The strongest assets of the Asus ROG Strix 750W are the high performance and the silent operation, along with the good build quality.

The Phanteks AMP 750W achieves good performance in almost all sections and it is backed up by a hefty ten-year warranty.

The Asus ROG Strix 650W is a strong but costly power supply.

The XPG Core Reactor 750 is a high-performance PSU, compatible with the newest and toughest requirements of the ATX spec.

The XPG Core Reactor with 850W max power offers good performance and build quality, but it's expensive for what you get.

The V650 Gold is expensive and its performance is not up to the competition's levels.

The Cooler Master V750 Gold achieves a satisfactory overall performance, but it is expensive and quite noisy, once stressed.

The Phanteks AMP Series model with 650W capacity offers high enough performance and features quiet operation.

The Thermaltake Toughpower GF1 850W achieves high performance, and it also sports a fairly quiet operation.

The Toughpower Grand RGB 1050W is powerful and achieves high performance, thanks to its advanced platform. The fan profile could be better, though.

The Toughpower Grand RGB 850W achieves high performance and has lots of RGB lighting modes, to choose from.

The Toughpower PF1 ARGB 1200W is powerful​, achieves high performance and has RGB lighting.

The Phanteks AMP model with 550W achieves high performance and has a fairly quiet operation.

The SuperNOVA 750 G5 is fully modular, compact, and promises for high performance. Will it be able to meet the popular Corsair and Seasonic offerings though?

The Ion SFX 500G achieves top performance in all major areas and has a fair price tag.

Fractal Design's Ion SFX model with 650W max power offers high performance, highly flexible modular cables and compact dimensions at a reasonable price.

The EVGA SuperNOVA 1000 G5 has a daunting task, to replace the 1000 G3 model which is among the best PSUs in the 1000W category.

The Fractal Design Ion+ 560P is dead silent and achieves good performance in all areas. If 560W covers your needs, this should be near the top of your shopping list.

The Fractal Design Ion+ 660P is a mid-capacity power supply featuring good performance and silent operation.

The ION+ 860P is Fractal Design's flagship power supply, offering good performance and ultra-quiet operation, even under harsh conditions.

The FSP Hydro G Pro 850 has excellent build quality, loads of connectors and compact dimensions. Is all that enough though to justify the $139 MSRP?

A solid, mid-capacity choice, the Corsair RM650 power supply has good performance and quiet operation, even under stressful conditions.

The FSP Dagger Pro with 650W capacity is among the strongest SFX units available on the market today. But is this enough to help it beat the competition?