4GB ( 2 X 2GB ) PC3-8500 (DDR3-1066), DDR3 SDRAM, 1066 MHz, MacBook Pro, Windows
2 x 2GB ( PC3 8500 ) Suitable for apple MacBook pro and windows laptop . Please message me if you are not sure if your laptop will support I have various brands ( Hynix , Samsung ) Any problem please message me I will help you