Patent ID: 8369081

Claim:
A mounting mechanism comprising: a plurality of first hard disk drives (HDDs); a plurality of second HDDs, which are different from the first HDDs in size; a chassis comprising opposite sidewalls; a first cage accommodating the plurality of first HDDs, and comprising opposite first side plates; two first latch members pivotably correspondingly attached to the first side plates of the first cage between locking positions and unlock positions; a second cage accommodating the plurality of second HDDs, and comprising opposite second side plates; and two second latch members pivotably correspondingly attached to the second side plates of the cage between locking positions and unlock positions; wherein the first cage and the second cage are selectively securely received in the chassis in response to the corresponding latch members of the selected cage being pivoted to the locking positions to correspondingly engage with the sidewalls of the chassis, each of the first cage and the second cage is enabled to slide in the chassis in response to the corresponding latch members being pivoted to the unlocking positions.