• Arista CAB-Q-Q-100G-2M 100G QSFP28 DAC Twinax cable with black QLC SAS and silver connectors
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Arista

Arista CAB-Q-Q-100G-2M | 100G QSFP28 DAC Transceiver, Passive Twinax, 2m, 30AWG

CAB-Q-Q-100G-2M

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Description

This 100GBASE-CR4 direct attach cable connects two 100G QSFP28 ports using passive Twinax copper over a 2 metre reach. Built with 30 AWG cabling, it is a low-power, cost-effective option for short in-rack and adjacent-rack 100GbE links in data centre and campus aggregation environments. Its hot-swappable QSFP100 connectors support high-density deployments, and it is part of the CAB-Q-Q-100G family.

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

Features

- Passive design with no signal amplification
- Hot-swappable QSFP100 form factor for high-density 100G deployments
- Low-cost, low-power option for short 100G links within a rack or between adjacent racks
- Same CAB-Q-Q-100G family is also available in 0.5, 1, 1.5, 2.5, 3 and 5 m lengths

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

- Standard: 100GBASE-CR4 (IEEE 802.3bj)
- Connectors: QSFP28 to QSFP28 (QSFP100)
- Cable type: passive Twinax copper
- Length: 2 metres
- Wire gauge: 30 AWG
- Bend radius: 45 mm
- Minimum EOS version: 4.15.2

FAQs

Q: What type of link does this cable provide?
A: It provides a 100GBASE-CR4 link between two QSFP28 (QSFP100) ports using passive Twinax copper over a 2 metre length.

Q: Is this a passive or active cable?
A: It is a passive cable, so there is no signal amplification. This keeps power consumption low and suits short in-rack or adjacent-rack connections.

Q: What minimum EOS version is required?
A: The CAB-Q-Q-100G family requires a minimum EOS version of 4.15.2.

Q: How does this differ from other CAB-Q-Q-100G lengths?
A: The family shares the same 100GBASE-CR4 QSFP28-to-QSFP28 design and differs by length. This SKU is the 2 metre, 30 AWG version, while other lengths include 0.5, 1, 1.5, 2.5, 3 and 5 m.

Q: Can it be used for longer runs between distant racks?
A: Passive copper DACs are intended for short reach. For longer distances, an optical transceiver or active optical cable is the better choice.

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