QSFP-DD optical module for reliable 400G fiber connections, perfect for distances beyond DAC reach, up to 100 meters! The module includes built-in digital diagnostics for optical power, voltage, temperature, laser bias current, and other key parameters. Quad Small Form-factor Pluggable Double Density (QSFP-DD) solution that fits into high-density switch and router client ports for optical interconnect links Powered by Greylock and Delphi DSP ASICs, and silicon photonic integrated circuits (PICs) for an optimized co-packaged design with 3D. Cisco offers a comprehensive range of pluggable optical modules in the Cisco® pluggables portfolio. The wide variety of modules gives you flexible and cost-effective options for all types of interfaces. Cisco offers a range of GBIC, SFP, XFP, SFP+, CXP, CFP, Cisco CPAK, and QSFP+ pluggable modules. It is being developed by the QSFP-DD MSA as a key part of the industry's effort to enable high-speed solutions. QSFP-DD extends the use. The GIGALIGHT 400G QSFP-DD pluggable optical transceiver modules support 400G Ethernet and InfiniBand HDR/NDR data rates. This portfolio includes VR4 50m, SR4/SR8 100m, DR4 500m, DR4+/FR4/2×FR4/FR8/PSM8 2km, DR4++/LR4/LR8/PSM8 10km,PSM DWDM4 30km etc. Power Dissipation The GIGALIGHT 400G.