Access three hard drives simultaneously or transfer data between the three drives. This USB to SATA / IDE adapter allows you to access 2.5/3.5 Sata HDD and SSD, 2.5/3.5 IDE HDD, DVD-ROM, CD-ROM, CD-RW, DVD-RW, DVD+RW. It implements a bridge between a USB port and one SATA, ATA, or ATAPI-based mass storage device port, turning any standard IDE or SATA drive into a convenient external drive. Easily transfer files from computer or notebook, back up files, or store large file archives on hard drives. The adapter is compatible with Windows 10/ 8.1/ 8/ 7/Vista/XP, Mac IOS, and LINUX, with no drivers required. It supports a hard drive capacity of up to 6TB and has a plug and play feature, with an on/off switch for HDD protection and an LED light showing power and activity status.