|  | SD, DDR, DDR2 & DDR3 RAM Comparison - BiXNet.com - BiX ComputersBixNet.comSD, DDR, DDR2 & DDR3 RAM Comparison SD, DDR, DDR2 & DDR3 RAM Comparison ... SD, DDR, DDR2 and DDR3 are all different types of RAM (Random Access Memory). RAM is a kind of computer memory that temporarily stores information ... www.bixnet.com |  |