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Product comparison · 2 computer cooling systems

Zalman CNPS4X BLACK V2 vs Zalman CNPS9X OPTIMA2

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  • 24specifications compared
  • 12differ
  • 12identical
  • 8known for one product only

Key differences

  • Fan diameter
    • 9.2 cm
    • 12 cm
  • Rotational speed (max)
    • 2000 RPM
    • 1500 RPM
  • Noise level (high speed)
    • 29 dB
    • 29.5 dB
  • Maximum airflow
    • 44 cfm
    • 47.12 cfm
  • Bearing type
    • Hydro Dynamic Bearing (HDB)
    • Hydraulic
  • Number of fan blades
    • 7
    • 9
  • Number of heat pipes
    • 3
    • 4
  • Width
    • 95 mm
    • 120 mm

Side by side

Differences highlightedShow differences only
32 specifications
A

Zalman

CNPS4X BLACK V2View product
B

Zalman

CNPS9X OPTIMA2View product
Performance6 differ
Suitable locationProcessorProcessor
TypeFanFan
Fan diameterDiffers9.2 cm12 cm
Supported processor socketsDiffersLGA 1851, LGA 1700, Socket AM4, Socket AM5LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1200 (Socket H5), LGA 1700, LGA 2011 (Socket R), LGA 2011-v3 (Socket R), LGA 2066, Socket AM3, Socket AM4, Socket AM5
Rotational speed (min)800 RPM800 RPM
Rotational speed (max)Differs2000 RPM1500 RPM
Noise level (high speed)Differs29 dB29.5 dB
Maximum airflowDiffers44 cfm47.12 cfm
Pulse-width modulation (PWM) supportYesYes
Bearing typeDiffersHydro Dynamic Bearing (HDB)Hydraulic
Quantity per pack1 pc(s)1 pc(s)
Fan static pressureKnown for one1.06 mmH2O
Design2 differ
Product colourBlackBlack
MaterialAluminium, CopperAluminium, Copper
Number of fans1 fan(s)1 fan(s)
Number of fan bladesDiffers79
Number of heat pipesDiffers34
Illumination LEDKnown for oneYes
Fan connector4-pin4-pin
Poweridentical
Power consumption (typical)Known for one3.72 W
Rated voltage12 V12 V
LED voltageKnown for one5 V
Rated currentKnown for one0.31 A
Weight & dimensions4 differ
WidthDiffers95 mm120 mm
Depth75 mm75 mm
HeightDiffers135 mm155 mm
WeightDiffers420 g635 g
Fan dimensions (W x D x H)Differs92 x 92 x 25 mm120 x 120 x 25 mm
Packaging contentidentical
Mounting kitKnown for oneYes
Screws includedKnown for oneYes
Number of clipsKnown for one2
Other featuresidentical
Thermal greaseYesYes

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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