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Cisco QDD-400G-DR4-S transceiver module, rectangular, silver and black with orange pull tab.

Cisco QDD-400G-DR4-S Network Transceiver Module

Name: Cisco QDD-400G-DR4-S Network Transceiver Module
Brand: Cisco
SKU: 44771640024

by Cisco

£3116.88from 2 retailers

The Cisco QDD-400G-DR4-S is a high-performance network transceiver module supporting 400GE links and 100GE breakout, ideal for efficient networking.

GTIN00889728178075

EAN0889728178075

MPNQDD-400G-DR4-S=

Prices updated 21 May 2026

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Product Description

The Cisco QDD-400G-DR4-S Module supports 400GE links and up to four 100GE breakout link lengths of up to 500m. The module has four pairs of SMF with an MPO-12 connector. It is compliant to the IEEE 802.3 400GBASE-DR4 and 400GAUI-8/CEI-56G-VSR-PAM4 standards. The 400 Gigabit Ethernet signal is carried over four parallel lanes by one wavelength per lane. In breakout operation the module complies with IEEE 802.3 100GBASE-DR. It can be used as 4x100G breakout to QSFP28 100G-DR. QSFP-100G-FR. and QSFP-100G-LR for link lengths up to 500m. FEC is performed on the host platform.

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