It is very recommended you have a electrical power meter connected to your equipment, to ensure you are inside your PSU restrictions. This is especially true for KS3* and KS5* products, which have little or no PSU headroom even at stock configurations, as well as KS0* versions as a https://emiliowpfui.life3dblog.com/32508208/iceriver-alph-al0-overclocking-tips-for-higher-hashrate