"The new generation of power supplies has begun to amp up the competition for placement in your computer case. Antec's EarthWatts series was among the first to cause a stir in the PSU industry by emphasizing efficient power delivery over the multi-rail hype. But now 80% or better efficiency has become very common in power supplies. A perfect example of combining high-power wattage, efficiency, and good looks can be found in the Hiper HPU-4M730-SS Type M 730W PSU. The four +12V rails offer regulated power distribution, but they also deliver at least 80% of the power that they promise, which will result in a more efficient system. Hiper's Type M PSU claims to support dual and quad processors, dual (SLi and CrossFire) graphics card sets, and just about anything else you can throw at it, but Benchmark Reviews will load test the DC voltage regulation and ripple just to be sure. "