Hummingbird Compatible ProSafe AXLM762 - QSFP+ Transceiver Module - 40 Gigabit LAN - 40GBase-LR4 - LC Single-mode - Up To 6.2 Miles - AXLM76… Now: $267.30 View Product
Tripp Lite Cisco-Compatible QSFP-40G-LR4 QSFP+ Transceiver - 40GBase-LR4. Singlemode LC. N286-40G-LR4 Now: $873.11 View Product
Cisco 40GBASE-LR4 QSFP+ LC single-mode - up to 6.2 miles Module for SMF - QSFP-40G-LR4-S= Now: $4,356.42 View Product
Tripp Lite Cisco-Compatible QSFP+ Transceiver - 40GBase-PLR4. Singlemode MPO/MTP. 1310 N286-40G-PLR4 Now: $951.70 View Product