Arista

Arista Networks, formerly known as Arastra, was founded to deliver Cloud Networking solutions for large datacenter and computing environments.
Arista offers best-of-breed 10 Gigabit Ethernet switches that redefine scalability, robustness, and price–performance.
At the core of Arista's platform is the Extensible Operating System (EOS™), a pioneering new software architecture with self-healing and live in-service software upgrade capabilities.

Arista's team is comprised of experienced management and engineering talent from leading networking companies.
Arista markets its products worldwide through distribution partners, systems integrators and resellers with a strong dedication to partner and customer success.

Arista 7100 Series

The Arista 7100 Series of Datacenter Ethernet switches feature the industry's highest density 10 Gigabit Ethernet switching solution and the first with an extensible modular network operating system.
With breakthrough price-performance, the Arista 7100 Series enables 10 Gigabit Ethernet to be deployed everywhere in the data center, which can significantly improve server utilization and consequently data center power efficiency.
The Arista 7100 Series includes the Arista 7100S switches (10G SFP) and the Arista 7100T switches (10GBASE-T).
A summary of the differences in the various models is located at the matrix below.