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Cooling duties are handled by a Hong Hua fluid dynamic bearing fan, model HA13525H12SF-Z. It operates at 12 V DC with a rated current of 0.50 A and has a maximum speed in the 2,300–2,500 rpm range.
We did not carry out a full internal teardown on this unit, as it was installed directly into one of our test systems for upcoming video content. That said, the underlying platform is Seasonic’s familiar high-end topology, using a bridgeless interleaved PFC design paired with a full-bridge LLC converter, synchronous rectification, and DC-DC conversion on the secondary side.
Internally, the Prime PX-2200 uses a double-length PCB and features a substantial primary-side filtering stage, including three X capacitors, six Y capacitors, two common-mode chokes, and a MOV. Bulk capacitance is provided by three high-grade Nippon Chemi-Con electrolytic capacitors, each rated at 420 V and 820 uF, for a combined total of 2,460 uF, which is exceptionally generous even by flagship standards.
Secondary-side filtering continues the premium theme, with capacitors sourced from Nippon Chemi-Con and Rubycon throughout. Overall build quality is excellent, with clean soldering and a well-organised internal layout. Large heatsinks are deployed across key components to ensure effective thermal management under sustained high-load operation.
In terms of protection, the Prime PX-2200 implements a comprehensive safety suite including OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, which is exactly what we would expect from a power supply operating at this level.
