Power

See the internals of a generic 500 W power supply, how much power it can really deliver, and the differences between a good and a bad power supply.

We took an in-depth look at this cheap low-end power supply from Thermaltake, Purepower 430 W NP, and tested to see if it can really deliver 430 W.

We took an in-depth look at this cheap low-end power supply from Kingwin, ABT-450MM, and tested to see if it can really deliver 450 W.

We took an in-depth look at this big 650 W power supply from StarTech.com that uses a dual-transformer design, feature that we’ve seen only on very high-end units. Let’s see If it survives our tests.

We completely disassembled Seventeam ST-420BKV, a low-end 420 W power supply, to take a look at its design. Updated to include load tests.

HX620W is a very famous power supply from Corsair and 18 months after we posted our original article on it we decided to re-evaluate this unit to include minor changes Corsair made to it and also to include our load tests.

We took an in-depth look at one of the most simple power supplies from Antec, EarthWatts 500 W. Does it really deliver 500 W? Read on.

BFG, the traditional video card manufacturer, has recently entered into the Power Supply business. We completely disassembled their 800 W model and tested to see if it could really deliver 800 W. Check it out!