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ATGBICS QSFP28 SR4 optical transceiver shown from label and reverse sides
QSFP28 optical module appearance example. The model table describes separate configurations; match the exact optical interface and host form factor.

Cisco · Manufacturer reference

Cisco QDD-2X400G-FR4

Part numberQDD-2X400G-FR4

QSFP-DD; 2×400G-FR4; dual duplex LC; G.652 SMF; up to 2 km; 17 W maximum listed power.

Module format
QSFP-DD
Listed reach
up to 2 km
Fiber medium
G.652 SMF
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Availability, condition and compatibility are confirmed against your request.

Key specifications

ParameterValue
Module formatQSFP-DD
Listed reachup to 2 km
Fiber mediumG.652 SMF
Optical connectordual duplex LC
Maximum listed power17 W
Link configuration2×400G-FR4

Overview

Cisco QDD-2X400G-FR4 is a pluggable optical transceiver for an identified network link. The documented ordering configuration is QSFP-DD; 2×400G-FR4; dual duplex LC; G.652 SMF; up to 2 km; 17 W maximum listed power.

Selection and compatibility

  • Match the host port, firmware qualification, fiber type, connector, and the complete optical link budget.

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