USM-X series can be also used in USB2.0 compatible computers. Data transfer rate depends on the interface of your compatible machine. <br> To connect with USB3.0, this product needs to be used in USB3.0 compatible machines. < br> Micro Vault media contains a system management area. Actual usable capacity is less than the amount shown on the device. <br> <br>For safe use, be sure to read the Operating Instructions carefully before using the device. <br>Only compatible with operating systems specified. <br>When using the Micro Vault with the non-PC devices, please check the host device manuals for compatibility before use.