The power consumption of a PC is 250VA about, does 250VA wish? 1 30% ) =325VA, TG500 of a mothball type can make sure you are in completely power cut from time to tome enough time saves file to disk close machine avoid a file to lose. Two PCs can configure two TG500 respectively, or configure a TG1000 with shunt-wound form. If consider town report to interrupt from time to tome urgent document processing, UPS of delay time of the optional specialty that buy hill, reserve in order to lengthen time. Wait like MT1000S, K1050S.