• Arista 200G QSFP-DD to 4x QSFP28 DAC breakout cable, 1m black silver
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Arista

Arista CAB-D-4Q-200G-1M | 200G QSFP-DD to 4x QSFP28 Breakout DAC, 1m, Passive

CAB-D-4Q-200G-1M

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Description

This 200G direct attach copper breakout cable connects a single QSFP-DD port to four QSFP28 ports over 1m of passive twinax. It supports 200GBASE-CR8 on the QSFP-DD end and 50GBASE-CR2 on each QSFP28 end, making it a cost-effective option for short-reach top-of-rack links between high-density switch ports and multiple downstream devices. With no active electronics or optics, it is suited to in-rack and adjacent-rack data centre deployments.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Breakout from one QSFP-DD port to four QSFP28 ports
- Passive twinax construction with no active electronics
- Copper medium, no optical transceivers required
- Suited to short-reach in-rack and adjacent-rack connections
- Supports 200GBASE-CR8 and 50GBASE-CR2 signalling

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

Technical Specifications

- Cable type: passive twinax direct attach copper (DAC) breakout
- Length: 1m
- Aggregate data rate: 200G
- Host-side connector: QSFP-DD
- Breakout connectors: 4x QSFP28
- Standards: 200GBASE-CR8 / 50GBASE-CR2
- Medium: copper (no wavelength)

FAQs

Q: What does this cable connect?
A: It connects one QSFP-DD port on one end to four separate QSFP28 ports on the other end, splitting a 200G port into four lower-speed links.

Q: Is this an active or passive cable?
A: It is a passive twinax direct attach copper cable, so it contains no active electronics or optics.

Q: What reach does this cable support?
A: This SKU is 1m in length, intended for short-reach connections within a rack or to an adjacent rack.

Q: Which standards does it align with?
A: It is described as 200GBASE-CR8 on the QSFP-DD side and 50GBASE-CR2 on each QSFP28 breakout leg.

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