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Cisco QDD-400G-LR8-S Compatible 400G QSFP-DD LR8 10km SMF Transceiver Module
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The QDD-400G-LR8-S is an optical transceiver module compatible with Cisco platforms. Plug-and-play, no configuration required. Key specifications: 400G, 10km, 1309nm, LC/UPC, SMF.
Compatibility: Documented OEM compatibility (Cisco published compatibility documentation): this module is accepted in 400G QSFP-DD ports on the ASR 9000 Series, Catalyst 9500 Series, Catalyst 9600 Series, Cisco 8000 Series, NCS 540 Series, NCS 5500 Series, Nexus 3000 Series, Nexus 9300 Series, Nexus 9500 Series, and Nexus 9800 Series. This module follows Cisco's published compatibility matrix; for your exact line card or OS release, email 10.4@tenfouroptics.com and we'll confirm fit.
Tested & Proven: Every TenFour Optics part is coded, tested, and verified before shipment — see Tested & Proven.
Backed by the GreenLights4Life® Limited Lifetime Replacement Warranty. In-stock items ship same or next business day — contact 10.4@tenfouroptics.com to confirm availability and lead time. Trusted by network engineers and procurement teams across North America for 10 years.
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