Macbook Pro 2GB 2Rx8 PC3 8500S memory modules Samsung

Macbook Pro 2GB 2Rx8 PC3 8500S memory modules 2GB 2Rx8 PC3 8500S memory modules Samsung M471B5673EH1-CF8 for Apple Macbook Pro 2007-2012, Apple iMac Yes, DDR3 and PC3 RAM are the same. DDR3 stands for Double Data Rate 3, which is a type of computer memory technology. PC3, on the other hand, refers to the third generation of memory modules compatible with personal computers. Both terms are used interchangeably to describe the same type of RAM.