With superior gaming software available, large graphic and 3D imaging file and the requirement of high-speed data transfer rate, Mercury PC3200 (DDR400) will fulfill your needs. PC3200 is 3 times faster than the current PC133 module and 50% more in the data rate when compare against PC2100. ? Speeds of 3200 MB/s ? High Performance and Super Stability ? 3 times faster than the current PC133 module and 50% more in the data transfer rate compare against PC2100 DDR.