This 40GBase-SR4 QSFP+ module delivers what you need most in your network connections: reliable performance. It?s built to exacting MSA specifications and fully tested to ensure seamless compatibility. The multimode QSFP+ transceiver module offers a cost-effective way to add, replace or upgrade the ports on your networking equipment, and it?s backed by a lifetime warranty. Industry Standards IEEE 802.3ba 40GBASE-SR4 Compatible Networks 40 Gbps DDM Yes Fiber Operating Mode Full-Duplex Fiber Type Multi Mode Max Transfer Distance 150 m (492 ft) Maximum Data Transfer Rate 40 Gbps MTBF 1,489,426 hours Wavelength 850nm Local Unit Connectors 1 - MPO Humidity 5-95% RH Operating Temperature 0oC to 70oC (32o F to 158oF) Storage Temperature -40oC to 85oC (-40oF to 185oF) Color Silver Enclosure Type Aluminum Whats in the Box 1 - QSFP+ transceiver Item Dimension (L inchxW inchxH inch) 5 x 4 x 2 Weight 1.00 lb Warranty Information Lifetime Warranty