Is it possible for a PSU that costs $40 (and can sometimes be found for as little as $25) to offer decent performance and reliability? EVGA's 450 BT promises both, appealing to enthusiasts on a budget.

Cheap power supplies rarely earn recommendations because they're often ticking time bombs. But the allure of a low price tag tempts the value-oriented among us. Normally, EVGA's 450 BT sells for $45. But from time to time, you'll find it on sale for $25. While that sounds too good to be true for a capable 450W PSU, we're here to tell you that this model does deserve consideration for its satisfactory efficiency, good ripple suppression, tight load regulation, and ability to keep its rails within the ATX specification's tolerances.