Timetec Hynix Grade A IC 8GB DDR3 1600MHz (PC3 12800) Non ECC Unbuffered CL11 1.35/1.5V 240 Pins UDIMM Desktop Memory Modules Upgrade Acer, ASUS/ASmobile, Biostar, Dell, Fujitsu, Gateway, Gigabyte ,HP,Lenovo, NEC, MSI,Samsung, Sony, Supermicro ,Toshiba