I am completely satisfied with the product purchased, this WD hard drive, fits perfectly well into the open slot of the basket of my HP all. Easy installation (No rider problem have in master or slave with a SATA drive), very quiet, no vibration, no "tac tac unpleasant, minimal heating installation under Windows without PB if we not forget initialize, fast data transfers. Do not just remember: There is no fixing screw or SATA cable for connection, nor Sata Molex adapter for food: not ridge like me do not forget to order