OCZ OCZ3P1333LVAM4GK DDR3 PC3-10666 Platinum AMD Edition Memory Module 1333MHz DDR3/Unbuffered Platinum Z3 XTC Heatspreader* CL 7-7-7-20/(CAS-TRCD-TRP-TRAS) 1.65 Volts/240 Pin DIMM AMD AM3 DDR3 Platforms Only/Available in 4GB dual channel kits