OWC - SSD Thermal Sensor (iMac 2009-2010)

OWC In-line Digital Thermal Sensor for iMac 2009-2010 Hard Drive Upgrade 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. https://eshop.macsales.com/item/OWC/DIDIMACHDD09/