Arista

Arista CAB-Q-4S-100G-2M | 100G↔4×25G | QSFP28→4×SFP28 | 100GBASE-CR4 / 25GBASE-CR | DAC twinax (copper) | 2m reach

Arista CAB-Q-4S-100G-2M | 100G↔4×25G | QSFP28→4×SFP28 | 100GBASE-CR4 / 25GBASE-CR | DAC twinax (copper) | 2m reach

SKU:CAB-Q-4S-100G-2M

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Description

QSFP28 to 4×SFP28 breakout direct-attach copper (DAC) that splits a single 100G port into four 25G links for server or leaf connectivity. Suited to dense racks where short, reliable, and low-power fan-out cabling is required. Length: 2 meters.

Features

- Consolidates four 25G links into one QSFP28 host port
- Low power and latency versus optical transceivers
- Durable twinax copper for short-reach reliability
- Hot-swappable connectivity
- CR-standard breakout for broad ecosystem support

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

- Aggregate speed: 100 Gbps; breakout: 4×25 Gbps legs
- Form factor: QSFP28 to 4× SFP28
- Base standards: 100GBASE-CR4 (QSFP28 side) / 25GBASE-CR (SFP28 legs)
- Cable type: Direct Attach Copper (Twinax)
- Length: 2 meters
- Wavelength: N/A (copper)
- Connectors: QSFP28 host end; 4× SFP28 device ends
- Use case: Breakout of 100G to 4×25G for servers, storage, or leaf switches
- Requirements: Host QSFP28 port must support 4×25G breakout mode

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