This notebook hard disk comes in two sizes, 7mm and 9.5 mm
If a capacity of 500G or 750G is used, a thickness of 9.5mm is used.
If 250G or 320G is used, the thickness of 7mm and 9.5mm is possible, and it needs to be checked in detail according to the serial number of the notebook. If you use this capacity, you can send the serial number or serial number in the HP label or battery label on the back of your notebook to HP's official consultation mailbox in Esocialmedia@hp.com.
, for you to further check and confirm the hard disk thickness information.
I am an employee of HP.
If the above information can't solve your problem, you can visit HP's technical support webpage (www.hp.com/cn) to ask questions or ask for help. Thank you for your support to HP.