Product comparison · 2 power supply units

Chieftec SFX-450BS power supply unit vs Chieftec SFX-500GD-C power supply unit

27specifications compared
18differ
9identical
14known for one product only

Key differences

Total power
- SFX-450BS power supply unit:450 W
- SFX-500GD-C power supply unit:500 W
AC input voltage
- SFX-450BS power supply unit:230 V
- SFX-500GD-C power supply unit:100 - 240 V
AC input frequency
- SFX-450BS power supply unit:50 Hz
- SFX-500GD-C power supply unit:50 - 60 Hz
Input current
- SFX-450BS power supply unit:3.5 A
- SFX-500GD-C power supply unit:7 A
Combined power (+3.3V)
- SFX-450BS power supply unit:120 W
- SFX-500GD-C power supply unit:105 W
Combined power (+5V)
- SFX-450BS power supply unit:120 W
- SFX-500GD-C power supply unit:105 W
Combined power (-12V)
- SFX-450BS power supply unit:6 W
- SFX-500GD-C power supply unit:3.6 W
Max output current (+3.3V)
- SFX-450BS power supply unit:21 A
- SFX-500GD-C power supply unit:20 A

Side by side

Differences highlightedShow differences only

Comparison of SFX-450BS, SFX-500GD-C
41 specifications	A Chieftec SFX-450BS power supply unit Model SFX-450BS View product	B Chieftec SFX-500GD-C power supply unit Model SFX-500GD-C View product
Power11 differ
Total powerDiffers	450 W	500 W
AC input voltageDiffers	230 V	100 - 240 V
AC input frequencyDiffers	50 Hz	50 - 60 Hz
Input currentDiffers	3.5 A	7 A
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	120 W	105 W
Combined power (+5V)Differs	120 W	105 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)	15 W	15 W
Max output current (+3.3V)Differs	21 A	20 A
Max output current (+12V1)Differs	36 A	40 A
Max output current (+5V)Differs	22 A	20 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)	3 A	3 A
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over voltage, Overload, Short circuit, Under voltage
Power factorKnown for one	0.9	Unknown — not stated by the source
EfficiencyKnown for one	85%	Unknown — not stated by the source
Ports & interfaces4 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	2	4
Peripheral (Molex) power connectors (4-pin)Differs	1	2
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	0
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	1
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
Floppy drive power connectorDiffers	1	0
Cabling typeDiffers	Non-Modular	Fully-Modular
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Performanceidentical
Power supply unit (PSU) form factor	SFX	SFX
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Gold
ATX version	2.3	2.3
PurposeKnown for one	PC	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Silver	Black
Fan diameterDiffers	8 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	UVP; OVP; SCP; OPP; AFC;	Unknown — not stated by the source
Weight & dimensions1 differ
Width	125 mm	125 mm
DepthDiffers	100 mm	125 mm
Height	64 mm	64 mm
Other featuresidentical
Frequency toleranceKnown for one	Unknown — not stated by the source	90%

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.

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