The Arista DCS-7280CR3K-32D4A-F, manufactured by Arista Networks, is a 1U rack-mountable switch featuring 32 ports of QSFP28 supporting up to 100GbE and 4 ports of QSFP-DD supporting up to 400GbE.

This model supports front-to-back airflow (F-B) for data center cooling compatibility. It uses dual redundant power supplies with AC input and hot-swappable fan modules. The system runs the EOS operating system and integrates into spine-and-leaf topologies or aggregation layers requiring high-density connectivity. Ports support backward compatibility on optical modules where applicable.

Arista DCS-7280CR3K-32D4A-F: 7280R3, 32x100GbE QSFP and 4x400GbE QSFP-DD switch router, large routes, front to rear air, 2 x AC.