Product collection

400G Optical Transceivers

400G optical transceivers for AI, HPC and data-centre networks across QSFP-DD, QSFP112 and OSFP form factors. Photon Optics products are manufactured to order with a typical manufacturing and delivery lead time of 2–3 weeks.

Explore 400G optics

Compare available form factors, optical standards, reach, fibre type and connector options. Use each product page for the exact technical specification and Photon SKU.

32 products

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Use these links to compare the technologies represented in the Photon Optics catalogue. The individual product page remains the source for the exact connector, reach and host requirement.

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400G optical transceiver FAQs

Straight answers to common specification, compatibility and purchasing questions. Always use the individual product specification for the final link design.

What is a 400G optical transceiver?

A 400G optical transceiver provides a 400-gigabit optical network interface. Photon Optics lists 400G products across QSFP-DD, QSFP112 and OSFP form factors for AI, HPC and data-centre networks.

What is the difference between 400G DR4, FR4 and LR4?

They describe different optical link designs and reaches. In this catalogue, DR4 products use parallel single-mode optics, while FR4 and LR4 products use wavelength-multiplexed single-mode optics. Always use the exact product specification for connector and reach.

Which form factors are available for 400G?

Photon Optics lists 400G QSFP-DD, QSFP112 and OSFP products. The correct choice depends on the host port, optical standard, connector, fibre and required reach.

Can a 400G optic be used for breakout links?

Some 400G products support lane or breakout architectures, but this is product- and platform-specific. Confirm the exact Photon SKU, host platform and required breakout before ordering.

How much do 400G transceivers cost in the UK?

Public GBP pricing is shown on eligible Photon Optics product pages. Products without a public price are available by quotation. Prices shown are ex VAT unless stated otherwise.

How quickly can Photon Optics supply 400G optics?

Products are manufactured to order. Typical manufacturing and delivery lead time is 2–3 weeks.

Are Photon Optics 400G modules compatible with NVIDIA, Arista or Cisco?

Compatibility is product and platform specific. Photon Optics only publishes compatibility where approved evidence is available; provide the host platform and required link specification for confirmation.

Need a coded or compatible version?

Tell us the host platform and required link specification. Compatibility is confirmed against approved evidence before it is published.

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