Product comparison · 2 power supply units

Ewent EW3901 power supply unit vs Ewent EW3904 power supply unit

Key differences

Total power
- EW3901 power supply unit:500 W
- EW3904 power supply unit:550 W
AC input voltage
- EW3901 power supply unit:230 V
- EW3904 power supply unit:110 - 230 V
Number of SATA power connectors
- EW3901 power supply unit:3
- EW3904 power supply unit:4
Peripheral (Molex) power connectors (4-pin)
- EW3901 power supply unit:3
- EW3904 power supply unit:4
ATX version
- EW3901 power supply unit:2.3
- EW3904 power supply unit:2.2

Differences highlightedShow differences only

Comparison of EW3901, EW3904
20 specifications	A Ewent EW3901 power supply unit Model EW3901 View product	B Ewent EW3904 power supply unit Model EW3904 View product
Power2 differ
Total powerDiffers	500 W	550 W
AC input voltageDiffers	230 V	110 - 230 V
Power Factor Correction (PFC) type	Passive	Passive
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	3	4
Peripheral (Molex) power connectors (4-pin)Differs	3	4
PCI Express power connectors (8-pin)Known for one	Unknown — not stated by the source	1
CPU P4 connector (4-pin)	1	1
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
Cabling typeKnown for one	Non-Modular	Unknown — not stated by the source
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
ATX versionDiffers	2.3	2.2
Designidentical
Product colour	Black	Black
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan diameter	12 cm	12 cm
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Fan locationKnown for one	Unknown — not stated by the source	Top
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020
Other featuresidentical
Omnigrid (4-pin) power connectorsKnown for one	Unknown — not stated by the source	2

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.