Arista

Arista CAB-Q-S-5M | QSFP+→4xSFP+ DAC | 40G→4x10G | 40GBASE-CR4/10GBASE-CR | 5m | Twinax | Breakout

Arista CAB-Q-S-5M | QSFP+→4xSFP+ DAC | 40G→4x10G | 40GBASE-CR4/10GBASE-CR | 5m | Twinax | Breakout

SKU:CAB-Q-S-5M

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Description

Extended-reach QSFP+ to 4x SFP+ twinax DAC breakout for 40G-to-4x10G connectivity up to 5 meters, ideal for adjacent rack spans and lab builds.

Features

- Longer twinax reach for flexible rack layouts
- Consolidates four 10G links from a single 40G port
- Integrated assembly reduces points of failure and cost
- MSA-compliant for broad device interoperability
- Secure latching connectors and robust twinax build

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 the 5m breakout passive or active?
A: 5m DAC assemblies may be implemented as active or passive depending on revision and platform requirements. Verify support with your switch/NIC documentation.

Q: Does my QSFP+ port need special configuration?
A: Yes, ensure the port is set to breakout/split mode to present four 10G interfaces.

Q: Can I use this for inter-rack connections?
A: Yes, 5m DACs are commonly used for adjacent or nearby racks where copper is preferred over fiber.

Q: Do I need separate optics or patch cables?
A: No, this is a complete integrated cable assembly.

Technical Specifications

- Interface/form: QSFP+ to 4x SFP+ breakout (1x40G → 4x10G)
- Data rate: 40GbE aggregate; 4x 10GbE lanes
- Standards: IEEE 802.3ba (40G), IEEE 802.3ae (10G); MSA SFF-8436, SFF-8431
- Cable type: Direct-Attach Copper (DAC), twinax
- Length/reach: 5 meters
- Connector ends: QSFP+ plug ↔ 4x SFP+ plugs
- Wavelength: n/a (copper)
- Typical power: Low-power integrated electronics (if active) or near-zero (if passive), platform-dependent
- Operating temperature: 0°C to 70°C
- Compliance: RoHS

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