Thermaltake Toughpower PF3 1200W PSU Review

Protection Features

OCP (Cold @ 28°C) 12V: 140.2A (140.2%), 12.05V
5V: 27.6A (138%), 5.049V
3.3V: 28.7A (143.5%), 3.334V
5VSB: 4.9A (163.33%), 4.939V
OCP (Hot @ 38°C) 12V: 140A (140%), 12.043V
5V: 27.7A (138.5%), 5.054V
3.3V: 28.6A (143%), 3.339V
5VSB: 4.8A (160%), 4.94V
OPP (Cold @ 28°C) 1482.01W (123.5%)
OPP (Hot @ 39°C) 1359.35W (113.28%)
OTP ✓ (120°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
Fan Failure Protection
SIP Surge: MOV
Inrush: NTC Thermistor & Bypass relay

OCP at 12V should be lower at high temperatures. Currently, it is almost the same in both cold and hot conditions. OCP should also be lower on the minor rails, especially at high operating temperatures. On the contrary, OPP is reasonably set, and the other essential protection features are present and work well.

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