400G QSFP28-DD SR8

Vitex Part #: VD-4CSR8CP-AA

Vitex VD-4CSR8CP-AA is designed for 400G optical connections of up to 70m on OM3 and 100m using OM4 or OM5 MMF cables. The transceiver is a fully integrated optical transceiver using an eight channel VCSEL array and eight channel PIN photodiode array to operate at 425 Gbps. They are compliant with QSFP-DD MSA and IEEE 802.3cd 400GBASE-SR8 standards.

Features
Specifications
Applications
FAQs
Datasheet

Compliant with IEEE Std 802.3cd, 400GBASE-SR8 Ethernet
Compliant with QSFP-DD MSA
Compliant with QSFP-DD Management interface specifications MPO16 APC Male connector receptacle 8 channels 850nm VCSEL array 8 channels PIN photo detector array
Up to 425Gb/s data rates Single +3.3V power supply
Commercial operating temperature: 0°C to 70°C
Up to 70m on OM3 MMF and 100m on OM4 or OM5 MMF
Support breakout

Form Factor	QSFP-DD
Data Rate	400G
Wavelength	850nm
Distance	<100m
Connector	MPO-16
Protocol	Ethernet
Temperature	Commercial (0–70°C)

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

Q: What is the 400G QSFP28-DD SR8?
A: It is a 400G optical transceiver in the QSFP-DD form factor, supporting Ethernet with a reach of <100m over Multi-Mode Fiber (MMF).

Q: What is the maximum transmission distance?
A: This transceiver supports up to <100m over Multi-Mode Fiber (MMF) at 850nm.

Q: What connector type does this use?
A: It uses a MPO-16 connector with Multi-Mode Fiber (MMF).

Q: What applications is this designed for?
A: It is designed for AI Data Centers, Data Center Interconnect, High Performance Computing (HPC).

Q: Is this module compatible with my switch or router?
A: This transceiver is QSFP-DD MSA compliant, meaning it is designed to work with any platform that supports the QSFP-DD standard. Contact Vitex engineering to confirm compatibility with your specific hardware.

Technical Documentation

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

Download Datasheet PDF

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I am using the transceivers in our network. Impressed with their BER performance.

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Built For Real Deployment Environments

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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