Product comparison · 2 power supply units

HP 643955-101 power supply unit vs Zalman ZM400-LX power supply unit

5specifications compared
3differ
2identical
35known for one product only

Key differences

Total power
- 643955-101 power supply unit:750 W
- ZM400-LX power supply unit:400 W
Purpose
- 643955-101 power supply unit:Server
- ZM400-LX power supply unit:PC
Product colour
- 643955-101 power supply unit:Grey
- ZM400-LX power supply unit:Black

Side by side

Differences highlightedShow differences only

Comparison of 643955-101, ZM400-LX
40 specifications	A HP 643955-101 power supply unit Model 643955-101 View product	B Zalman ZM400-LX power supply unit Model ZM400-LX View product
Power1 differ
Total powerDiffers	750 W	400 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Power Factor Correction (PFC) typeKnown for one	Unknown — not stated by the source	Active
Combined power (+3.3V)Known for one	Unknown — not stated by the source	120 W
Combined power (+12V)Known for one	Unknown — not stated by the source	300 W
Combined power (+5V)Known for one	Unknown — not stated by the source	120 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 (+3.3V)Known for one	Unknown — not stated by the source	16 A
Max output current (+12V)Known for one	Unknown — not stated by the source	25 A
Max output current (+5V)Known for one	Unknown — not stated by the source	15 A
Max output current (-12V)Known for one	Unknown — not stated by the source	0.3 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	2 A
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfacesidentical
Motherboard power cable lengthKnown for one	Unknown — not stated by the source	50 cm
SATA power cable lengthKnown for one	Unknown — not stated by the source	400,450 mm
CPU power cable lengthKnown for one	Unknown — not stated by the source	60 cm
Floppy disk drive connectorKnown for one	Unknown — not stated by the source	Yes
PCI Express connectorKnown for one	Unknown — not stated by the source	Yes
Cabling typeKnown for one	Unknown — not stated by the source	Non-Modular
Performance1 differ
PurposeDiffers	Server	PC
Power supply unit (PSU) form factorKnown for one	Unknown — not stated by the source	ATX
ATX versionKnown for one	Unknown — not stated by the source	2.31
Compatible productsKnown for one	ProLiant DL360E G8, DL380E G8	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Grey	Black
Cooling type	Active	Active
Fan diameterKnown for one	Unknown — not stated by the source	14 cm
Number of fans	1 fan(s)	1 fan(s)
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	150 mm
DepthKnown for one	Unknown — not stated by the source	140 mm
HeightKnown for one	Unknown — not stated by the source	86 mm
WeightKnown for one	Unknown — not stated by the source	1.8 kg
Other featuresidentical
Screws includedKnown for one	Unknown — not stated by the source	Yes
Cable ties includedKnown for one	Unknown — not stated by the source	Yes

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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