Imac Desktop Hard Drive
Back up with Time Machine
For the 21.5-Inch and 27-Inch 'Mid-2017' and '2019' iMac models, both support a 7 mm tall SATA III (6 Gb/s) hard drive for the primary storage, but the 21.5-Inch models use a 2.5' hard drive and the physically larger 27-Inch models use a 3.5' hard drive. Apple - 21.5' iMac® with Retina 4K display - Intel Core i3 (3.6GHz) - 8GB Memory - 1TB Hard Drive - Silver (1,120) $1,299.99 Apple - 21.5' iMac® with Retina 4K display (Latest Model) - Intel Core i3 (3.6GHz) - 8GB Memory - 256GB SSD - Silver. The right way to destroy an old hard drive. Don't put it in the microwave, don't roast it on a spit, don't soak it in acid, and don't put it next to an industrial-strength magnet; the key is to.
Automatically back up all your files with Time Machine, which is built in to your Mac, or choose another backup method.
Create a backupStore files in iCloud
You can also use iCloud and iCloud Drive to store files, such as your photos, documents, and music.
Set up iCloud and iCloud DriveRestore your Mac from a backup
When you have a backup, you can use it to restore your files at any time, including after the original files are deleted from your Mac.
Restore from a backupPrepare your Mac for service
Making a backup is an important part of preparing your Mac for service, especially because some types of repair might require erasing or replacing your hard drive.
Get your Mac ready for serviceHow much space do I need for a backup?
To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.
Free up storage on your Mac
macOS can save space by storing your content in the cloud. This isn't a backup, but it includes new tools to make it easier to find and remove large or unwanted files before you make a backup.
Use Optimized Storage in macOSImac Hard Drive Removal
Erase or format a storage device
You can use Disk Utility if you need to erase or format a storage device.
Learn how to use Disk UtilityHave a question?
Ask everyone. Our Apple Support Community can help you find answers.
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