Arista

Arista CAB-Q-Q-100G-1.5 | 100G QSFP28 DAC, 100GBASE-CR4, QSFP28-to-QSFP28, passive Twinax, 1.5m reach

Arista CAB-Q-Q-100G-1.5 | 100G QSFP28 DAC, 100GBASE-CR4, QSFP28-to-QSFP28, passive Twinax, 1.5m reach

SKU:CAB-Q-Q-100G-1.5

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Description

MSA-compliant 100GBASE-CR4 QSFP28-to-QSFP28 passive Twinax DAC for short-reach, low-power 100G links across or between racks. Designed for switches, routers, and NICs with QSFP28 DAC support.

Features

- Ultra-low latency copper link
- Energy-efficient passive design
- Cost-effective short-distance 100G
- Tool-less, secure QSFP28 latching
- MSA and SFF-8665 compliant
- Ideal for in-rack and adjacent-rack cabling

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 this cable passive?
A: Yes. It is a passive QSFP28 DAC; verify that your ports support passive DAC cables.

Q: Are separate optical transceivers required?
A: No. The cable integrates QSFP28 connectors; no optics are needed.

Q: Is this a breakout to 4x SFP28?
A: No. It is a straight 100G QSFP28-to-QSFP28 cable.

Q: Maximum reach for this length?
A: 1.5 meters for 100GBASE-CR4 when used with compatible QSFP28 DAC ports.

Q: Device compatibility?
A: Works with standards-compliant QSFP28 100G ports that allow DAC; consult platform DAC support lists.

Technical Specifications

- Data rate: 100 Gigabit Ethernet (4x25G NRZ)
- Base standard: IEEE 802.3bj 100GBASE-CR4
- Form factor: QSFP28 to QSFP28
- Cable type: Direct Attach Copper (Twinax), passive
- Length: 1.5 meters
- Connector: QSFP28 male to QSFP28 male
- Compliance: QSFP28 MSA, SFF-8665, RoHS
- Use case: Short-reach TOR/leaf-spine interconnects

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