This 40GBASE-ER4 QSFP+ transceiver is compatible with Intel 40G equipment and equivalent to genuine part number E40GQSFPER. It is programmed and tested to work with Intel Networking 40 Gigabit Ethernet (GbE) switches and routers. Intel 40G QSFP+ E40GQSFPER 40GBASE-ER4 Transceiver - FS. com Europe FS EuropeFREE SHIPPING on Orders Over EUR 79 VAT excl. The QSFP+ full-duplex optical module offers 4 independent transmit and receive channels, each capable of 10 Gbps operation for an aggregate. The 40G QSFP+ SR4 is a parallel 40Gbps Quad Small Form-factor Pluggable (QSFP) optical module that provides increased port density and total system cost savings. This 40G optical transceiver comes with a bidirectional 4-channel QSFP+ connector, enabling a total. Our Compatible Intel E40GQSFPSR QSFP+ transceiver is based on our 40G-QSFP-150 product, which has the same parameters and is manufactured in accordance with the same industry standards as its OEM counterpart. Our compatible module version is designed for operation over a Double Fiber Multi-Mode.