This USB 3.0 to IDE and SATA converter adapter kit allows quick access to 2.5 in. /3.5 in. SATA HDDs and SSDs, 2.5 in. /3.5 in. IDE HDDs, and optical drives including DVD-ROM, CD-ROM, CD-RW, DVD-RW, and DVD+RW. Features include a dual-head IDE connector (40-pin and 44-pin) and one SATA II connector, supporting simultaneous operation of up to three drives. With USB 3.0 interface, data transfer speeds reach up to 5 Gbps and are backward compatible with USB 2.0/1.1 . Plug and play functionality, hot swap capability, and an on/off switch ensure ease of use and drive protection. A one-touch backup button simplifies data backup when used with the downloadable OTB software. LED indicators display power and activity status. The included 12 V/2 A power adapter provides stable power, especially when operating multiple drives. A 4 PIN power cable supports 3.5 in. IDE drives only; SATA drives do not require external power. Always connect the power supply during use for stable performance, particularly when accessing three drives at once. The package includes the USB 3.0 to IDE/SATA adapter, USB 3.0 cable, 4 PIN power cable, 12 V/2 A power adapter, and 24/7 customer email support. Ideal for data recovery, backups, drive testing, and transferring files from old hard drives to modern systems.