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The Seasonic Prime PX-2200 is a good looking power supply, if rather large. It measures 210 mm x 150 mm x 86 mm (LxWxH). The 210mm length rules this out for use in smaller computer chassis.
A large fan is hidden behind the grille, we will take a closer look at this later in the review when we open it up.
The power side of the supply is home to a power connector socket, a power switch and ‘Hybrid mode' switch. When this switch is turned on the fan is disabled at lower power draw to reduce noise.
Seasonic supplies a C19 mains cable with the Prime PX-2200 rather than the more common C15 because of the sustained current levels this power supply is designed to handle. A C19 connector is rated for significantly higher continuous current and uses heavier-gauge conductors, reducing connector heating and voltage drop under prolonged high load. At power levels approaching 2 kW, this isn’t optional but necessary for electrical safety and long-term reliability.
Three simple rows of connectors, all labelled to make the installation process as easy as possible.
The Prime PX-2200 is capable of supplying up to 183.33 A on its single +12V rail, while the minor +3.3V and +5V rails are each rated for up to 25A.
