AP-Q56-400G-DR4400G QSFP-DD DR4
500 m SMF / Datasheet + test outlineRequestUK.400GHigh-speed optics
400G and 800G optics for dense European networks.
A high-speed product path that balances product recommendation, compatibility review, thermal planning and commercial rollout support.
01Recommended lines
Compare 400G and 800G options.
Products are framed as project-ready options instead of one long list.
400G
400G QSFP-DD DR4 / FR4 / LR4
Short and medium reach paths for cloud, DCI and backbone refresh.
View product 800G800G OSFP / QSFP-DD
Pre-sales discussion path for AI rack and next-generation fabrics.
Request pack Cable400G DAC / AOC
Short-reach commercial options for rack and pod interconnects.
Ask for cable fit02Planning matrix
Choose by reach and risk.
High-speed buyers need clarity on reach, optics type and operational concerns.
| Path | Reach | Best use | Sales note |
|---|---|---|---|
| 400G DR4 | 500 m SMF | Leaf-spine, AI and data centre links | Review breakout and fibre plan |
| 400G FR4 | 2 km SMF | Campus and metro-adjacent DCI | Check power budget and switch support |
| 400G LR4 | 10 km SMF | Longer DCI and backbone | Confirm thermal envelope and documents |
| 800G DR8 | 500 m SMF | High-density AI clusters | Discuss sample route before rollout |
03Documents
Request high-speed product files.
Protected files can be released through a business request path with target application and quantity.
UK.99Sales support
Send your device list and project context.
Astra Photon can return a practical product recommendation, compatibility route and document pack for your UK or European project.