Lenovo 00FM412 Break Out Cable, Network Cable, Fiber Optical, Cable Length 16.40 ft, Connector on First End 1 x MTP Male Network, Second End 4 x LC Male Network, Transfer Rate 40 Gbit/s, Device Network Device, Transceiver/Media Converter. QSFP+ provides flexible connectivity for 40Gb Ethernet. For 40Gb-to-40Gb connectivity, clients can use QSFP+ Direct Attach Cables up to 7 meters. For 40Gb connectivity over longer distances, use a QSFP+ transceiver and QSFP+ MTP optical cables.