Would you trust a 1,000W PSU named after a racetrack? 80Plus silver certification and Nvidia SLI compatibility does not guarantee a great result

For an entry-level PSU with 600 watts of 80Plus Bronze certified power we're sure you won't be disappointed with this eco performer

For budget SLI-ready capabilities this non-modular, 650 Watt PSU sounds ideal, but can it deliver the bang?

A solid, if pricey mid-ranged PSU that delivers 700W, 80PLUS certification from a semi-modular design

Better known for its high-performance memory, Corsair packs a PSU punch with this 1,200W, 80Plus gold certified SLI monster

Antec has been putting PSUs together forever, so surely you can't go wrong with this 550 watts, 80Plus Bronze certified, SLI ready model?

If you're in the market for a low-cost PSU, then look no further. This 500W PSU may be non-modular but it is 80Plus certified

Can a quiet running high-performance PSU with 1,100w output and 80Plus gold certification actually beat the rest?

OCZ bless us with 600 watts of 80Plus certified power and a noise-free voltage power supply.

A lower-powered PSU, offering 650 watts output from big-name memory manufacturer Corsair

More watts doesn't mean better watts. Cooler Master shows how good an 800W, 80Plus Gold certified, Nvidia SLI compliant PSU can be

At this end of the market there's no room for error and Antec's 1,200watt, 80Plus Silver offering with SLI and CrossFire certification can't cut it

You'd hope a quality graphics card supplier would do a good job with an 850w PSU offering 80Plus silver certification and Nvidia SLI support.

A potentially perfect semi-modular 775 watt PSU that's 80Plus bronze certified and SLI-ready, so what's the catch?

This low-noise, low-power 650W PSU leaves us cold despite its quiet performance and 80Plus certification, non-modular design

Claiming to be efficient and quiet can this 700W PSU, with its semi-modular design, pull off a power coup over the rest?

A heavyweight PSU in all meanings of the word, this 1,500 Watt SLI-ready, semi-modular unit should power through all our tests

A cost-effective defence against blackouts and power spikes

Unsheathing this beast of a power supply is a pleasing process. Clad in gunmetal grey armour, and sporting a cooling fan the size of Bolton, it's clearly a high-performance product. The modular cabling can handle a massive number of components

This may seem like a lot ofmoney to pay for a PSU that you're not going to show off. It does haveone trick up its sleeve though - it's very quiet. This is moreimpressive when you consider its 550W maximum output.

Unlike some of the other PSUs from Hiper, this lacks modular connectors and does not come packaged with unnecessary frivolities such as plastic tool cases. The package does, however, have all the required splitter leads...

While there's no modular cable system, this Hiper model boasts a whopping 730W output, with Active PFC circuitry built-in. You're getting a lot of punch for your money here - easily enough for a dual 8800GTS system.