | Uplink Ports# | Total Ports# | Downlink BWTbit/s | Uplink BWTbit/s | OversubRatio | |
| XPUs | · | 2,048 | 1,600 | 1,600 | 0 | 2,048 | 2,048 | 0 | 2,048 | 2,048 | 0 | 3,276.8 | · |
| NICs per Node | Thor-4 1.6T NIC | 4 | 1,600 | · | · | · | 8 | · | · | · | · | · | · |
| Leaf | Minipack-4 OCP Rack 102.4T | 64 | 102,400 | 1,600 | 32 | 32 | 64 | 2,048 | 2,048 | 4,096 | 3,276.8 | 3,276.8 | 1 |
| Spine | Minipack-4 OCP Rack 102.4T | 32 | 102,400 | 1,600 | 64 | · | 64 | 2,048 | 0 | 2,048 | 3,276.8 | 0 | · |
Transceivers
4
CN Network Layer | Transceiver / CablePart Name / Model | Total Units# | Units per SW/GPU# | Unit BWGbit/s | Lanes# | BW per LaneGbit/s | Agg. BWTbit/s |
|---|---|---|---|---|---|---|---|
| XPU Nodes | None - AECs are Used -> | 2,048 | 2,048 | 1,600 | 8 | 200 | 3,276.8 |
| Leaf | |||||||
| Downlink | None - AECs are Used -> | 2,048 | 32 | 1,600 | 8 | 200 | 3,276.8 |
| Uplink | Generic 1.6T DR8 (SiPho) | 2,048 | 32 | 1,600 | 8 | 200 | 3,276.8 |
| Spine | |||||||
| Downlink | Generic 1.6T DR8 (SiPho) | 2,048 | 64 | 1,600 | 8 | 200 | 3,276.8 |
| Uplink | · | · | · | · | · | · | · |
| Core | |||||||
| Downlink | · | · | · | · | · | · | · |
| Uplink | · | · | · | · | · | · | · |
| Super-Core | |||||||
Cables
4
CB Network Layer | Cable/ FiberType | Total Units# | Units per Transceiver# | Unit BWGbit/s | Lane Count# | SerDes BWGbit/s |
|---|---|---|---|---|---|---|
| XPU Nodes | Generic 1.6T AEC | 2,048 | 1 | 1,600 | 8 | 200 |
| Leaf | ||||||
| Downlink | Already counted above | · | · | · | · | · |
| Uplink | Generic 800G Single Mode | 2,048 | 1 | 1,600 | 4 | 400 |
| Spine | ||||||
| Downlink | Already counted above | · | · | · | · | · |
| Uplink | · | · | · | · | · | · |
| Core | ||||||
| Downlink | · | · | · | · | · | · |
| Uplink | · | · | · | · | · | · |
| Super-Core | ||||||
Backend Parts Summary
5
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Generic 1.6T AEC | 2,048 | 72.00 | 1.00 |
| Generic 1.6T DR8 (SiPho) | 4,096 | 144.00 | 2.00 |
| Generic 800G Single Mode | 2,048 | 72.00 | 1.00 |
| Thor-4 1.6T NIC | 2,048 | 72.00 | 1.00 |
| Minipack-4 OCP Rack 102.4T | 96 | 3.38 | 0.05 |
Frontend network
11 rows
Assigned blockDefault
MTIA Gen 5 - Minipack-4 - META
FrontendXPU: MTIA Gen 511 linesshared by 1 SKU
Converged Frontend + Storage Fabric
11
| Layer | Part / Model | Units | Attach / XPU |
|---|---|---|---|
| · | Minipack-4 OCP Rack 102.4T | 25 | 0.0120 |
| · | Minipack-2 OCP Rack 25.6T | 0 | 0.0000 |
| · | Minipack-1 OCP Rack 12.8T | 4 | 0.0018 |
| · | Generic 1GbE Ethernet | 30 | 0.0147 |
| · | Generic 1.6T DR8 (SiPho) | 1,189 | 0.5807 |
| · | Generic 800G DR4 | 1,183 | 0.5777 |
| · | Generic 200G DR4 QSFP56 | 525 | 0.2563 |
| · | Generic 800G Single Mode | 1,628 | 0.7947 |
| · | Generic 400G Single Mode | 8 | 0.0041 |
| · | Generic 200G Single Mode | 234 | 0.1142 |
| · | RJ45 Cables | 1,443 | 0.7048 |
Frontend Parts Summary
11
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|---|---|---|
| Minipack-4 OCP Rack 102.4T | 25 | 1 | 0.0120 |
| Minipack-2 OCP Rack 25.6T | 0 | 0 | 0.0001 |
| Minipack-1 OCP Rack 12.8T | 4 | 0 | 0.0018 |
| Generic 1GbE Ethernet | 30 | 1 | 0.0147 |
| Generic 1.6T DR8 (SiPho) | 1,189 | 42 | 0.5807 |
| Generic 800G DR4 | 1,183 | 42 | 0.5777 |
| Generic 200G DR4 QSFP56 | 525 | 18 | 0.2563 |
| Generic 800G Single Mode | 1,628 | 57 | 0.7947 |
| Generic 400G Single Mode | 8 | 0 | 0.0041 |
| Generic 200G Single Mode | 234 | 8 | 0.1142 |
| RJ45 Cables | 1,443 | 51 | 0.7048 |
Compute Tray Networking Content
Networking components inside the compute tray — accelerators, board-to-board connectors, retimers, and their per-tray bandwidth.
Assigned blockDefault
MTIA Gen 5 - META
Compute TrayXPU: MTIA Gen 50 linesshared by 1 SKU
| Tray layer | Part / Model | Units per Tray | Unit BWGb/s | Lanes | Lane BWGb/s | Per switch |
|---|
Compute Tray Parts Summary
0
| Item | Qty/Cluster | Qty/Server | Attach/XPU |
|---|