This genuine OEM HP LaserJet 550 Sheet Paper Tray F2A72A is compatible with a range of HP LaserJet Pro, HP LaserJet Enterprise, and HP LaserJet models. With a total paper capacity of 500 pages, it is perfect for high-volume printing needs. The tray is designed for easy installation and is compatible with M506, M527, M507, M527, and HP M506, M527, M501 models. The tray is made from durable materials and is built to last, ensuring that your printing needs are met with ease.