A mounting apparatus for securing a storage device (70) with a mounting slot (72) defined therein includes a bracket (30) for accommodating the storage device and a mounting member (50) pivotally attached to the bracket. A through opening (41) is defined in the bracket. A locating clip (46) extends from the bracket. A positioning block (59) protrudes from the mounting member corresponding to the through opening of the bracket. A latching finger (62) is formed at the mounting member for engaging with the locating clip. When the mounting member is rotated to engage the latching finger with the locating clip of the bracket, the positioning block inserts through the through opening of the bracket and engages in the mounting slot of the storage device.