Komputerbay 8GB DDR3 PC3-12800 1600MHz SODIMM 204-Pin Laptop Memory 10-10-10-27 with Black Heatspreader 1.5V Komputerbay 8GB DDR3 PC3-12800 1600MHz SODIMM 204-Pin Laptop Memory 10-10-10-27 with Black Heatspreader Well Tested. Non-ECC Non parity Timing: 10-10-10-27 Voltage 1.5V. Gold Leads. Supports Dual Channel Comes with heatspreader for extra cooling Allows you to automatically boost performance of your notebook without bios reconfiguration.