DAC 100G QSFP28 to 4x 25G SFP28 passive breakout

Vitex Part #: D1C-Q4SyyyC-AA

V1C-Q4SyyyC-EA is a high performance and cost-effective solution for SFP28 and QSFP28 equipment interconnects.

Features
Specifications
Applications
FAQs
Datasheet

Supporting 100 Gbps to 4 x 25 Gbps
Support data rates: 25.78Gb/s (per channel) IEEE 802.3bj 100GEBASE-CR4 and P802.3 by compliance
Compatible with SFP28 MSA and QSFP28 MSA
Compatible with SFF-8402, SFF-8432, and SFF8665 High-Density QSFP28 38-PIN and 4x SFP28 20-PIN Connector Copper link length up to 3m Power Supply: +3.3V Low crosstalk I2C based two-wire serial interface for EEPROM signature which can be customized Operating
Temperature: 0~70°C
RoHS Compliant

Category	AOCs (Active Optical Cables)
Form Factor	QSFP28
Data Rate	100G
Distance	<100m
Cable Length	Up to 3m
Protocol	Ethernet
Temperature	Commercial (0–70°C)
Extender Type	Cable

Enterprise Networking Storage Area Networks (SAN)

Q: What data rate does this Direct Attach Copper (DAC) cable support?
A: This Direct Attach Copper (DAC) cable supports 100G with QSFP28 connectors.

Q: What is the maximum cable length?
A: This cable supports lengths up to <100m.

Q: When should I use a Direct Attach Copper versus an AOC?
A: DACs are best for short-distance connections (typically under 5m) within a rack or between adjacent racks. They offer lower latency and cost than AOCs for short runs. For longer distances, consider an AOC.

Q: What applications is this cable designed for?
A: It is suited for Enterprise Networking, Storage Area Networks (SAN) environments.

Technical Documentation

Access comprehensive technical specifications, mechanical diagrams, and validation reports.

Download Datasheet PDF

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Every Vitex optical product undergoes optical testing, interoperability validation, and system-level verification to ensure performance, reliability, and long-term availability in production networks.

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