Deepcool PQ1000G ATX v3.1 PSU Review

Protection Features

OCP (Cold @ 29°C) 12V: 108A (130.12%), 12.21V
5V: 31.9A (159.5%), 5.062V
3.3V: 32.2A (161%), 3.289V
5VSB: 4A (133.33%), 4.951V
OCP (Hot @ 43°C) 12V: 106.6A (128.43%), 12.223V
5V: 30.3A (151.5%), 5.07V
3.3V: 31.7A (158.5%), 3.29V
5VSB: 4A (133.33%), 4.943V
OPP (Cold @ 25.6°C) 1375.06W (137.51%)
OPP (Hot @ 42.3°C) 1363.05W (136.31%)
OTP ✓ (136°C @ +12V 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 Thermistor & Bypass relay

The 12V rail’s over current protection is conservatively set under all conditions, which is good. Moreover, the over power protection is highly set, with a small difference between cold and hot conditions, so the PSU is not effectively protected. As in the 1200W unit, OCP is sky-high on the minor rails, and the difference in the triggering points between cold and hot conditions is low.

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