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200-Gigabit (200G) • 400-Gigabit (400G) • 800-Gigabit (800G) Ethernet Network Cables & Modules
QSFP-DD Cables • OSFP Cables
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QSFP-DD Loopback Modules (200G/400G/800G)

QSFP-DD Loopback Adapter Modules (400G • 800G QSFP-DD Loopbacks) by Amphenol Now In-Stock at Cables on Demand. Easily loopback test the QSFP-DD port TX/RX data throughput of your switch, server or host adapter with ease using Amphenol QSFP-DD Loopback Transceivers. Protocol agnostic and universally compatible, our QSFP-DD MSA compliant loopback adapters will work with your 200, 400 and 800-Gigabit Ethernet or InfiniBand network’s QSFP-DD ports, guaranteed or your money back.

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  • Amphenol SF-NLNACB0001-0001 QSFP-DD 112Gx8 (800G) Loopback Adapter Module for QSFP-DD Port Testing - 0dB Attenuation & 0W Power Consumption [800-Gigabit Ethernet Ready]
1-50 $54.30
51+ $51.59
  • EA
  • Amphenol SF-NLNAMB0001-0001 QSFP-DD 400G Loopback Adapter Module for QSFP-DD Port Testing - 0dB Attenuation & 0W Power Consumption (400-Gigabit Ethernet)
1-50 $56.08
51+ $53.28
  • EA