Test Setup
There are many different aspects to testing a power supply from the regulation, ripple, idle and load tests and even efficiency, but sadly only certain tests can be run on the hardware that we possess. The likes of efficiency testing needs very expensive hardware to be able to measure the results accurately and these are normally priced in the thousands. Due to us not having this equipment, there are only certain tests that we can run.
To perform our tests, we try to push the power supply to its limits, testing the stability of the rails. We run the power supply at idle and load wattages and measure the voltages on the 3.3V, 5V and 12V rails (with a calibrated Flukemeter) as well as any other 12V rails that the unit may have.
Our test system consists of the following components:
| Test System | |
|---|---|
| Processor (CPU) | AMD Phenom II X6 1055T @3.5GHz |
| Motherboard | Gigabyte 890GPA-UD3H |
| Memory (RAM) | 8Gb Crucial Ballistix @1600MHz |
| Graphics Card | AMD Radeon HD 6950 2GB |
| Primary Hard Drive | Hitachi Deskstar 500Gb |
| Power Supply | Antec TPN-750 PSU |
| Operating System | Windows 7 Ultimate 64-bit |
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