Arista 7050X 7050SX3-48YC8 vs Dell PowerSwitch S4128T-ON
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 Dell PowerSwitch S4128T-ON is a 1U top-of-rack open networking switch providing 28 10GBASE-T copper ports and two 100GbE QSFP28 uplink ports.
| Arista 7050X 7050SX3-48YC8 | Dell PowerSwitch S4128T-ON | |
|---|---|---|
| Brand | Arista | Dell |
| Status | current | current |
| Released | Aug 2018 | Jun 2017 |
| Form factor | 1U fixed switch | 1U 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 | — |
| Port configuration | — | 28x 10GBASE-T RJ45 ports + 2x 100GbE QSFP28 uplink ports |
| Switching capacity | — | 960 Gbps aggregate throughput (714 Mpps forwarding rate) |
| Operating system | — | ONIE; supports Dell SmartFabric OS10, Enterprise SONiC, and 3rd-party NOS |
| Airflow options | — | I/O to PSU (Normal) or PSU to I/O (Reverse) airflow options |
| Power supply | — | Dual redundant hot-plug power supplies with hot-swappable fans |
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