10Gtek 40 Gigabit QSFP+ LC Single-mode Transceiver, 40GBase-LR4 Module for Cisco ...
Compare price from $99.99 ~ $138.88ADVERTISEMENT
Product Details
Wide Compatibility - Cisco QSFP-40G-LR4 and other Open Switches. Compliant to the IEEE 802.3ba standard, SFF 8436 and QSFP Multisource Agreement||10Gtek is a manufacturer of transceiver, customized service is available