Arista

Arista CAB-Q-2Q-100G-5M | 100G to 2x50G DAC | QSFP28 to 2x QSFP28 | 100GBASE-CR4 / 50GBASE-CR2 | Copper (no wavelength) | 5m | Twinax Direct Attach

Arista CAB-Q-2Q-100G-5M | 100G to 2x50G DAC | QSFP28 to 2x QSFP28 | 100GBASE-CR4 / 50GBASE-CR2 | Copper (no wavelength) | 5m | Twinax Direct Attach

SKU:CAB-Q-2Q-100G-5M

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Description

Direct-attach copper breakout cable for 100G to two 50G short-reach links in data center fabrics. QSFP28 to 2x QSFP28 with IEEE 802.3 CR compliance for seamless, low-latency connectivity where 100G→2x50G breakout is supported.

Features

- 100G to 2x50G breakout for efficient port utilization
- 5m reach for flexible rack layouts
- Passive, low-cost, zero-power interconnect
- QSFP28 on all ends for broad ecosystem support
- Robust twinax construction with secure latching
- Standards-aligned for reliable plug-and-play

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

Technical Specifications

- Data rate: 100G aggregate to 2x 50G breakout
- Standards: 100GBASE-CR4 and 50GBASE-CR2
- Form factors: QSFP28 (host) to 2x QSFP28 (breakout)
- Cable type: Direct Attach Copper (Twinax), passive
- Length: 5 meters
- Lanes: 4 lanes (100G) fanned to 2x 2 lanes (50G each)
- Low latency, zero power consumption
- Use cases: switch-to-NIC or switch-to-switch breakout over slightly longer in-rack runs
- Compliance: IEEE 802.3 CR, SFF-based QSFP28 management

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