Drive bracket assembly for computer enclosure

A drive bracket assembly for a computer enclosure, the drive bracket assembly comprising:

• a first bracket for connecting with the enclosure and adapted for receiving a first disk drive therein, the first bracket comprising a bottom wall and a sidewall, an arcuate railway being arranged at the bottom wall, at least one protrusion protruding from the bottom wall;
• a second bracket adapted for receiving a second disk drive therein;
• and
• a connecting board secured on the second bracket, the connecting board comprising a guideway slidably engaged with the railway of the first bracket, and an elastic arm, at least one projection projecting from the elastic arm;
• wherein when the at least one projection is snappingly engaged with the at least one protrusion, the second bracket is located in a first position attached below the first bracket, and when the at least one projection is disengaged from the at least one protrusion by pressing the elastic arm, the second bracket is releasable from the first bracket to a second open position.