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Silver 2U rack switch with dense rows of SFP+ and QSFP+ ports on the front

Arista Networks, Inc.

Arista Networks DCS-7050SX2-128-F network switch 96×10GbE SFP+ 8×40GbE QSFP+

SKU CH-Z671-5W0YD MPN DCS-7050SX2-128-F

A 2 RU switch with 96 SFP+ ports at 1/10GbE, eight 40GbE QSFP+ uplinks, dual 750W hot-swap supplies and front-to-rear cooling

  • High-density 10GbE connectivity with 96 SFP+ ports
  • High-speed 40GbE uplinks via 8 QSFP+ ports
  • Front-to-rear cooling with four hot-swappable fans
  • Redundant power from two 750W hot-swappable AC supplies
  • Compact 2U form factor for rack optimisation

Arista 7050SX2 128-Port Switch

The Arista DCS-7050SX2-128-F is a 2 RU fixed-configuration switch built for high-density 10GbE access layers. It provides 96 SFP+ ports running at 1/10GbE and eight QSFP+ uplinks operating at 40GbE. The system ships with two 750W hot-swappable AC power supplies and four hot-swappable fans, both using front-to-rear airflow. Management access includes two RJ-45 10/100/1000 ports, a serial console and a USB port, all running Arista EOS.

Suits 10GbE access with 40GbE uplinks

This platform fits data-centre operators aggregating 10GbE server or top-of-rack links into 40GbE spine connections. It also serves networks that require Arista EOS automation and telemetry in a 2 RU form factor. Buyers needing higher uplink speeds such as 100GbE, integrated rack rails, or a different airflow direction should evaluate other platforms.

96 SFP+ and 8 QSFP+ port configuration

The decisive specification is the combination of 96 SFP+ ports and eight QSFP+ uplinks in a single 2 RU chassis. This exact port mix determines whether the switch matches the required access-density and uplink-capacity profile for the target deployment.

Highlights

  • High-density 10GbE connectivity with 96 SFP+ ports
  • High-speed 40GbE uplinks via 8 QSFP+ ports
  • Front-to-rear cooling with four hot-swappable fans
  • Redundant power from two 750W hot-swappable AC supplies
  • Compact 2U form factor for rack optimisation

Specifications

BrandArista
ModelDCS-7050SX2-128-F

Questions about this item

Will the 96 SFP+ ports auto-negotiate with my existing 1 GbE transceivers?

Yes, each of the 96 ports supports 1/10GbE SFP+ so 1 GbE modules will link at 1 GbE.

How can I verify the 8 QSFP+ uplinks are operating at 40 GbE after installation?

Check the Arista EOS interface counters; each uplink should show 40 GbE speed and zero errors.

The listing says rack mounts are not included — what exactly ships in the box?

The switch chassis, 2 x 750 W hot-swap AC PSUs (front-to-rear), 4 hot-swap fans (front-to-rear), and no rack rails.

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