Products Features: With USB2.0 specification, data transfer speed up to 480Mbps. Designed and constructed with grade A materials for maximum reliability and durability. Applicable to USB-B devices (e.g. Printer, Hard Drive Enclosure). Model: Y-C430GBK (1M) / Y-C4001GBK (2M) / Y-C420GBK (3M) / Y-C421GBK (5M)