Product comparison · 2 power supply units

UNYKAch 51980 power supply unit vs UNYKAch ATX 300W

28specifications compared
19differ
9identical
23known for one product only

Key differences

Total power
- 51980 power supply unit:550 W
- ATX 300W:300 W
Power Factor Correction (PFC) type
- 51980 power supply unit:Passive
- ATX 300W:Active
Max output current (+3.3V)
- 51980 power supply unit:30 A
- ATX 300W:3.3 A
Max output current (+12V1)
- 51980 power supply unit:24 A
- ATX 300W:21.4 A
Max output current (+5V)
- 51980 power supply unit:32 A
- ATX 300W:3 A
Max output current (-12V)
- 51980 power supply unit:0.5 A
- ATX 300W:0.3 A
Max output current (+5Vsb)
- 51980 power supply unit:2 A
- ATX 300W:2.5 A
Efficiency
- 51980 power supply unit:75%
- ATX 300W:85%

Side by side

Differences highlightedShow differences only

Comparison of 51980, ATX 300W
51 specifications	A UNYKAch 51980 power supply unit Model 51980 View product	B UNYKAch ATX 300W View product
Power9 differ
Total powerDiffers	550 W	300 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power Factor Correction (PFC) typeDiffers	Passive	Active
Max output current (+3.3V)Differs	30 A	3.3 A
Max output current (+12V1)Differs	24 A	21.4 A
Max output current (+5V)Differs	32 A	3 A
Max output current (-12V)Differs	0.5 A	0.3 A
Max output current (+5Vsb)Differs	2 A	2.5 A
EfficiencyDiffers	75%	85%
Power protection featuresDiffers	Over current, Over voltage, Overload, Short circuit, Under voltage	Over power, Over voltage, Overcharge, Overheating, Overload, Short circuit, Under voltage
Ports & interfaces5 differ
Number of SATA power connectorsDiffers	2	3
SATA power cable lengthDiffers	330,480 mm	350,500 mm
Peripheral (Molex) power cable lengthDiffers	330,480 mm	350,650 mm
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	1
PCI Express power cable lengthDiffers	32 cm	42 cm
CPU power cable lengthDiffers	32 cm	42 cm
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Motherboard power cable lengthKnown for one	30 cm	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	1	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
Performance1 differ
PurposeDiffers	PC	PC/Server
Supported motherboard form factorsKnown for one	Unknown — not stated by the source	ATX
Noise levelKnown for one	Unknown — not stated by the source	28 dB
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black	Silver
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan locationKnown for one	Top	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	EN60950, CE, TÜV	EUP 2013 / EN60950 / TÜV / CE
Weight & dimensions2 differ
WidthDiffers	140 mm	150 mm
DepthDiffers	150 mm	140 mm
WeightKnown for one	Unknown — not stated by the source	976 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	165 mm
Package depthKnown for one	Unknown — not stated by the source	215 mm
Package heightKnown for one	Unknown — not stated by the source	90 mm
Package weightKnown for one	Unknown — not stated by the source	1.14 kg
Package typeKnown for one	Unknown — not stated by the source	Box
Other featuresidentical
Package volumeKnown for one	Unknown — not stated by the source	0.0032 cm³
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 50 °C	Unknown — not stated by the source

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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