Arista 7500R3 7504R3 vs Cisco Nexus 9504
Side-by-side specifications from the vendors' own documents. The Arista 7504R3 is a 4-slot modular 400GbE-ready datacenter spine and routing chassis powered by Jericho 2 silicon. The Cisco Nexus 9504 is a 4-slot modular enterprise datacenter core and spine chassis switch delivering high bandwidth in a compact 7U rack profile.
| Arista 7500R3 7504R3 | Cisco Nexus 9504 | |
|---|---|---|
| Brand | Arista | Cisco |
| Status | current | current |
| Released | Oct 2019 | Mar 2014 |
| Form factor | modular chassis | modular chassis |
| Chassis slots | 4 | 4 |
| Line card slots | 4 payload line card slots | 4 payload line card slots |
| Chassis height | 7U rack mount | 7U rack mount |
| Switching capacity | Up to 48 Tbps system bandwidth | Up to 57.6 Tbps with Cloud Scale GX2 line cards |
| Per slot bandwidth | Up to 12 Tbps per slot | — |
| Packet buffer | Integrated HBM deep buffer architecture | — |
| Encryption | Line-rate MACsec-256 available across line cards | — |
| Supervisor slots | — | 2 supervisor slots (active/standby) |
| Fabric modules | — | Up to 6 rear fabric modules with N+1 redundancy |
| Backplane design | — | Direct-attach orthogonal fabric without backplane traces |
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