Product comparison · 2 power supply units

Chieftec GDP-650C power supply unit vs Chieftec GDP-750C power supply unit

Key differences

Total power
- GDP-650C power supply unit:650 W
- GDP-750C power supply unit:750 W
Max output current (+3.3V)
- GDP-650C power supply unit:20 A
- GDP-750C power supply unit:22 A
Max output current (+12V1)
- GDP-650C power supply unit:53 A
- GDP-750C power supply unit:62 A
Max output current (+5V)
- GDP-650C power supply unit:20 A
- GDP-750C power supply unit:22 A
Number of SATA power connectors
- GDP-650C power supply unit:6
- GDP-750C power supply unit:8
PCI Express power connectors (6+2 pin)
- GDP-650C power supply unit:2
- GDP-750C power supply unit:4
Width
- GDP-650C power supply unit:150 mm
- GDP-750C power supply unit:160 mm
Depth
- GDP-650C power supply unit:160 mm
- GDP-750C power supply unit:150 mm

Differences highlightedShow differences only

Comparison of GDP-650C, GDP-750C
38 specifications	A Chieftec GDP-650C power supply unit Model GDP-650C View product	B Chieftec GDP-750C power supply unit Model GDP-750C View product
Power4 differ
Total powerDiffers	650 W	750 W
Power factorKnown for one	Unknown — not stated by the source	0.9
Combined power (+12V)Known for one	Unknown — not stated by the source	744 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	2.5 W
Max output current (+3.3V)Differs	20 A	22 A
Max output current (+12V1)Differs	53 A	62 A
Max output current (+5V)Differs	20 A	22 A
Input currentKnown for one	5 A	Unknown — not stated by the source
Max output current (+5Vsb)Known for one	2.5 A	Unknown — not stated by the source
Ports & interfaces2 differ
Number of SATA power connectorsDiffers	6	8
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6+2 pin)Differs	2	4
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Designidentical
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Fan locationKnown for one	Unknown — not stated by the source	Top
Weight & dimensions2 differ
WidthDiffers	150 mm	160 mm
DepthDiffers	160 mm	150 mm
Other featuresidentical
Frequency toleranceKnown for one	Unknown — not stated by the source	90%
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source

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.