An exemplary fixing apparatus is provided for holding a data storage device defining a pair of holes in a sidewall thereof. The fixing apparatus includes a bracket, a sliding member, a rotating member, a pair of latch members, and a resilient member. The bracket includes a side panel defining a pair through holes therein. The sliding member is slidably attached to the side panel. The rotating member is rotatably attached to the sliding member. The resilient member is disposed between the sliding member and the rotating member. The latch members are pivotably attached to the rotating member and movably extend through the through hole of the bracket to engage in the holes of the data storage device.