Cisco

Cisco NXA-QDD-CU2M | 400G QSFP-DD DAC | 400GBASE-CR8 | passive copper | 2m reach | QSFP-DD to QSFP-DD

SKU:NXA-QDD-CU2M

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Description

High-density 400G QSFP-DD passive copper DAC for short-reach, ultra‑low‑latency interconnects between 400G ports on data center switches and servers. Ideal for in‑rack or adjacent‑rack links where powerless operation, reliability, and simplicity matter.

Features

- Ultra‑low latency, short‑reach 400G connectivity
- Powerless, cost‑effective alternative to optical transceivers
- QSFP‑DD to QSFP‑DD convenience for quick, reliable installs
- Robust twinax construction with secure latching

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

- Cable type: Direct Attach Copper (DAC), passive
- Form factor: QSFP-DD (both ends)
- Data rate: up to 400 Gbps aggregate
- Ethernet standard: 400GBASE-CR8
- Length: 2 meters
- Connector: QSFP-DD to QSFP-DD
- Media: Twinax copper
- Typical use: 400G ToR switch-to-switch/server short-reach links
- Power requirement: None (passive cable)
- Note: Requires QSFP-DD 400G ports; not compatible with QSFP28/QSFP56-only ports

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