Product comparison · 2 computer cooling systems

be quiet! Pure Rock vs Lenovo 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel

7specifications compared
5differ
2identical
31known for one product only

Key differences

Product colour
- Pure Rock:Black, Copper, Silver
- 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel:Black, Stainless steel
Width
- Pure Rock:121 mm
- 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel:89 mm
Depth
- Pure Rock:87.5 mm
- 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel:107 mm
Height
- Pure Rock:155 mm
- 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel:85 mm
Weight
- Pure Rock:660 g
- 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel:510 g

Side by side

Differences highlightedShow differences only

Comparison of Pure Rock, 4XG0G75840
38 specifications	A be quiet! Pure Rock View product	B Lenovo 4XG0G75840 computer cooling system Processor Cooler Black, Stainless steel Model 4XG0G75840 View product
Performanceidentical
Fan diameterKnown for one	12 cm	Unknown — not stated by the source
Supported processor socketsKnown for one	LGA 1150 (Socket H3), LGA 1155 (Socket H2), LGA 1156 (Socket H), LGA 1366 (Socket B), LGA 775 (Socket T), Socket AM2+, Socket AM3+, Socket AM4, Socket FM1, Socket FM2+	Unknown — not stated by the source
Rotational speed (min)Known for one	600 RPM	Unknown — not stated by the source
Rotational speed (max)Known for one	1400 RPM	Unknown — not stated by the source
Noise level (low speed)Known for one	19.1 dB	Unknown — not stated by the source
Noise level (high speed)Known for one	26.8 dB	Unknown — not stated by the source
Maximum airflowKnown for one	51.4 cfm	Unknown — not stated by the source
AirflowKnown for one	87 m³/h	Unknown — not stated by the source
Maximum air pressureKnown for one	1.25 mmH2O	Unknown — not stated by the source
Pulse-width modulation (PWM) supportKnown for one	Yes	Unknown — not stated by the source
Bearing typeKnown for one	Sleeve bearing	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	80000 h	Unknown — not stated by the source
Compatible processor seriesKnown for one	Unknown — not stated by the source	Intel® Xeon®
Operating temperature (T-T)Known for one	Unknown — not stated by the source	-10 - 70 °C
Design1 differ
Product colourDiffers	Black, Copper, Silver	Black, Stainless steel
MaterialKnown for one	Aluminium, Copper	Unknown — not stated by the source
Number of fansKnown for one	1 fan(s)	Unknown — not stated by the source
Number of fan bladesKnown for one	9	Unknown — not stated by the source
Number of finsKnown for one	48	Unknown — not stated by the source
Fins materialKnown for one	Aluminium	Unknown — not stated by the source
Number of heat pipesKnown for one	4	Unknown — not stated by the source
Fan connectorKnown for one	4-pin	Unknown — not stated by the source
Poweridentical
Power supplyKnown for one	1.44 W	Unknown — not stated by the source
VoltageKnown for one	12 V	Unknown — not stated by the source
Rated currentKnown for one	0.08 A	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	150 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	121 mm	89 mm
DepthDiffers	87.5 mm	107 mm
HeightDiffers	155 mm	85 mm
WeightDiffers	660 g	510 g
Fan dimensions (W x D x H)Known for one	120 x 120 x 25 mm	Unknown — not stated by the source
Heat pipes diameterKnown for one	6 mm	Unknown — not stated by the source
Cable lengthKnown for one	0.22 m	Unknown — not stated by the source
Packaging contentidentical
Screws includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Heatsink dimensions (W x D x H)Known for one	121 x 62.5 x 155 mm	Unknown — not stated by the source
Storage temperature (T-T)Known for one	Unknown — not stated by the source	5 - 90 °C

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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