I have been using a 460W CoolerMaster power supply unit for the last year or so, it holds up just fine, its rated as "silent" and it almost is when idle. However upon launching intensive applications the PSU's fan gets really loud to the point where its obviously louder than my 3x120MM 19 dB fans in the case and my video card's fan. I run cool and quite which helps a lot but the noise is really starting to disturb me. I know that unscrewing a PSU can be dangerous as the PSU can store electricity in the capacitors. But presuming that I cake precautions and drain the PSU overnight and use thick gloves when handling it would it be safe to replace the fan presuming the PSU can tolerate a 3pin or 4pin fan without any soldering. PS. I am not too concerned about the warranty and I do not feel like buying another PSU as I've only had this one for such a short time.