https://www.glsunmall.com/fiber-optic-articles/40g-qsfp-optical-module-introduction.html QSFP+ is a compact, hot-pluggable optical module that can transmit data at up to 40Gbps. It conforms to the SFF-8436 protocol and the QSFP Multi-Source Agreement (MSA). QSFP+ has four independent optical signal sending and receiving channels with a rate of 10Gbps and a total bandwidth of 40Gbps. In the application scenarios of data center, high performance computing network, enterprise core layer and distribution layer, 40G QSFP+ optical transceiver module can provide high-density and low-power 40G Ethernet connection transmission applications