The 144681-E is a 50-pin, standard (non-blind mate) vertical male connector from the MicroSpeed family, designed for high-speed board-to-board connections. It features a 1 mm stacking height, a 1.0 mm pitch, and supports data rates up to 25 Gbit/s. This specific model utilizes Surface Mount Technology (SMT) for its signal contacts and Through Hole Reflow (THR) for its shield, ensuring a strong mechanical solder joint. Its high-speed capabilities make it ideal for applications in data communication, telecommunication, high-end computing, and industrial automation.