GIGALIGHT 200G QSFP-DD PSM8 20km optical transceiver modules are used for medium to long distance interconnections in data centers and are compliant with 100G PSM4 MSA specification and 200G Ethernet transport protocols, as well as compatible with 8x10G/25G Ethernet and InfiniBand. GIGALIGHT 200G QSFP-DD PSM8 20km optical transceiver modules are used for medium to long distance interconnections in data centers and are compliant with 100G PSM4 MSA specification and 200G Ethernet transport protocols, as well as compatible with 8x10G/25G Ethernet and InfiniBand. The 200G transceiver represents a critical advancement in high-speed optical connectivity, delivering the performance and efficiency needed for modern data centers, cloud networks, and 5G infrastructure. Designed in compact form factors such as QSFP56 and QSFP-DD, these transceivers support 200G. The Cisco ® family of QSFP modules provide solutions for AI/ML data center applications, Network Interface Cards (NICs) on servers, and for data center switches, while leveraging the breakout capabilities and backward compatibility to lower-speed QSFP pluggable modules and cables. The Cisco. Optical modules are optoelectronic devices that perform photoelectric and electro-optic conversions. Optical modules are classified by their packaging forms, with common types including SFP, SFP+, SFP28, QSFP+, QSFP28, QSFP56, QSFP56, QSFP112, and. Addressing this critical need, NVIDIA's Mellanox division today announced its groundbreaking series of 200G QSFP56 Mellanox optical transceiver modules. These new transceivers are engineered to deliver exceptional performance while significantly reducing power consumption, establishing a new. The term QSFP56 refers to a high-speed pluggable optical transceiver form factor designed for 200G Ethernet and InfiniBand networking environments. The name itself comes from several key components: As a result, the total aggregate bandwidth reaches 200Gbps, typically using PAM4 modulation.