Skip to product information
1 of 1

Cisco

Cisco QDD-400G-LR8-S | 400G QSFP-DD | 400GBASE-LR8 | 1310 nm LAN‑WDM (8λ) | 10 km SMF | Duplex LC

SKU:QDD-400G-LR8-S

Regular price POA
POA
POA
Sale Sold out
Taxes included. Shipping calculated at checkout.

Description

Standards-based 400GbE LR8 QSFP‑DD module for 10 km links over OS2 single‑mode fiber using 8x50G PAM4 LAN‑WDM and duplex LC. Ideal for long‑reach aggregation and data center interconnect requiring IEEE 802.3bs compliance.

Features

- 10 km reach on SMF using duplex LC simplifies cabling
- IEEE 802.3bs 400GBASE‑LR8 for predictable interoperability
- High‑density QSFP‑DD for compact 400G deployments
- CMIS/DOM for monitoring optical power and module health
- PAM4 modulation with host RS‑FEC for robust 400G performance

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.

View full details
  • You may also like
  • Best sellers
  • Related Products

specs-tabs

Collapsible content

Technical Specifications

Technical Specifications

- Form factor: QSFP-DD
- Data rate: 400 Gigabit Ethernet
- Optical standard: 400GBASE-LR8 (8x50G PAM4, IEEE 802.3bs)
- Wavelengths: 1310 nm LAN‑WDM (8 λ)
- Fiber type: Single-Mode (OS2/G.652)
- Reach: up to 10 km
- Connector: Duplex LC (UPC)
- Host FEC: RS-FEC required on host
- Digital diagnostics: DDM/DOM supported (via CMIS)
- Operating temperature: 0 to +70 °C (standard)

Recently Viewed

  • Request for a Quote

    Looking for competitive pricing? Submit a request, and our team will provide a tailored quote that fits your needs.

  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Call us Now  
  • Contact Us Directly

    Have a question or need immediate assistance? Call us for expert advice and real-time support.

    Contact us