OCZ Technology DDR3 PC3-8500 1066MHz Low Voltage Dual Channel Memory Kit OCZ3G1066LV4GK (Gold Edition) 1066MHz DDR3 CL 7-7-7-20 (CAS-TRCD-TRP-TRAS) 1.65 Volts Gold Layered Z3 XTC Heatspreader 240 Pin DIMM