Arista

Arista CAB-D-2Q-200-2.5 | 200G DAC breakout | QSFP-DD→2×100G QSFP | 200GBASE-CR8/100GBASE-CR4 | passive twinax | 2.5m

Arista CAB-D-2Q-200-2.5 | 200G DAC breakout | QSFP-DD→2×100G QSFP | 200GBASE-CR8/100GBASE-CR4 | passive twinax | 2.5m

SKU:CAB-D-2Q-200-2.5

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Description

High-density 200G passive DAC breakout for short-reach rack interconnects. One QSFP-DD 200G port fans out to two 100G QSFP ports over low-latency twinax copper, ideal for leaf–spine or server aggregation where breakout support is required.

Features

- Low-latency, low-power passive copper for short-reach links
- Space-efficient 1:2 breakout from a single 200G port
- Tool-less latching QSFP-DD/QSFP connectors for quick deployment
- Robust twinax shielding for reduced crosstalk and EMI
- Optimized for leaf–spine and server aggregation breakouts

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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FAQs

Technical Specifications

FAQs

Q: Is this an active or passive cable?
A: It is a passive twinax DAC.

Q: Do I need separate transceivers?
A: No, the QSFP-DD and QSFP ends are integrated; no separate optics are required.

Q: What is the maximum supported length?
A: 2.5 meters.

Q: Will this work with any switch?
A: It requires QSFP-DD/QSFP ports that support DAC breakouts; check your platform’s compatibility and breakout support.

Q: Does it support FEC/auto-negotiation?
A: It relies on the host ports for FEC/negotiation as defined by the 200GBASE-CR8/100GBASE-CR4 standards.

Technical Specifications

- Cable type: Direct Attach Copper (Twinax), passive
- Aggregate speed: 200 Gb/s
- Breakout: 1× QSFP-DD (200G) to 2× QSFP (100G each)
- Standards: 200GBASE-CR8 at QSFP-DD end; 100GBASE-CR4 at QSFP ends
- Lane mapping: 8 lanes total → 2×(4 lanes)
- Reach: 2.5 meters
- Connectors: QSFP-DD (host) to 2× QSFP (remote)
- Power: Passive (no external power, ultra‑low power draw from host)
- Use case: Top-of-rack and in-rack short-reach breakout

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