Details thermaltake tr2 s 600w incorporating various high quality components the new tr2 s series models are rated from 500w to 700w they save energy through its high efficiency of up to 86 and accommodates any mainstream build with the most demanding requirements an embedded intelligent cooling fan delivers excellent airflow at an exceptionally low noise level also the single 12v rail design enables non stop usage with stable and reliable performance key features ultra quiet 120mm fan