B-9 (9 pin, D-Sub) and USB 2.0 Type-A (4 pin, 480Mbps) connectors make this accessory great for connecting printers, servers, and various serial devices to a computer or laptop 3ft. cable offers extended reach and flexibility Up to 921.6Kbps data rate makes this cable suitable for tasks that requires fast communication or high-speed data transfer between devices USB 2.0 converter works with various USB revisions, and supports Windows, macOS, and Linux for wider compatibility Perfect for use in IT industry, point of sales (POS), industrial applications, AV, and office setups