Charmlink 400G optical module series is a high-performance network engine designed for cloud-era data centers. We offer full-scenario coverage, from short-range multimode (SR8) to long-range single-mode (LR4/ER4/ZR). Utilizing high-end optoelectronic chips and advanced thermal design, we reduce power consumption by 15% while ensuring ultimate performance. We are not only a hardware supplier but also a network optimization partner, providing comprehensive technical support from selection and deployment to operation and maintenance, helping customers build efficient, green, and future-proof network infrastructure.

Why is the 400G SR8 the best solution for data center upgrades?

• Hot-pluggable QSFP-DD form factor

• Data Rate 53.125 Gb/s PAM4 per lane

• 8x50Gbps PAM4 transmitter and PAM4 receiver

• Compliant with QSFP-DD MSA, CMIS, and IEEE 802.3

• Including SR8 100m, DR4 500m, FR4 2km, LR4 10km

• Digital diagnostics functions are available via the I2C interface

• low-power consumption

• RoHS compliant

400G Transceiver Selection for Data Centers

Main applications of 400G-QDD-SR8:

• Data center backbone/aggregation layer interconnection

• Data center interconnect (DCI)

• High-end enterprise network and cloud access

• AI/storage network

Automation of production line processes and equipment for high-speed optical modules：