• Arista CAB-Q-S-0.5M 0.5m QSFP+ to 4xSFP+ passive twinax DAC cable
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Arista

Arista CAB-Q-S-0.5M | QSFP+ to 4x SFP+ Breakout DAC Cable, Passive Twinax, 0.5m

CAB-Q-S-0.5M

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Description

This passive twinax copper breakout cable splits one 40G QSFP+ port into four 10G SFP+ connections over a 0.5m length. It supports 40GBASE-CR4 to 4 x 10GBASE-CR links between Arista switch ports or host adapters. Passive copper construction avoids powered optics, making it suited to short in-rack or adjacent-rack connections where low latency and low power draw matter.

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

Features

- Connects a 40G QSFP+ port to four 10G SFP+ ports
- Passive copper with no powered optics, for low latency and low power
- Suited to in-rack or adjacent-rack connections
- Part of Arista's 40GBASE-CR4 to 4x10GBASE-CR copper cable range

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

- 40GBASE-CR4 QSFP+ to 4 x 10GBASE-CR SFP+ breakout
- Passive twinax copper
- Length: 0.5m
- Aggregate rate: 40Gbps (4 x 10Gbps)
- Connectors: 1 x QSFP+ to 4 x SFP+

FAQs

Q: What does this cable connect?
A: It connects one 40G QSFP+ port to four 10G SFP+ ports, splitting the 40G port into four independent 10G links.

Q: Is this an active or passive cable?
A: It is a passive twinax copper cable, so it has no powered optics and is suited to short-reach connections.

Q: How long is the cable?
A: This SKU is 0.5m, intended for in-rack or adjacent-rack connections.

Q: What is the total bandwidth?
A: The aggregate rate is 40Gbps, made up of four 10Gbps links.

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