Arista

Arista CAB-Q-Q-100G-2.5 | 100G QSFP28 DAC, 100GBASE-CR4, QSFP28-to-QSFP28, passive Twinax, 2.5m reach

Arista CAB-Q-Q-100G-2.5 | 100G QSFP28 DAC, 100GBASE-CR4, QSFP28-to-QSFP28, passive Twinax, 2.5m reach

SKU:CAB-Q-Q-100G-2.5

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Description

QSFP28 100GBASE-CR4 passive Twinax DAC for dependable short-reach 100G links up to 2.5 meters between switches, routers, and NICs that support QSFP28 DAC. MSA-compliant for broad interoperability.

Features

- Reliable 100G short-reach copper link
- Economical alternative to optical transceivers
- Low-latency, low-power passive design
- QSFP28 MSA-compliant for broad compatibility
- Secure, easy-install latching connectors
- Optimized for in/near-rack deployments

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 or active?
A: Passive. Ensure your equipment supports passive QSFP28 DAC.

Q: Are additional transceivers required?
A: No. The cable includes integrated QSFP28 connectors.

Q: Is this a 4x25G breakout cable?
A: No. It is a straight QSFP28-to-QSFP28 100G cable.

Q: What distance does this cable support?
A: Up to 2.5 meters for 100GBASE-CR4 with compatible QSFP28 DAC ports.

Q: Is it interoperable across vendors?
A: It follows QSFP28 MSA and 100GBASE-CR4 standards; confirm device DAC interoperability policies.

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: 2.5 meters
- Connector: QSFP28 male to QSFP28 male
- Compliance: QSFP28 MSA, SFF-8665, RoHS
- Use case: Short-reach 100G interconnects between adjacent racks

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