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Seasonic Prime Titanium Fanless 600W PSU Review

We normally start this page with information on the cooling fan, so lets skip that bit.

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The soldering quality inside this unit is excellent, we noted nothing of any concern on the main PCB or modular boards. Even though this power supply is rated at 80 Plus Titanium efficiency levels, we notice four large heatsinks inside – this is clearly to help compensate for the lack of active cooling from above.

As we would expect, Seasonic are using high grade 105c Japanese capacitors throughout the design. They have adopted two 105c rated Nippon Chemi Con capacitors in the primary stage, rated 400v 390uF and 400V 450uF. This gives a total output of 840uF which seems somewhat overspecified to me. I have spoken to Seasonic in the past about their choice of capacitors and they confirm their reasoning is to keep RMA’s as low as possible. We all like that.

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