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Silver 1U rack-mount network switch with 32 QSFP+ ports and 4 SFP+ ports

Arista Networks, Inc.

Arista DCS-7050QX-32S-R 32-port 40GbE QSFP+ 4-port 10GbE SFP+ network switch

SKU CH-GTJS-1YZGH MPN DCS-7050QX-32S-R

A 1 RU switch with 32 x 40GbE QSFP+ ports, 4 x 1/10GbE SFP+ uplinks, dual 500W hot-swap AC supplies and rear-to-front airflow

  • 32 high-density 40GbE QSFP+ ports for massive throughput
  • Four 10GbE SFP+ uplinks add flexible connectivity
  • Dual 500W hot-swap AC supplies keep power flowing
  • Four hot-swap fans with rear-to-front airflow maintain cooling
  • 1RU form factor fits dense rack deployments

Arista 7050QX 40GbE leaf switch

The Arista DCS-7050QX-32S-R is a 1 RU data-centre switch that provides 32 ports of 40GbE QSFP+ connectivity and 4 ports of 1/10GbE SFP+ uplink. It runs Arista EOS and includes a dedicated RJ-45 management port plus an RS-232 serial console for out-of-band access. The unit ships with dual 500W hot-swappable AC power supplies and four hot-swappable fans, all configured for rear-to-front airflow.

Sustained 40GbE forwarding with deep buffers

The 7050QX architecture uses a shared packet buffer that absorbs microbursts without dropping frames during prolonged high-utilisation periods. Each of the 32 QSFP+ ports maintains line-rate 40GbE throughput under continuous load, while the 4 SFP+ uplinks handle 1GbE or 10GbE traffic without head-of-line blocking. Arista EOS provides per-flow telemetry so operators can verify consistent latency across all active ports.

Rear-to-front cooling with redundant power

Dual 500W power supplies operate in 1+1 redundancy; a single unit can power the full chassis if the other fails. Four hot-swappable fans draw cool air from the rear rack aisle and exhaust it through the front panel, matching typical cold-aisle containment layouts. Fan speed is managed by onboard thermal sensors and adjusts automatically to maintain safe component temperatures.

Highlights

  • 32 high-density 40GbE QSFP+ ports for massive throughput
  • Four 10GbE SFP+ uplinks add flexible connectivity
  • Dual 500W hot-swap AC supplies keep power flowing
  • Four hot-swap fans with rear-to-front airflow maintain cooling
  • 1RU form factor fits dense rack deployments

Specifications

BrandArista
ModelDCS-7050QX-32S-R

Questions about this item

How much power do the two 500W supplies draw when the DCS-7050QX-32S-R runs continuously?

Each supply is rated at 500W; actual draw depends on the 32 x 40GbE QSFP+ ports and 4 x 1/10GbE SFP+ uplinks you populate.

Which transceivers and cables must I already own to use the 32 QSFP+ and 4 SFP+ ports?

You need 40GbE QSFP+ optics or DACs for the 32 front ports and 1/10GbE SFP+ modules for the four uplinks.

Can the rear-to-front airflow fans and dual 500W AC supplies share a rack with older front-to-back switches?

Rear-to-front airflow exhausts heat toward the cold aisle, so it can sit beside front-to-back gear if aisle containment separates the flows.

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