A fixing apparatus for holding a data storage device is provided. The fixing apparatus includes a drive bracket, and an insertion rack. The drive bracket includes two opposite side panels. Each of the side panels forms at least one guiding portion and defines a slot therein. The insertion rack is configured for inserting the data storage device into the drive bracket. The insertion rack forms two hooks. The insertion rack is capable of sliding into the drive bracket along the guiding portions. The hooks ride along an exterior of the drive bracket until they are inserted into the corresponding slots of the drive bracket.