Switch SFP Part QSFP-40G-SR4-C is in UK stock and 100% Compatible with Cisco part QSFP-40G-SR4.
The Cisco 40GBASE-SR4 QSFP Modules support link lengths of 100 meters and 150 meters, respectively, on laser-optimized OM3, and OM4/OM5 multimode fibers. It primarily enables high-bandwidth 40G optical links over 12-fiber parallel fiber terminated with MPO/MTP multifiber female connectors. It can also be used in a 4x10G breakout mode for interoperability with 10GBASE-SR and SFP-10/25G-CSR-S
Connector Type_MPO, Data Rate_40G, Distance_150m, Fiber Mode_Multimode, Transmission_850nm