Uninterruptible power supplies (what most people call battery backup) are essential for protecting servers and bridging power outages. We looked ... Read more

The Universal Notebook Battery is a sleek, carry-on battery stack that can double your notebook battery capacity and run time, while providing an ... Read more

Check out mid-day pictures from our overclocking competition! Read more

In Part I of our power supply roundup, we went through five mainstream PSUs rated at up to 700 W. Round two sees us tackle another seven ... Read more

Good performance, high efficiency and low price: It’s not easing choosing a power supply that offers all three of these features. Tom’s Hardware ... Read more

Home theater PCs should be as quiet as possible. Since most of the noise is caused by the fans on the CPU and power supply, we tested two passive ... Read more

Despite their importance and the sometimes demanding requirements they must satisfy, power supplies just don't get enough attention. We ... Read more

We give five new power supply units the full juice treatment after our previous stress tests laid many supposedly high-end units to rest in the ... Read more

We put PC power supplies from 300 to 850 watts under continuous load to see if they can satisfy the power appetite of potent Athlon and P4 ... Read more

Power supply performance specs are going through the roof, but you can't tell from looking at a device whether it will actually deliver the 600 ... Read more

Four vendors say their power supplies have a lot more to offer than just serving to juice up PCs. With value-add nomenclatures such as Audio ... Read more

It's impossible to gauge the ill effects noisy power supplies have on your mental health, but needless to say, loud fans are irksome. While ... Read more

Users are demanding ever-greater performance from CPUs, graphics cards and other components. But more performance requires more power, so that ... Read more

Here we go again - another new power supply specification, with more connectors and more pins to confuse matters. Do the old ATX connectors fit ... Read more

Cooler Master's power supply Real Power boasts a whole string of innovative features. For starters, it has an external wattage display, and then ... Read more