This Arista Networks 40GBASE-XSR4 compatible QSFP+ transceiver provides 40GBase-SR4 throughput up to 300m over FALSE at a wavelength of 850nm using a MPO connector. It is guaranteed to be 100% compatible with the equivalent Arista Networks transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of Arista Networks, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. All of our transceivers are Trade Agreements Act (TAA) compliant.