400G Optical Modules

Discover what CMIS is and why it’s vital for managing modern optical modules (QSFP-DD, OSFP, etc.). Learn how LINK-PP’s future-ready modules comply with CMIS .

Explore the technology behind 400 G QSFP‑DD transceivers, including form factor, modulation, optical lanes, and thermal design.

The LINK-PP LQD-CW400-LR4C 400G QSFP-DD LR4 Transceiver offers 10km range, 400Gbps speed, and energy efficiency, ideal for data centers and enterprise networks.