External Hard Disk Drives USB Extended Storage HDD 500GB 1TB 2TB 2.5" Ultra Slim. 2.5" 3.5" Dual Hard Drive Docking Station SATA HDD/SSD Backup Clone System File. Portable mini size with large storage capacity, is ideal for transferring or backing up files, and easy to carry around or take with you in back pocket or sling bag.
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