Thermaltake Xaser Silent Purepower 480W Press release Posted on Thursday, January 30 2003 @ 9:51 CET by Lordrazer Thermaltake Xaser Silent Purepower 480W W0010 Silent Purepower 480W with Black housing - Xaser Edition W0011 Silent Purepower 480W with Silver housing - Xaser Edition There are two ways to control the fan speed of power supply (in Front and Rear)