Product comparison · 2 power supply units

Chieftec GPB-350S power supply unit vs UNYKAch SFX 450W

26specifications compared
18differ
8identical
28known for one product only

Key differences

Total power
- GPB-350S power supply unit:350 W
- SFX 450W:450 W
AC input voltage
- GPB-350S power supply unit:200 - 240 V
- SFX 450W:230 V
AC input frequency
- GPB-350S power supply unit:47 - 63 Hz
- SFX 450W:50 - 60 Hz
Max output current (+3.3V)
- GPB-350S power supply unit:16 A
- SFX 450W:20 A
Max output current (+12V1)
- GPB-350S power supply unit:26 A
- SFX 450W:23 A
Max output current (+5V)
- GPB-350S power supply unit:15 A
- SFX 450W:20 A
Max output current (-12V)
- GPB-350S power supply unit:0.3 A
- SFX 450W:0.5 A
Max output current (+5Vsb)
- GPB-350S power supply unit:2.5 A
- SFX 450W:2 A

Side by side

Differences highlightedShow differences only

Comparison of GPB-350S, SFX 450W
54 specifications	A Chieftec GPB-350S power supply unit Model GPB-350S View product	B UNYKAch SFX 450W View product
Power10 differ
Total powerDiffers	350 W	450 W
AC input voltageDiffers	200 - 240 V	230 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Input currentKnown for one	3 A	Unknown — not stated by the source
Power factorKnown for one	0.9	Unknown — not stated by the source
Power Factor Correction (PFC) typeKnown for one	Active	Unknown — not stated by the source
Combined power (+3.3V)Known for one	90 W	Unknown — not stated by the source
Combined power (+12V)Known for one	312 W	Unknown — not stated by the source
Combined power (+5V)Known for one	90 W	Unknown — not stated by the source
Combined power (-12V)Known for one	3.6 W	Unknown — not stated by the source
Combined power (+5Vsb)Known for one	12.5 W	Unknown — not stated by the source
Max output current (+3.3V)Differs	16 A	20 A
Max output current (+12V1)Differs	26 A	23 A
Max output current (+5V)Differs	15 A	20 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	2 A
EfficiencyDiffers	85%	78%
Power protection featuresDiffers	Over voltage, Overload, Short circuit, Under voltage	Over power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	5	2
Peripheral (Molex) power connectors (4-pin)Differs	3	2
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
Motherboard power cable lengthKnown for one	Unknown — not stated by the source	32 cm
SATA power cable lengthKnown for one	Unknown — not stated by the source	330,480 mm
Peripheral (Molex) power cable lengthKnown for one	Unknown — not stated by the source	330,480 mm
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
CPU power cable lengthKnown for one	Unknown — not stated by the source	43 cm
ATX power connector (20+4 pin)Known for one	Unknown — not stated by the source	Yes
Performance2 differ
PurposeDiffers	PC	PC/Server
Power supply unit (PSU) form factorDiffers	PS/2	SFX
ATX versionKnown for one	2.3	Unknown — not stated by the source
Noise levelKnown for one	Unknown — not stated by the source	28 dB
Design1 differ
Product colour	Silver	Silver
Cooling type	Active	Active
Fan diameterDiffers	12 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
Fan locationKnown for one	Top	Unknown — not stated by the source
On/off switch	Yes	Yes
Certificatesidentical
Compliance certificates	RoHS	RoHS
CertificationKnown for one	Unknown — not stated by the source	EUP 2013 / EN60950 / TÜV / CE
Weight & dimensions3 differ
WidthDiffers	140 mm	125 mm
DepthDiffers	150 mm	100 mm
HeightDiffers	87 mm	65 mm
WeightKnown for one	Unknown — not stated by the source	558 g
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Package type	Box	Box
Package widthKnown for one	Unknown — not stated by the source	155 mm
Package depthKnown for one	Unknown — not stated by the source	130 mm
Package heightKnown for one	Unknown — not stated by the source	75 mm
Package weightKnown for one	Unknown — not stated by the source	718 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source
Other featuresidentical
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Package volumeKnown for one	Unknown — not stated by the source	0.0015 cm³

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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