DDR3

clipped from www.anandtech.com Official JEDEC Specifications   DDR2 DDR3 Rated Speed 400-800 Mbps 800-1600 Mbps Vdd/Vddq 1.8V +/- 0.1V 1.5V +/- 0.075V Internal Banks 4 8 Termination Limited All DQ signals Topology Conventional T Fly-by Driver Control OCD Calibration Self Calibration with ZQ Thermal Sensor No Yes (Optional)