Tool-less mounting apparatus for hard disk drive and storage device using the same

A storage device comprising:

• a hard disk drive;
• and
• a tool-less mounting apparatus to mount the hard disk drive, comprising:
• a tray defining an installation space for the hard disk drive and comprising a hook;
• and
• a locking unit comprising:
• a supporting bracket defining a first locking slot corresponding to the hook;
• and
• a sliding plate slidably connected to a side of the supporting bracket and defining a second locking slot corresponding to the hook and the first locking slot;
• wherein the hook is coupled to the sliding plate by passing through the first locking slot and the second locking slot;
• the sliding plate is slidable between an unlocking position, where the first locking slot aligns with the second locking slot and the hook is free to pass through the first locking slot and the second locking slot, and a locking position, where the first locking slot and the second locking slot are not aligned and the hook is stopped by the sliding plate.