arista 7060X 7060DX4-32 vs juniper QFX Series QFX5220-32CD
Side-by-side specifications from the vendors' own documents. The Arista 7060DX4-32 is a 1U 400GbE datacenter spine and leaf switch powered by the Broadcom Tomahawk 3 engine. The Juniper QFX5220-32CD is a 1U cloud-scale spine and leaf switch powered by Broadcom Tomahawk 3 silicon, providing 32 ports of 400GbE QSFP-DD.
| arista 7060X 7060DX4-32 | juniper QFX Series QFX5220-32CD | |
|---|---|---|
| Brand | arista | juniper |
| Status | current | current |
| Released | Oct 2019 | Sep 2019 |
| Form factor | 1U fixed switch | 1U fixed switch |
| Ports | 32x 400G QSFP-DD ports (backward compatible with 100G/200G) | 32x 400GbE QSFP-DD ports |
| Switching capacity | 25.6 Tbps / 10.6 Bpps forwarding rate | 25.6 Tbps / 5.35 Bpps wire-speed forwarding capacity |
| Form factor | 1U rack mount | — |
| Latency | Cut-through switching under 800 nanoseconds | — |
| Power supplies | Dual hot-swappable titanium-rated power supplies | — |
| Silicon | — | Broadcom Tomahawk 3 12.8T / 25.6T packet processing silicon |
| Multispeed | — | Supports 400G, 200G, 100G, 50G, and 40G transceiver modes and breakout cables |
| Cooling | — | High-efficiency redundant hot-swappable fan trays and power supplies |
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