Pre-certified and formatted.
Includes new hard drive and all tools & parts to complete installation of included 6TB drive into your Apple iMac.0TB 7200RPM HDD Upgrade/Replacement Kit for 27-inch Apple iMac (Late 2012 - Early 2019) DIY Upgrade Bundle: 6..0TB 7200RPM HDD Upgrade/Replacement Kit for 27-inch Apple iMac (Late 2012 - Early 2019).