Product comparison · 2 power supply units

Zalman ZM500-HP power supply unit vs Zalman ZM660-XT power supply unit

Key differences

Total power
- ZM500-HP power supply unit:500 W
- ZM660-XT power supply unit:660 W
Number of SATA power connectors
- ZM500-HP power supply unit:2
- ZM660-XT power supply unit:4
Dimensions (WxDxH)
- ZM500-HP power supply unit:86 x 150 x 165 mm
- ZM660-XT power supply unit:150 x 180 x 86 mm

Differences highlightedShow differences only

Comparison of ZM500-HP, ZM660-XT
18 specifications	A Zalman ZM500-HP power supply unit Model ZM500-HP View product	B Zalman ZM660-XT power supply unit Model ZM660-XT View product
Power1 differ
Total powerDiffers	500 W	660 W
EfficiencyKnown for one	Unknown — not stated by the source	88%
Power protection featuresKnown for one	Unknown — not stated by the source	Overload, Short circuit
AC input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Ports & interfaces1 differ
Number of SATA power connectorsDiffers	2	4
PCI Express power connectors (6-pin)	Yes	Yes
ATX Power connector (24-pin)	Yes	Yes
Cabling type	Semi-Modular	Semi-Modular
Designidentical
Product colour	Black	Black
Fan diameterKnown for one	Unknown — not stated by the source	14 cm
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 - 80 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Other features1 differ
Dimensions (WxDxH)Differs	86 x 150 x 165 mm	150 x 180 x 86 mm
Ports quantityKnown for one	Unknown — not stated by the source	6
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240VAC, 50-60Hz
Performanceidentical
Power supply unit (PSU) form factorKnown for one	ATX	Unknown — not stated by the source

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.