This high performance 4 Bay Hard Drive Duplicator Dock enables you to duplicate/clone a single SATA hard drive to up to three other SATA drives simultaneously, as a standalone device. Versatile Use The USB 3.0 to SATA hard drive duplicator docking station can also function as a regular 4-bay hard drive docking station, by connecting to a host computer system. Large capacity drives (tested with up to 4TB 3.5" and 1TB 2.5" drives per bay) can be used to greatly enhance your computer's storage/backup capabilities. Compatible Connections As an external HDD/SSD dock, the HDD cloner/eraser can be connected to your host computer through USB 3.0 or eSATA, providing data transfer speeds up to 5 Gbps or 3Gbps respectively, from the hard drives to your computer system. Able to perform 1:3 Sector-by-Sector duplication, including HPA, from a single SATA drive onto three others simultaneously (at a rate of up to 72 MBps), the SATA docking station can save you time and effort This multi hard drive wiper features Quick and Secure Erase functions so you can confidently erase sensitive information, and support for IDE hard drives using the included SATA to IDE hard drive adapter (SAT2IDEADP). This USB 3.0 (USB 3.1 Gen 1) hard drive sanitizer dock is backed by our 2-year warranty and free lifetime technical support. Chipset ID: JMicron - JMB394 and JMicron - JMS539Insertion Rating: 15,000 cycles per bay