AP-Q56-400G-DR4400G QSFP-DD DR4
500 m SMF / Datasheet + test outlineRequestAP.400GHigh-speed optics
400G and 800G optics for dense European networks.
Compare high-speed optics by form factor, reach, thermal limits, host support and rollout requirements.
01Recommended lines
Compare 400G and 800G options.
Compare 400G, 800G and short-reach interconnect options by project requirement.
400G
400G QSFP-DD DR4 / FR4 / LR4
Short and medium reach paths for cloud, DCI and backbone refresh.
View product 800G800G OSFP / QSFP-DD
Product and device review for AI racks 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.
Send the product, application, device and quantity details needed to identify the applicable file.
Decision evidence
Check the evidence before you shortlist.
AP.99Sales support
Send your device list and project context.
Astra Photon can return a practical product recommendation, compatibility route and technical document pack for your project.