This Arista Networks® QDD-400G-VSR4 compatible QSFP-DD transceiver provides 400GBase-SR4 throughput up to 50m over multi-mode fiber (MMF) PAM4 112G using a wavelength of 850nm via an MPO-12 connector. It can operate at temperatures between 0 and 70 °C. 

ProLabs’ transceiver is built to meet or exceed OEM specifications and is guaranteed to be 100% compatible with Arista Networks®. It has been programmed, uniquely serialised, and tested for data traffic and application to ensure that it will initialise and perform identically. 

All ProLabs transceivers comply with Multi-Source Agreement (MSA) standards to provide seamless network integration. Additional product features include Digital Optical Monitoring (DOM) support, which allows access to real-time operating parameters. This transceiver is Trade Agreements Act (TAA) compliant. ProLabs stands behind the quality of its products and proudly offers a limited lifetime warranty.