Cisco QSFP-40G-SR4 40GBASE-SR4 QSFP+ Transceiver Module - QSFPTEK
FS QSFP-PIR4-40G 40GBASE-PLRL4 40G QSFP+ Transceiver
Cisco QSFP-40G-LR4-S 40GBASE-LR4 QSFP+ Transceiver Module - QSFPTEK
Cisco QSFP-40GE-LR4 Comp. QSFP+ - 40GbE - SFP Modules, Networking IO Products
CISCO (QSFP 40G CSR4=) QSFP 4x10GBASE SR Transceiver Module MPO
Shop Cisco - QSFP+ transceiver module - 40 Gigabit LAN
Cisco QDD-400G-FR4-S SMF Optical Transceiver - NADDOD
Cisco QSFP-4X10G-LR-S Compatible 4x10GBASE-LR QSFP+ Transceiver
FS for Cisco QSFP-40G-CSR4 compatible QSFP+ optical transceiver provides 40GBASE-CSR4 links up to 400m over multimode fiber (OM4 MMF) at a wavelength
QSFP-CSR4-40G
Cisco S-Class - QSFP+ transceiver module - 40GbE - QSFP-40G-SR4-S