WD Elements USB 3.0 hard drive EnclosureWD Elements portable hard drive casing compatible with USB 3.0 offer reliable, high-capacity storage casing which enable fast data transfer rate and universal connectivity for value-conscious consumers. When your internal hard drive is almost full your PC slows down. Don?t delete files. Free up space on your internal hard drive by transferring files to your WD Elements portable hard drive and get your laptop moving again. While doing this you will need to protect your hard drive from any form of exposure in order to avoid data loss which is where this casing comes in to protect your hard disk. WD element casing is the best bet for your use.External High capacity in slim cover designLight weight designThis drive case is the ideal companion for the user on the goMassive capacity in a small enclosurePlug and play simplicityProtective carriage for your hard disk drive