The star of the main attraction is going to be the top offering from quite an exhaustive DDR3 collection already amassed by G.Skill. The F3-12800CL7D-2GBHZ is a 2x1GB kit of PC3-12800 RAM that is rated for operation of 800MHz (DDR3-1600) with 7-7-7-18 timings at 1.9v. Being rated for DDR3-1600/7-7-7 slots this memory into the DDR3 world about the same spot that DDR2-1066/5-5-5 sits.