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Corsair HX1500i Shift (2025) PSU Review

Corsair are using one of their 140mm NR140HP fans in this unit, rated 12V 0.33A. This is a fluid dynamic bearing (FDB) fan. Cybenetics gave this unit an A+ Noise classification for 230V operation, and slightly lower for 115V operation (‘A' rating). We test all our power supplies at 230V. The fan in the previous HX1500i (non-Shift) is the NR140P (no ‘H'), a slightly older fan that operates at 0.22A. For the most part however, they seem very closely matched from what we can tell in testing.

Corsair didn't tell us the OEM for this power supply, but we can see that it is a CWT (Channel Well Technology) design, in cooperation with Corsair. The primary side of this unit is full bridge topology – it has an APFC and a LLC resonant converter. On the secondary side a synchronous rectification scheme is used for 12V with a pair of DC to DC converters generating the minor rails.

Soldering and build quality is excellent throughout. Component selection hasn't cut any corners either. Primary capacitors are a mixture of Nippon Chemi Con and Rubycon – both quality Japanese brands. The three primary 105c rated Japanese caps are rated 450v 560uF (Nippon Chemi Con KMW), 420V 680uF (Rubycon) and 420V 470uF (Rubycon). This totals 1710uF. The older unit actually had 3x Japanese capacitors, two 680uF caps with a single 470uF – for a total of 1830uF.

The unit ships with OCP, OPP, OTP, SCP and OVP protections.

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