Add reliable & cost-effective 40 Gigabit Ethernet connections over single-mode fiber, with this QSFP+ module. This 40 G Base-LR4 QSFP+ module delivers what you need most in your network connections: reliable performance. It's built to exacting MSA specifications & fully tested to ensure seamless compatibility. The single-mode QSFP+ transceiver module offers a cost-effective way to add, replace or upgrade the ports on your networking equipment. With data transfer rates of up to 40 Gbps & support for Digital Diagnostics Monitoring (DDM / DOM), this QSFP+ module can be installed into fiber networking equipment with an MSA compliant port, using an LC connector. It delivers dependable 40 Gigabit connectivity over single-mode fiber for 40 G Base-LR4 compliant networks, with a maximum distance of up to 10 km (6.2 mi.) & 1270 nm to 1330 nm optical wavelength. This optical transceiver is engineered to meet or exceed the industry's MSA (Multi-Source Agreement) standards. Star Tech.com brings its established reputation for high-quality connectivity solutions to SFP transceivers, providing SFPs that match major OEM brands in performance & reliability. Committed to the highest standards, Star Tech.com provides an extensive range of networking products including copper & fiber network cards, fiber media converters, Ethernet switches & wireless products. Delivering both convenience & scalability, this fiber transceiver is fully hot-pluggable, which enables you to install it without interrupting network traffic or having to reboot your equipment. It provides a versatile solution that's compatible with a wide range of networking equipment, allowing you to expand your network to remote segments cost-effectively.