Hard Drive Carrier Assembly

HP 570576-001 Hard Drive Carrier Assembly is a mounting carrier for placing a hard drive in a computer’s optical drive bay. It is designed for a 3.5-inch drive, providing a designated position for the disk in that bay.

The parts listing also identifies this assembly with HP reference NQ099AA and describes it as an optical bay HDD mounting bracket. The 570576-001 number is listed among spare parts for the HP Z400 Workstation, which gives a documented system context for the part.