Product comparison · 2 power supply units

UNYKAch SFX 450W vs UNYKAch TFX 350W

38specifications compared
22differ
16identical
3known for one product only

Key differences

Total power
- SFX 450W:450 W
- TFX 350W:350 W
AC input voltage
- SFX 450W:230 V
- TFX 350W:110 - 240 V
AC input frequency
- SFX 450W:50 - 60 Hz
- TFX 350W:47 - 63 Hz
Max output current (+3.3V)
- SFX 450W:20 A
- TFX 350W:18 A
Max output current (+12V1)
- SFX 450W:23 A
- TFX 350W:20 A
Max output current (+5V)
- SFX 450W:20 A
- TFX 350W:18 A
Max output current (+5Vsb)
- SFX 450W:2 A
- TFX 350W:18 A
Efficiency
- SFX 450W:78%
- TFX 350W:80%

Side by side

Differences highlightedShow differences only

Comparison of SFX 450W, TFX 350W
41 specifications	A UNYKAch SFX 450W View product	B UNYKAch TFX 350W View product
Power8 differ
Total powerDiffers	450 W	350 W
AC input voltageDiffers	230 V	110 - 240 V
AC input frequencyDiffers	50 - 60 Hz	47 - 63 Hz
Max output current (+3.3V)Differs	20 A	18 A
Max output current (+12V1)Differs	23 A	20 A
Max output current (+5V)Differs	20 A	18 A
Max output current (-12V)	0.5 A	0.5 A
Max output current (+5Vsb)Differs	2 A	18 A
EfficiencyDiffers	78%	80%
Power protection features	Over power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage	Over power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Ports & interfaces5 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable lengthDiffers	32 cm	38 cm
Number of SATA power connectorsDiffers	2	3
SATA power cable lengthDiffers	330,480 mm	380,500 mm
Peripheral (Molex) power connectors (4-pin)	2	2
Peripheral (Molex) power cable lengthDiffers	330,480 mm	660,380 mm
CPU P4 connector (4-pin)	1	1
CPU power cable lengthDiffers	43 cm	38 cm
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Cabling type	Non-Modular	Non-Modular
Performance1 differ
Purpose	PC/Server	PC/Server
Power supply unit (PSU) form factorDiffers	SFX	TFX
Noise level	28 dB	28 dB
Designidentical
Product colour	Silver	Silver
Cooling type	Active	Active
Fan diameter	8 cm	8 cm
Number of fans	1 fan(s)	1 fan(s)
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	EUP 2013 / EN60950 / TÜV / CE	EUP 2013 / EN60950 / TÜV / CE
Weight & dimensions3 differ
WidthDiffers	125 mm	85 mm
DepthDiffers	100 mm	175 mm
Height	65 mm	65 mm
WeightDiffers	558 g	844 g
Packaging data4 differ
Package widthDiffers	155 mm	105 mm
Package depthDiffers	130 mm	200 mm
Package heightDiffers	75 mm	90 mm
Package weightDiffers	718 g	1.04 kg
Package type	Box	Box
Other features1 differ
Package volumeDiffers	0.0015 cm³	0.0019 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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