Product comparison · 2 power supply units

UNYKAch SFX 300W vs UNYKAch TFX 350W

38specifications compared
21differ
17identical
3known for one product only

Key differences

Total power
- SFX 300W:300 W
- TFX 350W:350 W
AC input voltage
- SFX 300W:230 V
- TFX 350W:110 - 240 V
Max output current (+3.3V)
- SFX 300W:3.75 A
- TFX 350W:18 A
Max output current (+12V1)
- SFX 300W:21.4 A
- TFX 350W:20 A
Max output current (+5V)
- SFX 300W:3 A
- TFX 350W:18 A
Max output current (-12V)
- SFX 300W:0.3 A
- TFX 350W:0.5 A
Max output current (+5Vsb)
- SFX 300W:2.5 A
- TFX 350W:18 A
Efficiency
- SFX 300W:85%
- TFX 350W:80%

Side by side

Differences highlightedShow differences only

Comparison of SFX 300W, TFX 350W
41 specifications	A UNYKAch SFX 300W View product	B UNYKAch TFX 350W View product
Power8 differ
Total powerDiffers	300 W	350 W
AC input voltageDiffers	230 V	110 - 240 V
AC input frequency	47 - 63 Hz	47 - 63 Hz
Power Factor Correction (PFC) type	Active	Active
Max output current (+3.3V)Differs	3.75 A	18 A
Max output current (+12V1)Differs	21.4 A	20 A
Max output current (+5V)Differs	3 A	18 A
Max output current (-12V)Differs	0.3 A	0.5 A
Max output current (+5Vsb)Differs	2.5 A	18 A
EfficiencyDiffers	85%	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
Ports & interfaces3 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Motherboard power cable length	38 cm	38 cm
Number of SATA power connectors	3	3
SATA power cable lengthDiffers	530 mm	380,500 mm
Peripheral (Molex) power connectors (4-pin)	2	2
Peripheral (Molex) power cable lengthDiffers	680,380 mm	660,380 mm
CPU power connector (4+4 pin)Known for one	Yes	Unknown — not stated by the source
CPU power cable lengthDiffers	42 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
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
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)
Certificates1 differ
Compliance certificates	RoHS	RoHS
CertificationDiffers	EUP 2013 / ErP 617/2013 / 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	750 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	844 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.

More power supply unit comparisons

All power supply unit comparisons