DIY Kit for all Apple iMac 2009-2010 Models for replacing the main hard drive. Includes all cables required for any drive installed into the main drive bay. Eliminate fan noise and maintain correct system fan control when upgrading your 2009- 2010 iMac. The only iMac HDD upgrade option on the market certified to pass the Apple Hardware Test. Fixes firmware incompatibility issues with third party hard drives. Engineered in-house and backed by OWC's award-winning customer support. Improve Performance and Capacity. Upgrade Your iMac with Confidence. OWC's in-line solution is the only hardware digital thermal sensor on the market allowing a third-party SATA drive to be installed in your iMac. A convenient, plug-and-play cable, the In-line Digital Thermal Sensor eliminates fan noise and maintains proper system fan control through the iMac's System Management Controller. This innovative device is designed specifically for the iMac, requires no software hacks and ensures compatibility with Apple's built-in diagnostic processes. Note: Before attempting to perform this installation, please watch the OWC Install Video, corresponding to your machine, in its entirety to determine your ability to perform this complex upgrade. Includes: OWC In-line Digital Thermal Sensor Cable, 2 suction cups for the outer glass removal, OWC Torx T8S Driver, OWC Torx T10S Driver, NewerTech Pry Tool, OWC Microfiber Pro Cleaning Cloth