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
Hummingbird Networks Brand Compatible for Juniper QSFPP-40GBASE-LR4 40GBase-LR QSFP+ Now: $309.99 View Product
Tripp Lite Cisco-Compatible QSFP-40G-LR4 QSFP+ Transceiver - 40GBase-LR4. Singlemode LC. N286-40G-LR4 Now: $873.11 View Product
NETGEAR ProSafe AXLM762 - QSFP+ Transceiver Module - 40 Gigabit LAN - 40GBase-LR4 - LC Single-mode - Up To 6.2 Miles - AXLM762-10000S Now: $758.63 View Product
Hummingbird Networks Brand Compatible for Juniper JNP-QSFP-40G-LR4 QSFP+ 40GBASE SMF Now: $309.99 View Product