Amphenol's QSFP-DD high-speed connector family features a scalable, high-performance interconnect platform with 76 contacts on a 0. 8mm pitch and a dual-mating interface. This. QSFP-DD (quad small form-factor pluggable double density) doubles the capacity of QSFP interconnects with an eight-lane electrical interface capable of 28 Gbps NRZ, 56 Gbps PAM4, and 112 Gbps PAM4 to achieve up to 800 Gbps per port. This will include a mechanical module, a 2x1 Cage with connector, thermal, pinout and management specifications. The QSFP-DD will be able to support both optical and. Network operators are looking for cost-optimized optical solutions that provide increased density and reduced power consumption—across high-speed as well as legacy ports—without sacrificing network performance or reliability. © 2023 Cisco and/or its affiliates. Quad Small. This article provides a comprehensive comparison of mainstream optical transceivers, including SFP, SFP+, QSFP+, QSFP28, and QSFP-DD. The market is primarily dominated by major players offering a wide range of.