Product comparison · 2 power supply units

Zalman ZM400-LE power supply unit vs Zalman ZM500-LE power supply unit

44specifications compared
10differ
34identical
3known for one product only

Key differences

Total power
- ZM400-LE power supply unit:400 W
- ZM500-LE power supply unit:500 W
AC input voltage
- ZM400-LE power supply unit:115 V
- ZM500-LE power supply unit:115 - 230 V
Input current
- ZM400-LE power supply unit:8 A
- ZM500-LE power supply unit:10 A
Combined power (+12V)
- ZM400-LE power supply unit:300 W
- ZM500-LE power supply unit:444 W
Max output current (+3.3V)
- ZM400-LE power supply unit:16 A
- ZM500-LE power supply unit:18 A
Max output current (+12V1)
- ZM400-LE power supply unit:17 A
- ZM500-LE power supply unit:20 A
Max output current (+12V2)
- ZM400-LE power supply unit:14 A
- ZM500-LE power supply unit:20 A
Number of SATA power connectors
- ZM400-LE power supply unit:4
- ZM500-LE power supply unit:6

Side by side

Differences highlightedShow differences only

Comparison of ZM400-LE, ZM500-LE
47 specifications	A Zalman ZM400-LE power supply unit Model ZM400-LE View product	B Zalman ZM500-LE power supply unit Model ZM500-LE View product
Power7 differ
Total powerDiffers	400 W	500 W
AC input voltageDiffers	115 V	115 - 230 V
AC input frequency	47 - 63 Hz	47 - 63 Hz
Input currentDiffers	8 A	10 A
Maximum input current (@110V)	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V	+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V
Power factor	0.5	0.5
Combined power (+3.3V)	120 W	120 W
Combined power (+12V)Differs	300 W	444 W
Combined power (+5V)	120 W	120 W
Combined power (-12V)	3.6 W	3.6 W
Combined power (+5Vsb)	10 W	10 W
Max output current (+3.3V)Differs	16 A	18 A
Max output current (+12V1)Differs	17 A	20 A
Max output current (+12V2)Differs	14 A	20 A
Max output current (+5V)	15 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)	2 A	2 A
Efficiency	81%	81%
Power protection features	Over power, Over voltage, Short circuit, Under voltage	Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces2 differ
Motherboard power connector	20+4 pin ATX	20+4 pin ATX
Number of SATA power connectorsDiffers	4	6
Peripheral (Molex) power connectors (4-pin)	3	3
EPS power connector (8-pin)Known for one	Unknown — not stated by the source	Yes
PCI Express power connectors (6-pin)Differs	2	1
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	1
CPU P4 connector (4-pin)Known for one	Unknown — not stated by the source	1
CPU power connector (4+4 pin)	Yes	Yes
Floppy drive power connector	1	1
Cabling type	Non-Modular	Non-Modular
Performanceidentical
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
ATX version	2.3	2.3
Designidentical
Product colour	Black	Black
Cooling type	Active	Active
Fan diameter	12 cm	12 cm
Number of fans	1 fan(s)	1 fan(s)
Fan location	Side	Side
On/off switch	Yes	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 85%	5 - 85%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Certificatesidentical
Certification	ErP Lot 6	ErP Lot 6
Weight & dimensions1 differ
Width	150 mm	150 mm
Depth	140 mm	140 mm
Height	86 mm	86 mm
WeightDiffers	1.7 kg	1.8 kg

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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