Cisco QSFP-40G-LR4= - Fiber optic - 40000 Mbit/s - QSFP - LC - LR - 10000 m - QSFP-40G-LR4=

Cisco QSFP-40G-LR4=. SFP transceiver type: Fiber optic, Maximum data transfer rate: 40000 Mbit/s, Interface type: QSFP. Certification: MSA. Power consumption (typical): 3.5 W. Number of products included: 1 pc(s)

https://www.cisco.com/c/en/us/products/collateral/switches/nexus-9000-series-switches/datasheet-c78-730160.html

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)