Naturally, make sure that the drive’s capacity is as big or bigger than the drive you’re replacing. The good news is that almost all laptop hard drives are the same size and use some form of a SATA interface. Let me go down a list of things that you need to look at when you are thinking about replacing your laptop hard drive.įirst, make sure that your replacement drive has the same physical size as the drive that’s in your existing laptop and uses the same interface. Personally, I don’t consider it that hard. Some people find changing a hard drive daunting, while others do it easily.