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Cisco

Cisco QDD-400G-SR4.2-BD | 400G QSFP-DD | 400GBASE-SR4.2 | 850/910 nm SWDM (2λ/fiber) | 100 m OM4 | MPO‑12

SKU:QDD-400G-SR4.2-BD

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Description

Short‑reach 400GbE SR4.2 QSFP‑DD for multimode fiber deployments up to 100 m (OM4) using SWDM across 4 transmit/4 receive fibers via MPO‑12. Ideal for high‑density intra‑data‑hall links where existing MMF cabling is available.

Features

- Cost‑effective 400G over existing MMF plant
- Compact QSFP‑DD footprint for high‑density switching
- SWDM technology reduces fiber count vs SR8
- Up to 100 m reach on OM4 for intra‑data‑hall links
- DOM/CMIS monitoring for proactive maintenance

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

Technical Specifications

- Form factor: QSFP-DD
- Data rate: 400 Gigabit Ethernet
- Optical standard: 400GBASE-SR4.2 (SWDM, 2 λ per fiber)
- Wavelengths: 850 nm and ~910 nm
- Fiber type: Multimode (OM4/OM3)
- Reach: up to 100 m (OM4), up to 70 m (OM3)
- Connector: MPO‑12 (UPC), 8 fibers utilized
- Host FEC: RS-FEC required on host
- Digital diagnostics: DDM/DOM supported (via CMIS)
- Operating temperature: 0 to +70 °C (standard)

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