be quiet! · Computer Cooling System

be quiet! Dark Rock 4 price in United Kingdom

MPN BK021EAN 4260052186251

Noise10.5 dB
TypeCooler
Weight920 g
ColourBlack

Lowest price incl. delivery

£74.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 with free delivery
Checked 5 Oct 2026, 18:25 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 5 Oct 2026, 18:25 UTC

Lowest price£74.99at Back to the Office · free shippingGo to Back to the Office

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
1 with free shipping
Checked 5 Oct 2026, 18:25 UTC

Back to the OfficeLowest pricebe quiet! Dark Rock 4 CPU Cooler In stockFree shipping
£74.99incl. free shipping
Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 5 Oct 2026, 18:25 UTC, and can change at any time. Taxes are included only where the store includes them.

Price history in United Kingdom

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Product details

Identification

Brand: be quiet!
Product: Dark Rock 4
Full name: be quiet! Dark Rock 4 CPU Cooler
Manufacturer part number: BK021
EAN / UPC: 4260052186251
Category: Computer Cooling System

37 specifications from the manufacturer's data sheet

Performance

Suitable location	Processor
Type	Cooler
Fan diameter	13.5 cm
Supported processor sockets	LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, LGA 2011 (Socket R), LGA 2011-v3 (Socket R), LGA 2066, Socket AM4, Socket AM5
Rotational speed (max)	1400 RPM
Noise level (low speed)	10.5 dB
Noise level (high speed)	21.4 dB
Pulse-width modulation (PWM) support	Yes
Bearing type	Fluid Dynamic Bearing (FDB)

Design

Product colour	Black
Material	Copper
Number of fans	1 fan(s)
Number of fins	51
Fins material	Aluminium
Number of heat pipes	6
Illumination LED	No
Fan connector	4-pin
Display type	Not applicable

Power

Power supply	1.32 W
Rated voltage	12 V
Rated current	0.11 A
Thermal Design Power (TDP)	200 W

Weight & dimensions

Width	136 mm
Depth	159.4 mm
Height	74.3 mm
Weight	920 g
Fan dimensions (W x D x H)	135 x 135 x 22 mm
Heat pipes diameter	6 mm
Cable length	0.22 m
Package width	205 mm
Package depth	149 mm
Package height	214 mm
Package weight	1.17 kg