Seasonic Vertex PX-1000 ATX v3.0 PSU Review

Protection Features

OCP (Cold @ 26.5°C) 12V: 112.80A (135.90%), 12.128V
5V: 34.3A (137.20%), 5.022V
3.3V: 34A (136.00%), 3.322V
5VSB: 6.3A (210.00%), 4.959V
OCP (Hot @ 44.1°C) 12V: 113.00A (136.14%), 12.133V
5V: 33.6A (134.40%), 5.023V
3.3V: 33.8A (135.20%), 3.326V
5VSB: 6.3A (210.00%), 4.958V
OPP (Cold @ 27.3°C) 1365.07W (136.51%)
OPP (Hot @ 44.4°C) 1362.06W (136.21%)
OTP ✓ (115°C @ Heat Sink)
SCP 12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OK Proper Operation
NLO
Fan Failure Protection
SIP Surge: MOV
Inrush: NTC & Bypass Relay

The 12V rail’s OCP triggering points exceed 130%, but the platform can handle the load. What worries me is that the hot and cold points are too close to each other. Normally, the hot point should be notably lower than the cold one, but in this case, not only is it close, but it is above the cold point! The minor rails also have highly set OCP triggering points, with small differences between the hot and cold points. The same goes for the over power protection. Seasonic should look into this!

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3 thoughts on “Seasonic Vertex PX-1000 ATX v3.0 PSU Review

  1. I think fsp 1000w ti is still cheaper in my country and performs much better than this psu. I expected more from seasonic tbh.

  2. Thanks for the review ! Appreciate the 115V/230V detail in the Noise output section

    I have to admit, I am quite disappointed with this PSU.
    I got the PX-1200 model and the Corsair SF1000 (in case I could not manage to fit the Seasonic one in my lian A3-matx), and so far the corsair has been superior despite the lower capacity and form factor. In fact, the corsair is much quieter under low/medium loads, and under high loads, I can only hear my GPU anyway.

    Protection features are also quite disappointing with this Vertex series, and efficiency is just marginally higher than the gold certified version

    To sum it up, the Corsair SF1000 has been, at least for me:
    – quieter
    – cheaper
    – MUCH less bulky
    – ATX 3.1 compliant

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