Product comparison · 2 power supply units

UNYKAch 51980 power supply unit vs UNYKAch MATX SFX

25specifications compared
16differ
9identical
22known for one product only

Key differences

Total power
- 51980 power supply unit:550 W
- MATX SFX:300 W
AC input voltage
- 51980 power supply unit:230 V
- MATX SFX:110 - 230 V
Power Factor Correction (PFC) type
- 51980 power supply unit:Passive
- MATX SFX:Active
Max output current (+3.3V)
- 51980 power supply unit:30 A
- MATX SFX:6 A
Max output current (+5V)
- 51980 power supply unit:32 A
- MATX SFX:6 A
Max output current (-12V)
- 51980 power supply unit:0.5 A
- MATX SFX:0.3 A
Efficiency
- 51980 power supply unit:75%
- MATX SFX:85%
Number of SATA power connectors
- 51980 power supply unit:2
- MATX SFX:3

Side by side

Differences highlightedShow differences only

Comparison of 51980, MATX SFX
47 specifications	A UNYKAch 51980 power supply unit Model 51980 View product	B UNYKAch MATX SFX View product
Power8 differ
Total powerDiffers	550 W	300 W
AC input voltageDiffers	230 V	110 - 230 V
Power Factor Correction (PFC) typeDiffers	Passive	Active
Max output current (+3.3V)Differs	30 A	6 A
Max output current (+12V1)Known for one	24 A	Unknown — not stated by the source
Max output current (+5V)Differs	32 A	6 A
Max output current (-12V)Differs	0.5 A	0.3 A
EfficiencyDiffers	75%	85%
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over current, Over voltage, Short circuit, Under voltage
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Input currentKnown for one	Unknown — not stated by the source	2 A
Combined power (+3.3V)Known for one	Unknown — not stated by the source	49.8 W
Combined power (+12V)Known for one	Unknown — not stated by the source	240 W
Combined power (+5V)Known for one	Unknown — not stated by the source	49.8 W
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	10 W
Max output current (+12V)Known for one	Unknown — not stated by the source	20 A
Ports & interfaces1 differ
Motherboard power cable lengthKnown for one	30 cm	Unknown — not stated by the source
Number of SATA power connectorsDiffers	2	3
SATA power cable lengthKnown for one	330,480 mm	Unknown — not stated by the source
Peripheral (Molex) power cable lengthKnown for one	330,480 mm	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	1	Unknown — not stated by the source
PCI Express power cable lengthKnown for one	32 cm	Unknown — not stated by the source
CPU power cable lengthKnown for one	32 cm	Unknown — not stated by the source
ATX power connector (20+4 pin)Known for one	Yes	Unknown — not stated by the source
Floppy disk drive cable lengthKnown for one	65 cm	Unknown — not stated by the source
Floppy disk drive connectorKnown for one	Yes	Unknown — not stated by the source
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
Performance1 differ
Power supply unit (PSU) form factorDiffers	ATX	SFX
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black	Aluminium
Fan diameterDiffers	12 cm	8 cm
On/off switchKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 50 °C	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	EN60950, CE, TÜV	CE EN60950 TÜV ErP OVP/UVP/OTP/OCP/OLP/OPP/SCP/ETC APFC
Weight & dimensions3 differ
WidthDiffers	140 mm	100 mm
DepthDiffers	150 mm	125 mm
HeightDiffers	85 mm	63 mm

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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