arista 7050X 7050SX3-48YC8 vs NVIDIA Spectrum-2 SN3420
Side-by-side specifications from the vendors' own documents. The Arista 7050SX3-48YC8 is a modern 1U top-of-rack datacenter switch built on the Broadcom Trident 3 switching engine. The NVIDIA Spectrum-2 SN3420 is an enterprise 1U datacenter top-of-rack leaf switch delivering 48 ports of 10G/25G SFP28 and 12 ports of 40G/100G QSFP28.
| arista 7050X 7050SX3-48YC8 | NVIDIA Spectrum-2 SN3420 | |
|---|---|---|
| Brand | arista | NVIDIA |
| Status | current | current |
| Released | Aug 2018 | Jun 2019 |
| Form factor | 1U fixed switch | 1U fixed switch |
| Downlink ports | 48x 10G/25G SFP28 optical/copper ports | — |
| Uplink ports | 8x 40G/100G QSFP28 ports | — |
| Switching throughput | 4.0 Tbps / 2.0 Bpps forwarding capacity | — |
| Latency | Cut-through switching from 800 nanoseconds | — |
| Packet buffer | 32MB fully shared packet buffer architecture | — |
| Datacenter features | EVPN-VXLAN, RoCEv2, PFC, ECN, and sFlow | — |
| Ports | — | 48x 10G/25G SFP28 and 12x 40G/100G QSFP28 uplinks |
| Switching capacity | — | 4.8 Tbps / 3.58 Bpps forwarding rate |
| Silicon | — | NVIDIA Spectrum-2 programmable 16nm network processing ASIC |
| Telemetry | — | NVIDIA WJH (What Just Happened) hardware-based packet telemetry |
| Power supplies | — | Dual redundant hot-swappable AC or DC power modules |
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