All Dell® compatible 10G transceiver modules are certified for functionality, reliability and performance under rigorous testing parameters. Every 10G is RoHS and MSA compliant and built with Tier 1 grade components and lasers. Each Dell® compatible 10G module is individually tested in it's intended application with identical functionality to the OEM product. All ENET 10G modules are backed by an industry-leading lifetime replacement warranty and technical support.