This QFSP+ is a transceiver module for 40Gbps and conforms to the 10GBASE-SR4 standard.
It replaces four SFP+ modules and internally contains sender and transceiver for 4x 10Gbps over 850nm multi-mode fiber.
Suitable amongst other uses for 40 Gigabit Ethernet or Fibre Channel.
The module is equipped with a MPO connector.