arista 7260X 7260CX3-64 vs juniper QFX Series QFX5210-64C
Side-by-side specifications from the vendors' own documents. The Arista 7260CX3-64 is a high-density 2U fixed datacenter spine switch offering 64 ports of wire-speed 40G/100G QSFP28. The Juniper QFX5210-64C is a 2U high-density 100GbE datacenter spine switch powered by Broadcom Tomahawk 2 silicon.
| arista 7260X 7260CX3-64 | juniper QFX Series QFX5210-64C | |
|---|---|---|
| Brand | arista | juniper |
| Status | current | current |
| Released | May 2018 | Oct 2017 |
| Form factor | 2U fixed switch | 2U fixed switch |
| Ports | 64x 40G/100G QSFP28 ports | 64x 40G/100G QSFP28 ports |
| Switching capacity | 12.8 Tbps / 4.3 Bpps forwarding rate | 12.8 Tbps / 4.2 Bpps wire-speed forwarding performance |
| Form factor | 2U rack mount | — |
| Latency | Cut-through latency under 900 nanoseconds | — |
| Power supplies | Up to four hot-swappable 1+1 redundant power supplies | — |
| Silicon | — | Broadcom Tomahawk 2 packet processing engine |
| Fabric scale | — | High-density spine for 25G/100G Clos networks supporting up to 256x 25GbE links |
| Redundancy | — | Dual redundant hot-swappable AC or DC power supplies and hot-swappable fan trays |
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