A USB to SATA power cable is a portable adapter designed to connect 2.5-inch SATA hard drives (HDD) or solid-state drives (SSD) to a computer via a USB port, providing both data transfer and 5V power without needing an external power supply or drive enclosure. It features a USB-A (or USB-C) connector on one end and a 22-pin SATA (15-pin power + 7-pin data) connector on the other, supporting hot-swapping for easy data .