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Product comparison · 2 computer cooling systems

Hiditec DC40 PRO vs UNYKAch UNYCOOL H21 ARGB

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  • 21specifications compared
  • 17differ
  • 4identical
  • 24known for one product only

Key differences

The Hiditec DC40 PRO has 3 cm more fan diameter than the UNYKAch UNYCOOL H21 ARGB (12 cm vs 9 cm). The Hiditec DC40 PRO has 9.5 dB more noise level (high speed) than the UNYKAch UNYCOOL H21 ARGB (31 dB vs 21.5 dB). The Hiditec DC40 PRO has 39.37 cfm more maximum airflow than the UNYKAch UNYCOOL H21 ARGB (75.48 cfm vs 36.11 cfm). Bearing type: Fluid Dynamic Bearing (FDB) on the Hiditec DC40 PRO, Hydraulic on the UNYKAch UNYCOOL H21 ARGB. Product colour: Black on the Hiditec DC40 PRO, Black, Grey on the UNYKAch UNYCOOL H21 ARGB.

  • Fan diameter
    • 12 cm
    • 9 cm
  • Noise level (high speed)
    • 31 dB
    • 21.5 dB
  • Maximum airflow
    • 75.48 cfm
    • 36.11 cfm
  • Maximum air pressure
    • 2.27 mmH2O
    • 1.2 mmH2O
  • Bearing type
    • Fluid Dynamic Bearing (FDB)
    • Hydraulic
  • Mean time between failures (MTBF)
    • 60000 h
    • 30000 h
  • Product colour
    • Black
    • Black, Grey
  • Number of fan blades
    • 9
    • 7

Side by side

Differences highlightedShow differences only
45 specifications
A

Hiditec

DC40 PROView product
B

UNYKAch

UNYCOOL H21 ARGBView product
Performance7 differ
Suitable locationProcessorProcessor
TypeAir coolerAir cooler
Fan diameterDiffers12 cm9 cm
Supported processor socketsDiffersLGA 1851, LGA 1700, LGA 1200 (Socket H5), LGA 1156 (Socket H), LGA 1155 (Socket H2), LGA 1151 (Socket H4), LGA 1150 (Socket H3), LGA 1366 (Socket B), Socket AM4, Socket AM5, Socket AM3+, Socket AM3, Socket AM2LGA 1851, LGA 1700, LGA 1200 (Socket H5), LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1366 (Socket B), LGA 775 (Socket T), Socket AM5, Socket AM4, Socket AM3+, Socket FM2, Socket FM1, Socket AM3, Socket AM2, Socket AM2+
Rotational speed (min)Known for one800 RPM
Rotational speed (max)Known for one2000 RPM
Noise level (high speed)Differs31 dB21.5 dB
Maximum airflowDiffers75.48 cfm36.11 cfm
Maximum air pressureDiffers2.27 mmH2O1.2 mmH2O
Pulse-width modulation (PWM) supportYesYes
Bearing typeDiffersFluid Dynamic Bearing (FDB)Hydraulic
Mean time between failures (MTBF)Differs60000 h30000 h
Quantity per packKnown for one1 pc(s)
Design3 differ
Product colourDiffersBlackBlack, Grey
Number of fan bladesDiffers97
Number of finsKnown for one30
Number of heat pipesDiffers62
Illumination LEDKnown for oneYes
Illumination colourKnown for oneRed, Green, Blue
Fan connector4-pin4-pin
MaterialKnown for oneAluminium, Copper
Number of fansKnown for one2 fan(s)
Fins materialKnown for oneAluminium
Power1 differ
Starting voltageKnown for one12 V
Thermal Design Power (TDP)Differs270 W90 W
VoltageKnown for oneDC 12V
Fan voltageKnown for one12 V
Weight & dimensions5 differ
WidthDiffers120 mm90 mm
DepthDiffers118 mm60 mm
HeightDiffers162 mm125 mm
WeightDiffers1.5 kg210 g
Fan dimensions (W x D x H)Differs120 x 120 x 25 mm90 x 90 x 25 mm
Cable lengthKnown for one0.23 m
Package widthKnown for one85 mm
Package depthKnown for one115 mm
Package heightKnown for one145 mm
Package volumeKnown for one1400 cm³
Package weightKnown for one290 g
Technical details1 differ
Compliance certificatesDiffersCE, Federal Communications Commission (FCC), RoHSRoHS, CE
Packaging contentidentical
Thermal pad includedKnown for oneYes
Logistics dataidentical
Master (outer) case widthKnown for one360 mm
Master (outer) case lengthKnown for one595 mm
Master (outer) case heightKnown for one310 mm
Products per master (outer) caseKnown for one60 pc(s)
Other featuresidentical
Built-in displayKnown for oneYes

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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