Arista

Arista CAB-D-2Q-200G-2M | 200G DAC breakout | QSFP-DD→2×100G QSFP28 | 200GBASE-CR8/100GBASE-CR4 | passive twinax | 2m reach | connectors: QSFP-DD to 2×QSFP28

Arista CAB-D-2Q-200G-2M | 200G DAC breakout | QSFP-DD→2×100G QSFP28 | 200GBASE-CR8/100GBASE-CR4 | passive twinax | 2m reach | connectors: QSFP-DD to 2×QSFP28

SKU:CAB-D-2Q-200G-2M

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Description

Passive twinax DAC breakout cable for short‑reach 200G to dual 100G links. Ideal for high‑density TOR/leaf‑spine interconnects where ultra‑low latency and low power are critical. Requires ports that support breakout and CR standards.

Features

- Efficient 200G→2×100G breakout for scalable spine/leaf designs
- Ultra‑low latency and minimal power draw
- Secure latching QSFP-DD/QSFP28 connectors
- Reliable short‑reach performance for data center racks
- Simple plug‑and‑play deployment

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; no separate optics or power are required.

Q: What equipment compatibility is required?
A: Devices must support 200GBASE-CR8 on the QSFP-DD host port and 100GBASE-CR4 on the QSFP28 remote ports, as well as 1:2 breakout mode.

Q: Is there any optical wavelength associated with this cable?
A: No. It is a copper DAC with no optical components or wavelength.

Q: Does it require separate transceivers?
A: No. The QSFP-DD and QSFP28 ends are integrated; no additional transceivers are needed.

Technical Specifications

- Host speed: 200G (breaks out to 2×100G)
- Form factors: QSFP-DD (host) to 2×QSFP28 (remotes)
- Standards: 200GBASE-CR8 to 2×100GBASE-CR4
- Cable type: passive twinax copper (DAC)
- Length: 2 meters
- Typical application: 1:2 breakout between 200G switch port and two 100G ports
- Low latency, near‑zero power consumption
- Short‑reach intra‑rack/inter‑rack connectivity
- Connector gender: QSFP-DD male to 2×QSFP28 male
- Breakout ratio: 1:2 (8 lanes → 2×4 lanes)

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