An apparatus comprising at least one extendable hard drive drawer for replacement and maintenance of at least one hard drive. The apparatus comprises a chassis comprising a front side and a rear side, and a first hard drive carrier and a second hard drive carrier housed within the chassis. The first hard drive carrier can be housed at the front side of the chassis, and the second hard drive carrier can be located behind the first hard drive carrier. The first hard drive carrier and the second hard drive carrier can each be adapted to house at least one hard drive. The first hard drive carrier can be adapted to slide from a closed position to a first open position, and from the first open position to a second open position, such that the second hard drive carrier can be accessed in the second open position.