The legendary super silent series of lc power offers the optimum ratio of price and performance through the high quality 140 mm fan the lc6550 v22 enables a super soft and stress free working in the office as well as at home despite the low volume the power supply offers a very good cooling for your system through the honeycomb like ventilation grid at the rear side the power supply is fitted with all the common connections of the office and the mid range sector along with latest mainboard