Product comparison · 2 computer cooling systems

be quiet! SilentWings USC 120mm vs Zalman CNPS9900 NT

Key differences

Type
- SilentWings USC 120mm:Fan
- CNPS9900 NT:Air cooler
Dimensions (WxDxH)
- SilentWings USC 120mm:120 x 120 x 25 mm
- CNPS9900 NT:131 x 94 x 152 mm
Rotational speed
- SilentWings USC 120mm:1500 RPM
- CNPS9900 NT:800 RPM

Differences highlightedShow differences only

Comparison of SilentWings USC 120mm, CNPS9900 NT
15 specifications	A be quiet! SilentWings USC 120mm View product	B Zalman CNPS9900 NT View product
Performance1 differ
TypeDiffers	Fan	Air cooler
Noise level (high speed)Known for one	17 dB	Unknown — not stated by the source
Compatible productsKnown for one	Unknown — not stated by the source	Pentium 4, Celeron D, Pentium D, Core 2 Duo, Core 2 Quad, Core 2 Extreme, Pentium Dual Core, Core i7, Core i5, Sempron, Athlon, Athlon 64, Athlon FX, Athlon 64 FX, Opteron, Dual-Core Opteron, Phenom, Athlon X2, Athlon 64 X2, Phenom II, Athlon II
Designidentical
Product colourKnown for one	Grey	Unknown — not stated by the source
MaterialKnown for one	Unknown — not stated by the source	Copper
Poweridentical
Power consumption (typical)Known for one	0.84 W	Unknown — not stated by the source
Rated currentKnown for one	0.07 A	Unknown — not stated by the source
Other features2 differ
Dimensions (WxDxH)Differs	120 x 120 x 25 mm	131 x 94 x 152 mm
Rotational speedDiffers	1500 RPM	800 RPM
AirflowKnown for one	85.5 m³/h	Unknown — not stated by the source
Product lifeKnown for one	300000 h	Unknown — not stated by the source
Speed detectionKnown for one	Unknown — not stated by the source	Yes
Connector(s)Known for one	Unknown — not stated by the source	4 Pin
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	730 g
Technical detailsidentical
Bearing technologyKnown for one	Unknown — not stated by the source	Double ball bearing

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.