Difference between DDR2 and DDR3 RAM | DDR2 vs DDR3 RAM
DDR2 DDR3 Voltage 1.8 Volts 1.5 Volts Speed 400 MHz, 533 MHz, 667 MHz, 800 MHz, 1066MHz 800 MHz, 1066 MHz, 1330 Mhz,1600 MHz Modules 240-pin DIMM un buffered registered; 200-pin SODIMM; 214-pin MicroDIMM 240-pin DIMM (same size as DDR2 ......