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Product comparison · 2 computer cooling systems

ARCTIC S4028-15K - 40 mm Server Fan | Value Pack vs Zalman ALPHA28 Black CPU Liquid Cooler 280mm Radiator 2 x 140 mm Fan ARGB pump Dual

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  • 6specifications compared
  • 4differ
  • 2identical
  • 37known for one product only

Key differences

  • Suitable location
    • Computer case
    • Processor
  • Type
    • Fan
    • All-in-one liquid cooler
  • Fan diameter
    • 4 cm
    • 14 cm
  • Maximum air pressure
    • 26.5 mmH2O
    • 1.7 mmH2O

Side by side

Differences highlightedShow differences only
43 specifications
A

ARCTIC

S4028-15K - 40 mm Server Fan | Value Pack

Model S4028-15K

View product
B

Zalman

ALPHA28 Black CPU Liquid Cooler 280mm Radiator 2 x 140 mm Fan ARGB pump DualView product
Performance4 differ
Suitable locationDiffersComputer caseProcessor
TypeDiffersFanAll-in-one liquid cooler
Fan diameterDiffers4 cm14 cm
Rotational speed (min)Known for one1400 RPM
Rotational speed (max)Known for one15000 RPM
Maximum airflowKnown for one19.23 cfm
AirflowKnown for one32.67 m³/h
Maximum air pressureDiffers26.5 mmH2O1.7 mmH2O
Pulse-width modulation (PWM) supportYesYes
Bearing typeKnown for oneFluid Dynamic Bearing (FDB)
Fan bearing technologyKnown for oneFluid Dynamic Bearing (FDB)
Quantity per packKnown for one5 pc(s)
Supported processor socketsKnown for oneLGA 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
Fan noise level (max)Known for one34 dB
Pump bearing technologyKnown for oneCeramic bearing
Fan speed (max)Known for one1600 RPM
Fan speed (min)Known for one500 RPM
Pump motor speed (max)Known for one3200 RPM
Designidentical
Product colourBlackBlack
Fan connectorKnown for one4-pin
Radiator materialKnown for oneAluminum
Poweridentical
VoltageKnown for one12 V
Starting voltageKnown for one4.5 V
Rated currentKnown for one0.47 A
Weight & dimensionsidentical
WidthKnown for one40 mm
DepthKnown for one40 mm
HeightKnown for one28 mm
WeightKnown for one42 g
Cable lengthKnown for one0.4 m
Package widthKnown for one90 mm
Package depthKnown for one86 mm
Package heightKnown for one55 mm
Package weightKnown for one244 g
Radiator widthKnown for one30.6 cm
Radiator depthKnown for one14 cm
Radiator heightKnown for one2.7 cm
Pump widthKnown for one6.8 cm
Pump depthKnown for one6.8 cm
Pump heightKnown for one6.2 cm
Fan dimensions (W x D x H)Known for one140 x 140 x 25 mm
Packaging contentidentical
Package typeKnown for oneBox
Screws includedKnown for oneYes
Number of screwsKnown for one20

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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