It is vital to understand what a power supply checker cannot do. A PSU tester simulates a small load, but it does not simulate the heavy load of a high-end graphics card or a power-hungry CPU.
Plug the 24-pin ATX cable from the power supply into the tester. The connector is keyed and will only fit one way. pc power supply checker
: Displays real-time readouts for the +12V, +5V, and +3.3V rails. It is vital to understand what a power
DSPORT Digital LCD Power Supply Tester for PC ATX/BTX/ITX 4Pin SATA HDD pc power supply checker