To understand why disk defragmentation might be useful for an HDD, let’s find out how data is stored on a computer.Īs we mentioned before, data on HDDs is read and written on a rotating disk with a mechanical needle. Go to Storage What is disk defragmentation? Go to the Apple menu in the upper left corner of the screenĤ. It’s easy to check what type of drive your Mac has:ġ. This kind of storage device was introduced in a MacBook Air in 2008 and was increasingly used by Apple ever since. Among the recent Mac models, only certain iMacs come with HDDs.Īn SSD (solid-state drive) uses flash memory to store information and does not have a spinning disk inside. How to find out whether you have an HDD or an SSDĪn HDD (hard disk drive) is an older type of storage device equipped with a rotating disk and magnetic heads, which read and write data to the disk. Will defragging a MacBook do it any good? Here’s a short answer:ĭo you have an older Mac with an HDD storage?ĭo you have a modern Mac with an SSD storage?
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