Product comparison · 2 power supply units

Ewent EW3901 power supply unit vs FSP300-701UJ power supply unit

8specifications compared
7differ
1identical
23known for one product only

Key differences

Total power
- EW3901 power supply unit:500 W
- FSP300-701UJ power supply unit:300 W
AC input voltage
- EW3901 power supply unit:230 V
- FSP300-701UJ power supply unit:115 - 230 V
Power Factor Correction (PFC) type
- EW3901 power supply unit:Passive
- FSP300-701UJ power supply unit:Active
Purpose
- EW3901 power supply unit:PC
- FSP300-701UJ power supply unit:Server
Power supply unit (PSU) form factor
- EW3901 power supply unit:ATX
- FSP300-701UJ power supply unit:1U
Product colour
- EW3901 power supply unit:Black
- FSP300-701UJ power supply unit:Grey
Fan diameter
- EW3901 power supply unit:12 cm
- FSP300-701UJ power supply unit:4 cm

Side by side

Differences highlightedShow differences only

Comparison of EW3901, FSP300-701UJ
31 specifications	A Ewent EW3901 power supply unit Model EW3901 View product	B FSP FSP300-701UJ power supply unit Model FSP300-701UJ View product
Power3 differ
Total powerDiffers	500 W	300 W
AC input voltageDiffers	230 V	115 - 230 V
AC input frequencyKnown for one	Unknown — not stated by the source	47 - 63 Hz
Power Factor Correction (PFC) typeDiffers	Passive	Active
Max output current (+3.3V)Known for one	Unknown — not stated by the source	14 A
Max output current (+12V1)Known for one	Unknown — not stated by the source	16 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	16 A
Max output current (+5V)Known for one	Unknown — not stated by the source	16 A
Max output current (-12V)Known for one	Unknown — not stated by the source	0.5 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	3 A
EfficiencyKnown for one	Unknown — not stated by the source	85%
Hold timeKnown for one	Unknown — not stated by the source	17 ms
Power protection featuresKnown for one	Unknown — not stated by the source	Over power, Short circuit
Ports & interfacesidentical
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	3	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	3	Unknown — not stated by the source
CPU P4 connector (4-pin)Known for one	1	Unknown — not stated by the source
Performance2 differ
PurposeDiffers	PC	Server
Power supply unit (PSU) form factorDiffers	ATX	1U
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Bronze
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
ATX versionKnown for one	2.3	Unknown — not stated by the source
Design2 differ
Product colourDiffers	Black	Grey
Fan diameterDiffers	12 cm	4 cm
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 50 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °C
Safety regulation & standardsidentical
SafetyKnown for one	Unknown — not stated by the source	CE,FCC,TUV,CCC
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	100 mm
DepthKnown for one	Unknown — not stated by the source	190 mm
HeightKnown for one	Unknown — not stated by the source	40.5 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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