Corsair CMSO8GX3M1A1333C9 8GB (1x8GB) DDR3 1333 MHz (PC3 10666) Laptop Memory 1.5V Speed: 1333MHz Timing: 9-9-9-24 Type: DDR3 Pin Out: 204 Pin Voltage: 1.5V Limited Lifetime Warranty Memory Type: DDR3; Speed: 1333MHz