These are quieter, more powerful and also make a greater contribution to vent the system as SFX power supplies. Was the SG05 / SG06 120 mm fan behind the front have a huge advance over other housings with 80mm fans, Silverstone is now considering still a good cooling performance on top of it and now allows addition 120- and 140-mm fan behind the front - to be used together with the associated possibility of an all-in-one water cooling system with 140 mm radiator in order to keep powerful overclocked quad-core CPUs thermally in check.
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