We often need to store many data material, but carrying a laptop is not convenient. So it's essential to prepare a HDD. Now our external hard disk enclosure could protect your HDD better. USB 3.0 to SATA 3.0 transmission, setting aside more time to do what else you want New UASP protocol improves transmission speed, and reduces the utilization of CPU, data delay and waiting time Plug and play, no software drivers are needed Compatible with Windows XP / Vista / 7 / 8 / 10, Mac OS operating systems. Support 2.5 inch 9.5mm thickness and below HDD and SSD Type:Maiwo K104 Read speed: 390m/s Write speed: 400m/s color:Black Material:plastic size:13 x 7.9 x 1.7cm Package Contents: 1 x HDD Hard Drive Case 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.