The one caveat to that is if your Mac is old enough to use standard 2.5″ or 3.5″ HDDs, you can buy them anywhere.

While you can find hard drive replacement kits through online retailers just by searching, we recommend iFixit because they only stock parts from reputable suppliers so you know you’re not going to get ripped off. They have guides for every Mac model and sell all the parts you need. Rather than walk you through every possible hard drive replacement, if you’ve decided to go it alone, I’m going to hand you off to our friends at iFixit. RELATED: Should You Repair Your Own Phone or Laptop? If you’re not sure you have the technical chops to do it right, you should consider asking a more qualified friend to help, or even going to the professionals. The Mac Pro is designed to have its hard drive replaced easily, while an iMac requires you to remove the entire screen. While it is possible to replace the hard drive on any Mac not listed above, how difficult it is varies wildly with the model. This may change if a third-party manufacturer manages to create a compatible hard drive, but for the time being you’ll need to go to an Apple Store or an Apple Authorized Service Provider if you need your hard drive replaced. MacBook Pro 15″ with Touch Bar (All Models).

MacBook Pro 13″ with Touch Bar (All Models).

This means that the Mac models you can’t upgrade the hard drive in are:

MacBook Pro 15″ with Retina Display (Mid 2012-Mid 2015).

MacBook Pro 13″ with Retina Display (Late 2012-Early 2015).

The modern Macs you’re able to upgrade are: Unfortunately, if you’ve got a newer model, you’re probably out of luck. If your Mac is more than a few years old, you can almost certainly upgrade the hard drive.

RELATED: How to Wipe Your Mac and Reinstall macOS from Scratch What Macs Hard Drives Can You Upgrade? This will help you figure out if you can upgrade the hard drive in your Mac, and help you find the right parts. On the Overview tab you’ll see your Mac’s exact model.

Upgrade macbook pro hard drive 2009