Arista 7800R3 7804R3 vs Juniper QFX Series QFX5700
Side-by-side specifications from the vendors' own documents. The Arista 7804R3 is a 4-slot modular cloud spine and routing chassis engineered to deliver up to 115 Tbps of non-blocking throughput in a 10U frame. The Juniper QFX5700 is a 5U modular datacenter spine and core chassis switch powered by Broadcom Trident 4 programmable silicon.
| Arista 7800R3 7804R3 | Juniper QFX Series QFX5700 | |
|---|---|---|
| Brand | Arista | Juniper |
| Status | current | current |
| Released | Oct 2019 | Nov 2021 |
| Form factor | modular chassis | 5U modular chassis |
| Chassis slots | 4 | — |
| Line card slots | 4 payload line card slots | — |
| Chassis height | 10U rack mount | — |
| Switching capacity | Up to 115 Tbps system bandwidth | Up to 25.6 Tbps system switching capacity |
| Per slot capacity | Up to 28.8 Tbps per slot | — |
| Packet buffer | HBM integrated packet buffer pool | — |
| Power supplies | Up to six 3000W AC or DC high-efficiency power supplies | — |
| Form factor | — | 5U modular chassis with front-to-back airflow |
| Silicon | — | Broadcom Trident 4 programmable network processing ASICs |
| Line cards | — | Modular payload slots supporting 400GbE QSFP-DD and 100GbE QSFP28 cards |
| Software | — | Junos OS Evolved with automated telemetry, Python programmability, and zero-touch operations |
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