【Wide Compatibility】Supports 2.5/3.5 inch IDE and SATA HDDs/SSDs/optical drives up to 18TB. Also compatible with combo devices such as CD-ROM/DVD-ROM/CD-RW/DVD-RW/DVD+RW. Can connect and recognize three drives (SATA and IDE) simultaneously. (※Note: Connecting two IDE drives requires the included 4PIN power cable.) Compliant with USB 3.0 (up to 5Gbps). Also compatible with USB1.1/USB2.0/USB3.0/USB3.1. ※Note: The 4PIN power cable is designed for 3.5-inch IDE drives. 【With On/Off Switch】Supports plug and play and hot-swapping. Also features a one-touch backup function for easy installation. Equipped with LED lights to monitor the operating status at any time. 【Retrieve Your Memories】Very useful for extracting data from old IDE and SATA drives. Convenient for transferring data from a broken or old PC to a new PC, and easily use different types of hard drives. (Note: Software is only installed for one-touch backup and cannot be used on Windows 10 or later, or Mac OS.) 【Convenient Storage】Simple and stylish appearance. The USB cable is detachable, making it convenient for storage when not in use. ※Note: When connecting to a 3.5-inch HDD/SSD, please supply power to the product through the included power adapter for stable operation. 【Unitek Package Contents】IDE & SATA Dual USB Drive Adapter x1, USB-A Data Cable x1, IDE 4PIN Power Cable x1, 12V 2A Power Adapter x1, Instruction Manual x1 Please note that we do not offer dedicated sales or holds to prevent any issues. Although it is new and unused, it has been stored at home, so please understand this before purchasing.