X-bit Labs has compared four fanless power supplies; the Enhance ATX-0340N 400W,
Seasonic SS-460FL (X-460 Fanless), Silverstone Nightjar SST-ST50NF and
Kingwin Stryker STR-500.
Fanless power supply units are paradoxically both innovative and conservative products. On one hand, they have to have the most advanced circuit design available at the moment to ensure highest efficiency possible because the less power is dissipated as heat, the more power can be transferred to the computer components. But on the other hand, once they are released, such products stay on the assembly line for a very long time. Why? Well, their advanced components are expensive, the high price limiting the target audience. And there are fewer competitors in this market sector as opposed to ordinary PSUs, so no one feels obliged to hurry up with the development and production of new models.
Indeed, we've got both innovative and conservative products for this review. We’ve known the Silverstone Nightjar and the fanless Seasonic X-Gold series for a few years already whereas the PSUs from Kingwin and Enhance are newcomers released in 2011.