After the hard disk is safely removed, the hard disk will go to sleep immediately to better protect the mechanical parts of the hard disk Double LED light indication, power blue light and signal green light Support multiple systems: winxp /win7/win8/win10/Vista /MacOS9/10 and Linux Model:USB3.0 mobile hard disk box Support capacity:3TB Transmission interface:USB3.0 Transmission speed:5GBPS Input port:Micro-USB3.0 Output port:7+15 SATA USB specification:USB3.0 standard, backward compatible with USB2.0, theoretically transfer rate up to 5.0Gbps Colour:Black Material:Plastic Size:12x7.3cm Package Contents: 1 * shell mobile hard disk box 1 * data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Support SATA3.0, backward compatible with SATA2.0 2. Support USB hot plug, plug and play, no need to install drivers 3. Support UASP acceleration, let the speed of SSD solid state drive fly, about acceleration: 10%-20%, 4. Support hard disk thickness: 7.0MM and 9.5MM 2.5-inch serial port (SATA 7+15PIN) hard disk, 5. Support 3-minute smart sleep (power-saving mode), sleep after 3 minutes without operating the disk, and automatically wake up when the disk is reopened or data is transferred (that is to say, the hard disk starts to rotate).