Hynix 2GB DDR3 RAM PC3-8500 204-Pin Laptop SODIMM w/Thermal Sensor - Compatible with Mac Notebooks! Hynix 2 GB DDR3 RAM PC3-8500 204-Pin Laptop SODIMM General Features: 2 GB DDR3 (Double Data Rate Three) RAM PC3-8500 1066 MHz CL7 204-pin Apple Mac compatible Integrated thermal sensor SODIMM (for laptop computers)