Hot-pluggable OSFP with finned or closed-top heatsinks. 5Gbps with PAM4 signaling and connector flexibility (LC, MPO, CS). Executive Summary for Network Architects: Choosing between QSFP-DD, QSFP28, or OSFP is not a superficial design choice-it is a foundational structural decision. Your selection dictates your faceplate density, your path to next-gen 800G/1. The Cisco 400GBASE Quad Small Form-Factor Pluggable Double Density (QSFP-DD) portfolio offers customers a wide variety of super high-density transceiver modules and the flexibility of 400 Gigabit Ethernet connectivity options for data center, high- performance computing networks, enterprise core. The FS® 400GBASE Quad Small Form-Factor Pluggable Double Density (QSFP-DD) portfolio offers customers a wide variety of super high-density transceiver modules and the flexibility of 400 Gigabit Ethernet connectivity options for data center, high- performance computing networks, enterprise core and. The Cisco 400G QSFP-DD Ultra Long-Haul Coherent Optics Module enables 400G traffic anywhere over dense wavelength division multiplexing amplified networks, and is available in both C-band and L-band. Cisco has expanded the range of 400G digital coherent QSFP-DD transceivers with the 400G QSFP-DD. A 400G optical module performs photoelectric conversion: With a 400 Gbps transmission rate, these modules support industry evolution from 100M → 1G → 25G → 40G → 100G → 400G → 1T. They form the backbone of high-throughput data center networks and AI clusters. What standards and packaging types. Browse Smartoptics optical transceivers with flexible search and filtering options across a range of bit rates, form factors, media types, and protocols for all your network needs. A QSFP-DD form-factor OpenROADM and OIF 800ZR MSA transceiver for 400 - 800Gbps Ethernet applicat.