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.  


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QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.91
51+ $42.66
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.91
51+ $42.66
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 0dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.58
51+ $42.35
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 3dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.58
51+ $42.35
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 5dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 0W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.91
51+ $42.66
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 1.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.58
51+ $42.35
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 2.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $44.58
51+ $42.35
  • Qty:
QSFP 100G Loopback Adapter Module for QSFP28 Port Testing - 6dB Attenuation & 3.5W Power Consumption [100-Gigabit Ethernet Ready]
1-50 $46.80
51+ $44.46
  • Qty:
QSFP+ 40G Loopback Adapter Module for QSFP / QSFP+ Port Testing - 0dB Attenuation & 0W Power Consumption [Copper+Optical Ready]
1-50 $24.47
51+ $23.25
  • Qty:
QSFP+ 40G Loopback Adapter Module for QSFP / QSFP+ Port Testing - 0dB Attenuation & 1.5W Power Consumption [Copper+Optical Ready]
1-50 $24.47
51+ $23.25
  • Qty:
QSFP+ 40G Loopback Adapter Module for QSFP / QSFP+ Port Testing - 3dB Attenuation & 1.5W Power Consumption [Copper+Optical Ready]
1-50 $27.83
51+ $26.44
  • Qty: