• Cisco QDD-800G-DR8 800G QSFP-DD transceiver module
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Cisco

Cisco QDD-800G-DR8 | 800G QSFP-DD800 DR8, 800GBASE-DR8, 1310nm, 500m SMF, dual MPO-12, 8×100G breakout

QDD-800G-DR8

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Description

Parallel single‑mode 800G DR8 transceiver for leaf‑spine and high‑density fabric links up to 500m over OS2 SMF. Provides 8×100G PAM4 lanes at 1310nm with dual MPO‑12 connectors and supports 8×100G breakout deployments. Designed for commercial‑temperature environments.

Features

- High‑density 800G parallel SMF connectivity
- 500 m reach for large campus and data center fabrics
- 8×100G breakout flexibility
- Dual MPO‑12 for streamlined installation
- Standards‑based DR8 interoperability

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

FAQs

Datasheet

Technical Specifications

- Optical standard: 800GBASE‑DR8
- Data rate: 800Gb/s aggregate (8×100G PAM4)
- Wavelength: 1310 nm
- Reach: Up to 500 m over OS2 SMF
- Connector: Dual MPO‑12 (single‑mode)
- Breakout: Supports 8×100G to compatible ports/optics
- Form factor: QSFP‑DD800
- FEC: Host‑based RS‑FEC per IEEE 802.3 requirements
- Operating temperature: 0 to 70°C (commercial)
- Digital diagnostics (DOM/DDM): Supported

FAQs

Q: Can this be used in 8×100G breakout mode?
A: Yes, with appropriate breakout cabling and compatible 100G optics or ports on the far end, your platform can support 8×100G breakout.

Q: What connector type is used?
A: Dual MPO‑12 single‑mode connectors for the 8 parallel 1310nm lanes.

Q: Is special FEC required?
A: Yes. Host‑based RS‑FEC as specified by IEEE 802.3 is required for DR‑class links.

Q: What fiber should I use?
A: Use OS2 single‑mode fiber. Observe MPO polarity and cleanliness best practices.

Datasheet

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