If not, were always looking for new problems to solve Email yours to including screen captures as appropriate, and whether you want your full name used. This is a great option if you dont want to or cant open your Mac. With USB 3 (Type A connector), USB 3.1 (Gen 1, SuperSpeed at 5Gbps, or Gen 2, SuperSpeed at 10Gbps) over USB-C, or Thunderbolt 3, you can get enough throughput from an external SSD to use that as your startup volume and main volume. Other World Computing and other companies sell SSDs in hard drive packaging OWC has guides for how to figure out which ones are the right choices. If youre willing to go to all the trouble to crack open your Mac, the price of 512GB and 1TB SSDs has dropped so much that it makes more sense to replace the hard drive with an SSD that comes in the same form factor. If you do it yourself, the cost is your time plus a relatively affordable partbut you have to factor in the potential that you might damage your Mac, especially probable with an iMac, which requires removing the screen. Use Time Machine or any of several disk-cloning apps, like SuperDuper or Carbon Copy Cloner.ĭepending on your Mac model and year, it may be relatively simple, fiendishly difficult, or even impossible to swap out the dying or dead SSD. He has a 2015 iMac and is a heavy user of image-editing software, and the better diagnostic packages agreed that his SSD had already worn to near-failure status after just four years.įor comparison, I have a 2017 iMac with a Fusion Drive (a 28GB SSD and 1TB hard drive), and DriveDx reports its only consumed about 10 percent of its estimated lifetime of use after two years of daily use. These reports can provide detail about the current wear state of your Fusion Drive SSD (or a regular full-disk one). This category of software checks your drives on a schedule and alerts you the first time an error is noticed or a problem rises above a threshold. I recently reviewed DriveDx, but there are several other apps available, too. With no moving parts, theres more predictability about coming failures. That makes it more likely your Fusion Drives SSD will wear down sooner than a 1TB or larger SSD used as a single drive.įor SSDs, this would be particularly useful, because the remaining lifetime of an SSD before errors occur can be estimated by the manufacturers specifications combined with the drives statistics on writes.
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