• Cisco CVR-4SFP10G-QSFP QSFP+ to 4x SFP+ breakout adapter
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Cisco

Cisco CVR-4SFP10G-QSFP | QSFP+ to 4x SFP+ reverse breakout adapter | 4x10G fan-out | form: QSFP+ host to 4x SFP+ bays | base: 40GbE breakout (4x10G) | wavelength/reach: per installed SFP+ | connector: QSFP+ cage + 4x SFP+ receptacles

CVR-4SFP10G-QSFP

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Description

Enable 4x10GbE from a single QSFP+ port using standard SFP+ optics or DAC/AOC, ideal for high-density 10G aggregation and migration from 40G. Transparent, passive design; performance and reach depend on the installed SFP+ modules and platform support for 4x10G breakout.

Features

- Converts one QSFP+ port into four independent 10G SFP+ interfaces
- Leverages existing SFP+ optics or DAC/AOC for flexible distances
- Passive, transparent design with no power or configuration required
- Cost-effective 10G aggregation and phased migration from 40G
- Compact form factor for high-density switching environments

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

- Host interface: QSFP+ (40G, breakout capable)
- Downlink bays: 4 x SFP/SFP+ (10G)
- Supported mode: 4x10GbE fan-out from a single 40G port
- Operation: Passive mechanical/PHY adapter (no optics onboard)
- Optic/DAC support: Per platform; accepts SFP+ SR/LR/ER/CU DAC/AOC where supported
- Speed compatibility: 10G only on SFP+ bays (not SFP28/25G)
- Wavelength/reach: Determined by installed SFP+ modules
- Management: Transparent to host; no software configuration beyond 4x10G breakout mode
- Use cases: 10G aggregation, incremental 40G-to-10G migration, TOR fan-out

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