QSFP+/QSFP28 Loopback Modules

Amphenol is the leading provider of 40G QSFP+ Loopback Adapter Modules and 100G QSFP28 Loopback Adapter Modules worldwide, providing network administrators, IT professionals and OEM network equipment manufacturers with an affordable means of testing their 40-Gigabit Ethernet, 100-Gigabit Ethernet and QDR InfiniBand capable network hardware (switches, servers, HBA's, etc.) equipped with QSFP, QSFP+ and QSFP28 ports.  Our QSFP+ and QSFP28 Loopbacks are fully self-contained, plug-and-play devices; offering universal compatibility with your QSFP+ and QSFP28 capable hardware.  Enjoy the web's broadest possible selection of 40G/100G loopback transceivers with your choice of insertion loss (dB attenuation) and power consumption (Watts TDP) -- enabling network professionals the ability to properly mimic a range of QSFP+ and QSFP28 interconnect technologies such as Passive Copper Cables, Active Copper Cables and Optical Transceiver Modules.