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Corsair HX750 PSU Review

Crmaris August 19, 2018 Featured Tech News, Featured Tech Reviews, Power Supplies

Protection Features

Our protection features evaluation methodology is described in detail here.

Protection Features

OCP

12V: 74A (118.4%)
5V: 33.7A (134.8%)
3.3V: 34.3A (137.2%)
5VSB: 7A (233.3%), 65mV Ripple

OPP

899.25W (119.9%)

OTP

✓ (145°C @ Secondary Side)

SCP

12V: ✓
5V: ✓
3.3V: ✓
5VSB: ✓
-12V: ✓

PWR_OK

Proper Operation

NLO

✓

SIP

Surge: MOV
Inrush: NTC Thermistor & Bypass Relay

The over current triggering points of the +12V, 5V and 3.3V rails are set at normal levels, while at 5VSB OCP activates at a very high load, allowing this rail to exceed the 50mV ripple limit that the ATX spec sets.

Similar to OCP on all rails but 5VSB, the over power protection is reasonable set and OTP is triggered when the temperature on the PSU's secondary side hits 145°C. Finally, there is short circuit protection on all rails.

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