Let's take a look at this entry-level 300 W power supply from Akasa, a.k.a. AK-PD030FG, which has active PFC circuit and 80 Plus certification.

Here is a snippet: "Although it is an entry-level power supply, the Akasa Essential Power 300 W (AK-PD030FG) comes with active PFC circuit, automatic voltage selection, and 80 Plus standard certification. Funny enough, this unit isn't listed at Akasa's website."



Link: HardwareSecrets