The Cisco 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center high-performance computing networks enterprise core and distribution layers and service provider applications.Features and Benefits of Cisco QSFP Modules- Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port- Flexibility of interface choice (for different reach requirements and fiber types)- Interoperable with other IEEE-compliant 40GBASE interfaces where applicable- Certified and tested on Cisco QSFP 40G ports for superior performance quality and reliability- High-speed electrical interface compliant to IEEE 802.3ba- QSFP Form factor 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA)