Product comparison · 2 power supply units

UNYKAch SFX 450W vs UNYKAch TFX 350W

Key differences

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 (+5Vsb)Differs	2 A	18 A
EfficiencyDiffers	78%	80%
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Ports & interfaces5 differ
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 cable lengthDiffers	330,480 mm	660,380 mm
CPU power cable lengthDiffers	43 cm	38 cm
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Performance1 differ
Power supply unit (PSU) form factorDiffers	SFX	TFX
Designidentical
On/off switchKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	125 mm	85 mm
DepthDiffers	100 mm	175 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
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.