WEme USB 3.0 to SATA/IDE hard drive converter is a perfect solution for data transfer and backup in the 2.5"/3.5" hard drive. This item lets you swap hard drives easier than ever before as it ensures a stable external connection between any 2.5" or 3.5" SATA Hard drives. Using its USB 3.0 Interface, you can connect any 2.5" or 3.5" SATA/IDE drive to your Ultrabook Notebook Mac or PC, and experience blistering file transfers as fast as 5Gbps speed. Product Features: - Compatible with USB 3.0 computer systems such as Mac & MacBook & Lenovo & Dell Optiplex & Asus & Samsung etc. - Supported Drives: 2.5"/3.5" SATA HDD/SSD, 2.5"/3.5" IDE HDD, CD-ROM, CD-RW, DVD-ROM, DVD+RW, DVD-RW. Supports up to 18 TB drives. - Supports most models of CD/DVD-ROM/RM drives comprising of an IDE or SATA interface on the market. - On/Off Switch for HDD protection, you can be switched off when not in use. -Dual-Head IDE Connector (40pin and 44pin) plus one SATA II Connector. - One-click backup feature to effectively secure precious data. - Support 2 IDE hard drives and 1 SATA hard drive connecting simultaneously. Compatible with three hard drives simultaneously! - Compatible Operating Systems: Windows XP /Vista/7/ 8 /8.1 (32/64-bit), Win 10, Mac OS 10.10 or higher. Note: 1. OTB (One Touch Backup) function isn't applicable for Mac OS, only be used on USB connection under Windows system. 2. When connecting to a 3.5-inch HDD/SDD, please power the product with the provided AC adapter to ensure stable operation. 3. If the PC shows USB Device Not Recognized, please try with another computer or USB device. Unplug&plug the USB cable or restart the PC. 4. If the hard drive does not show up under Windows Explorer, go to Disk Management, right-click the Disk chose Change Derive Letter and Paths, then change or add a drive letter for the disk.SuperSpeed USB 3.0 enables data transfer rates of up to 5Gbps, downwards compatible with USB 2.0(high-speed 480 Mbps) / USB 1.1(full-speed 12 Mbps) standards. The actual transmission speed subjects to the setting of the device connected. Support 2 IDE and 1 SATA hard drives connecting simultaneously! Compatible with two IDE hard drives simultaneously, If not, Please set the 3.5'' IDE to be the slave drive based on the instruction on the hard drive. Plug and Play, Hot- swappable, no driver needed. On/Off Switch design for HDD protection. Led light shows power and activity status. One Touch Backup (OTB) Function. Design for people who need to backup data from your computer to portable hard drive. (Please install the included OTB Software CD. OTB function doesn't work for Mac OS and Linux). Connect your SATA / IDE device to your computer as an additional external hard drive via USB 3.0. Compatible with 2.5"/3.5" IDE/SATA hard drives and DVD-ROM, CD-ROM, CD-RW, DVD-RW, DVD + RW Optical Drive. Compatible read up to three hard drives simultaneously!.