#Formating 128gb sd card for mac how to
How to Format an SD Card on Mac Using the Disk Utility If you already have a dock with USB A ports then a standard USB SD card reader will work just fine.īe sure to get a card reader that can accept both full-size SD cards and the more common micro-SD type.
So only go the more expensive route if you were in the market for a dock anyway. Card readers by themselves are pretty inexpensive, but docks can be quite pricey. If your Mac doesn’t have an SD card slot, you’ll need to buy a USB SD card reader or get a USB-C or Thunderbolt 3 dock that features one as one of its ports. Older MacBooks have built-in SD card slots, so using an SD card on such machines is straightforward. If you have a recent MacBook, you probably know that there are no ports on your computer besides two or four USB-C Thunderbolt 3 ports. What You Need to Format an SD Card on Mac These are only appropriate for internal Mac drives and external drives that will only be used with a Mac, where data integrity is also important. Check the manual for the device the SD card is destined for to ensure you pick the optimal format.ĭon’t choose any of the macOS journaled formats. exFAT has the advantage of supporting file sizes larger than 4GB. Most devices and computer operating systems can read either of these formats. There are various formats that you can use for SD cards, but most of the time the correct choice is either FAT32 or exFAT. So next we’ll look at which format is best for an SD card. The main consideration is whether the device you’re going to use the SD card with can read that particular format or not. There are various format types, each with their own pros and cons. You’ll also want to format an SD card when you need to use it in a device that needs a different format from the one the card currently uses. Making it a quick indicator of drive health. If the card is faulty, a format will usually fail.
If the SD card is still physically fine, you can usually format it and keep using it.
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