Product comparison · 2 power supply units

GIGABYTE B700H power supply unit vs Zalman ZM400-LX power supply unit

29specifications compared
15differ
14identical
25known for one product only

Key differences

Total power
- B700H power supply unit:700 W
- ZM400-LX power supply unit:400 W
AC input frequency
- B700H power supply unit:47 - 63 Hz
- ZM400-LX power supply unit:50 - 60 Hz
Combined power (+3.3V)
- B700H power supply unit:130 W
- ZM400-LX power supply unit:120 W
Combined power (+12V)
- B700H power supply unit:648 W
- ZM400-LX power supply unit:300 W
Combined power (+5V)
- B700H power supply unit:130 W
- ZM400-LX power supply unit:120 W
Combined power (-12V)
- B700H power supply unit:6 W
- ZM400-LX power supply unit:3.6 W
Combined power (+5Vsb)
- B700H power supply unit:12.5 W
- ZM400-LX power supply unit:10 W
Max output current (+3.3V)
- B700H power supply unit:22 A
- ZM400-LX power supply unit:16 A

Side by side

Differences highlightedShow differences only

Comparison of B700H, ZM400-LX
54 specifications	A GIGABYTE B700H power supply unit Model B700H View product	B Zalman ZM400-LX power supply unit Model ZM400-LX View product
Power12 differ
Total powerDiffers	700 W	400 W
AC input voltage	100 - 240 V	100 - 240 V
AC input frequencyDiffers	47 - 63 Hz	50 - 60 Hz
Input currentKnown for one	10 A	Unknown — not stated by the source
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Differs	130 W	120 W
Combined power (+12V)Differs	648 W	300 W
Combined power (+5V)Differs	130 W	120 W
Combined power (-12V)Differs	6 W	3.6 W
Combined power (+5Vsb)Differs	12.5 W	10 W
Max output current (+3.3V)Differs	22 A	16 A
Max output current (+12V)Differs	54 A	25 A
Max output current (+5V)Differs	18 A	15 A
Max output current (-12V)	0.3 A	0.3 A
Max output current (+5Vsb)Differs	2.5 A	2 A
EfficiencyKnown for one	85%	Unknown — not stated by the source
Power protection featuresDiffers	Over power, Over voltage, Short circuit, Under voltage	Over current, Over power, Over voltage, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connectorKnown for one	20+4 pin ATX	Unknown — not stated by the source
Number of SATA power connectorsKnown for one	7	Unknown — not stated by the source
Peripheral (Molex) power connectors (4-pin)Known for one	3	Unknown — not stated by the source
PCI Express power connectors (6+2 pin)Known for one	4	Unknown — not stated by the source
CPU power connector (4+4 pin)Known for one	Yes	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 connector	Yes	Yes
PCI Express connector	Yes	Yes
Cabling typeDiffers	Semi-Modular	Non-Modular
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
Performance1 differ
Purpose	PC	PC
Power supply unit (PSU) form factor	ATX	ATX
80 PLUS certificationKnown for one	80 PLUS Bronze	Unknown — not stated by the source
ATX versionDiffers	2.3	2.31
Bearing technologyKnown for one	Ball bearing	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100000 h	Unknown — not stated by the source
Design1 differ
Product colour	Black	Black
Cooling type	Active	Active
Fan diameterDiffers	12 cm	14 cm
Number of fans	1 fan(s)	1 fan(s)
Fan locationKnown for one	Top	Unknown — not stated by the source
IlluminationKnown for one	No	Unknown — not stated by the source
On/off switch	Yes	Yes
Certificatesidentical
CertificationKnown for one	CE/BSMI/EAC/TUV/FCC/UL/RCM	Unknown — not stated by the source
Weight & dimensionsidentical
Width	150 mm	150 mm
Depth	140 mm	140 mm
Height	86 mm	86 mm
WeightKnown for one	Unknown — not stated by the source	1.8 kg
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
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%
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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