• Arista 200G QSFP-DD to 4x50G QSFP DAC breakout cable, 2.5m
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Arista

Arista CAB-D-4Q-200-2.5 | 200G QSFP-DD to 4x 50G QSFP Breakout DAC Cable, 2.5m

CAB-D-4Q-200-2.5

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Description

This passive twinax direct-attach breakout cable connects one 200G QSFP-DD port to four 50G QSFP ports, supporting 200GBASE-CR8 and 50GBASE-CR2 signalling. At 2.5m in length, it suits short in-rack and adjacent-rack runs where a copper link between a high-density 200G switch port and multiple 50G devices is needed. The passive copper construction avoids the cost and complexity of optical transceivers for short-reach data centre connections.

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

Features

- One-to-four breakout from a single 200G QSFP-DD port to four 50G QSFP ports
- Passive twinax copper construction with no power draw from the cable itself
- Direct-attach design for short-reach links within and between adjacent racks
- 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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specs-tabs

Technical Specifications

FAQs

Technical Specifications

- Connector A: QSFP-DD (200G)
- Connector B: 4x 50G QSFP breakout
- Standards: 200GBASE-CR8 / 50GBASE-CR2
- Media: Passive twinax copper
- Length: 2.5m

FAQs

Q: What does this cable connect?
A: It connects one 200G QSFP-DD port on one end to four 50G QSFP ports on the other end, splitting a single high-speed port into four lower-speed links.

Q: Is this an active or passive cable?
A: It is a passive twinax copper cable, so it contains no active signal-conditioning electronics and relies on the host ports for signal drive.

Q: How long is the cable?
A: This SKU is 2.5m in length, which suits short links within a rack or to an adjacent rack.

Q: What Ethernet standards does it use?
A: The cable is specified for 200GBASE-CR8 on the QSFP-DD side and 50GBASE-CR2 on each of the four breakout legs.

Q: Can it be used for long-distance links?
A: No. Passive copper DAC cables are intended for short-reach connections. For longer distances, optical transceivers with fibre cabling are the appropriate choice.

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