Close to maxing out your 500GB to 1.0TB factory-installed hard drive? With the OWC Internal HDD DIY Kit you can replace your old hard drive on your own with up to a 4.0TB drive (sold separately
) for up to 8x more storage and backup capacity! This kit does not include the tools required for performing this upgrade. If you need the full upgrade kit with tools, you can purchase this OWC Internal HDD DIY Kit
. The kits are certified to successfully pass the Apple Hardware Test.
Before attempting to perform this installation, please watch the instructional video in its entirety to determine your ability to perform this complex procedure. OWC assumes no responsibility for damage that may occur during the install. Technical support for this DIY product consists only of the installation video.
While OWC encourages the DIY philosophy, this is a very difficult install that requires advanced skills. If, after watching the how-to video, you are not fully confident of your ability to add an SSD to your 2011 21-inch iMac, you can choose to have OWC "Do It For You" via our Turnkey Upgrade Installation Program