4-2371437-3 is a PCIe Gen5 card edge connector designed for high-speed data transmission in compliance with PCIe CEM5.0 requirements. The connector features a polarized housing with pre-installed solid one-piece contacts and SMT soldering tails, with contact spacing on 1.0 mm centerlines. It includes a card slot with molded-in key and function key to ensure proper polarization and secure module positioning. The connector supports infrared reflow soldering with a peak temperature of 255°C and is compatible with lead-free solder alloys such as SAC305 and SAC405. Common applications include high-performance computing, servers, and data center equipment requiring reliable PCIe Gen5 connectivity.