MacSales.com & OWC make it easy to replace, service, or add a drive to your iMac.
Get more capacity and performance with upgrade options custom designed for iMac.
HDD Upgrade/Replacement Kits for iMac
Complete HDD Upgrade Kits for Apple iMac 2009 – 2017. Install up to a 10TB Hard Drive.
Each Upgrade Kit is designed specifically for iMac, requires no software hacks and ensures compatibility with Apple's built-in diagnostic processes. Without the OWC in-line thermal sensor, included in the kit, your system can't accurately manage cooling, and the fan will run all the time. With the sensor, your new drive works with the SMC, just like a factory installation.
Complete SSD upgrade kits for Apple iMac 2010 - 2012. Install an internal SSD into a system currently equipped with hard drive only.