Computer Power Tester;Computer Power Supply Tester; Computer Power Tester:The SD power supply tester is a robust ... ,then the power is failed SpecificationVoltage source:20/24pin(ATX-connector) Voltage test:+12V,-12V,+5V,-5V,+3.3V,5V stand ... ,CDROM,SATA,4pin(P4),8pin(Dual-CPU),6pin(PCI-Express) Computer Power Tester