OCZ OCZ3G1600LVAM4GKDDR3 PC3-12800 Gold AMD Edition Memory Module 1600MHz DDR3/ Unbuffered Gold Z3 XTC Heatspreader*/AMD AM3 DDR3 Platforms Only CL 8-8-8-24 /(CAS-TRCD-TRP-TRAS) 1.65 Volts/240 Pin DIMM Available in 4GB D/C kits /Lifetime Warranty