Chieftec CHP-450A power supply unit vs Chieftec CTG-450-80P power supply unit

Comparison of CHP-450A, CTG-450-80P

19 specifications	A Chieftec CHP-450A power supply unit Model CHP-450A View product	B Chieftec CTG-450-80P power supply unit Model CTG-450-80P View product
Poweridentical
AC input voltageKnown for one	—Unknown — not stated by the source	230 V
AC input frequencyKnown for one	—Unknown — not stated by the source	50 Hz
Input currentKnown for one	—Unknown — not stated by the source	3.5 A
EfficiencyKnown for one	—Unknown — not stated by the source	80%
Power protection featuresKnown for one	—Unknown — not stated by the source	Over current, Over voltage, Short circuit, Under voltage
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	3	4
ATX power connector (20+4 pin)Known for one	—Unknown — not stated by the source	Yes
Performanceidentical
Noise levelKnown for one	—Unknown — not stated by the source	24 dB
Mean time between failures (MTBF)Known for one	—Unknown — not stated by the source	100000 h
Designidentical
Fan diameterKnown for one	—Unknown — not stated by the source	12 cm
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	150 x 140 x 87 mm
Power over Ethernet (PoE)Known for one	—Unknown — not stated by the source	No
Redundant power supply (RPS) supportKnown for one	—Unknown — not stated by the source	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.