This transceiver is a modified version of QSFP. It supports four 10 Gbit/sec channels carrying 10 Gigabit Ethernet, 10GFC FiberChannel, or QDR InfiniBand. The vendors have added a benefit of adding 4 channels and combining into a single 40 Gigabit Ethernet link. Generally it is made only for the application of Data center, 40G Ethernet, Infiniband, and other communications standards.