XPG KYBER 750W ATX v3.1 PSU Review

Protection Features

OCP (Cold @ 29°C) 12V: 85.2A (136.32%), 12.02V
5V: 29A (145%), 4.99V
3.3V: 29.8A (149%), 3.283V
5VSB: 4.1A (136.67%), 4.986V
OCP (Hot @ 37°C) 12V: 79.2A (126.72%), 12.035V
5V: 28.7A (143.5%), 4.993V
3.3V: 29.1A (145.5%), 3.289V
5VSB: 4.2A (140%), 4.979V
OPP (Cold @ 30°C) 1030.21W (137.36%)
OPP (Hot @ 38°C) 968.18W (129.09%)
OTP ✓ (155°C @ 12V Heat Sink)
SCP 12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OK Accurate but lower than 16ms
NLO
Fan Failure Protection
SIP Surge: MOV
Inrush: NTC Thermistor & Bypass relay

OCP is set correctly at 12V, but this is not true for the minor rails with the extra high triggering points. To make matters even worse, the OCP triggering points on the minor rails don’t drop notably under high operating conditions compared to lower temperatures, so they don’t effectively protect the unit. On the other hand, the over power protection is set correctly. Lastly, all other necessary protection features are present.

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