Arista

Arista CAB-Q-Q-2M | 40G DAC | QSFP+ to QSFP+ | 40GBASE-CR4 | twinax passive | wavelength: N/A | reach: 2m | connector: QSFP+

Arista CAB-Q-Q-2M | 40G DAC | QSFP+ to QSFP+ | 40GBASE-CR4 | twinax passive | wavelength: N/A | reach: 2m | connector: QSFP+

SKU:CAB-Q-Q-2M

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Description

Passive twinax direct-attach cable enabling 40GbE QSFP+ links up to 2 meters. Designed for energy-efficient, low-latency short-reach interconnects between switches and servers.

Features

- Simple, plug-and-play 40G QSFP+ connectivity
- Energy-efficient passive copper design
- Cost-effective alternative to short-reach optics
- Low EMI and robust construction
- Optimized for 2m intra-rack or adjacent rack links

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: 40GbE
- Form factor: QSFP+ to QSFP+
- Standard: 40GBASE-CR4 (IEEE 802.3ba)
- Cable type: Passive copper twinax
- Length: 2 meters
- Lane configuration: 4x10G lanes (CR4) straight-through
- Latency: Near-zero (passive)
- Power: No active components in the cable
- Compliance: QSFP+ MSA (SFF-8436)
- Application: Short-reach switch-to-switch and switch-to-server links

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