DAC 400G OSFP to 4x 100G QSFP56 passive breakout

Vitex Part #: D4C-P4QyyyC-AA

The V4C-P4QyyC-ENA is a 400G OSFP400 to 4xQSFP56 100G InfiniBand HDR Direct Attach Copper (DAC) breakout cable. It features an OSFP TYPE2 module compliant with the OSFP MSA and QSFP modules compliant with SFF-8665. Supporting transmission data rates up to PAM4 53.125Gbps per channel, it enables 400Gb/s to 4x100Gb/s transmission over link lengths up to 3 meters. This cable includes built-in EEPROM functions and operates within a case temperature range of 0°C to +70°C.

Features
Specifications
Applications
FAQs
Datasheet

OSFP TYPE2 Module compliant to OSFP MSA QSFP Module compliant to SFF-8665
Transmission data rate up to PAM4 53.125Gbps per channel Enable 400Gb/s to 4x100Gb/s
Transmission Link length up to 3m Built-in EEPROM functions Operating case temperature 0°C to +70°C
RoHS2.0 compliant

Category	Direct Attach Cables (DACs)
Form Factor	OSFP
Data Rate	400G
Distance	500m
Cable Length	Up to 3m
Protocol	InfiniBand
Temperature	Commercial (0–70°C)
Extender Type	Cable

AI Data Centers Data Center Interconnect High Performance Computing (HPC)

Q: What data rate does this Direct Attach Copper (DAC) cable support?
A: This Direct Attach Copper (DAC) cable supports 400G with OSFP connectors.

Q: What is the maximum cable length?
A: This cable supports lengths up to 500m.

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 AI Data Centers, Data Center Interconnect, High Performance Computing (HPC) environments.

Technical Documentation

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

Download Datasheet PDF

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