be quiet! BK021 Dark Rock 4 Processor Cooler BK021

Dark Rock is the high-end series of the be quiet! range of CPU coolers. It comprises double-tower, single-tower and top-flow cooler designs. They all offer incredible performance-to-noise ratios and the highest reliability available with absolutely no compromise in silence and performance. Dark Rock coolers are virtually inaudible and place the famous be quiet! SilentWings� technology at the heart of your PC. They are excellent for overclocked systems and demanding multi-graphics platforms.

No Compromise Silence and Performance

Dark Rock 4 offers an extreme cooling performance and virtually inaudible operation. Perfect for overclocked systems and demanding workstations.

- Silent Wings 135mm PWM fan features an advanced fluid-dynamic bearing and a smooth 6-pole motor
- Optimal balance of cooling and quietness with only 21.4dB(A) at maximum fan speed
- Six high-performance copper heat pipes that provide maximal heat conductance
- Wave-contoured cooling fins for increased air circulation
- Special black coating with ceramic particles enables perfect heat transfer
- Supports an additional 120mm fan; clips are included in scope of delivery
- Easily installable black installation kit can be mounted from above
- Elegant, brushed aluminum top cover with diamond cut finish
- 3-year manufacturer�s warranty
- Product conception, design and quality control in Germany

Design



Fan connector



4-pin


Fins material



Aluminium


Material



Copper


Number of fans



1 fan(s)


Number of fins



51


Number of heat pipes



6


Product colour



Black


RoHS compliance



Yes


Logistics data



Harmonized System (HS) code



84733080


Other features



Additional fan supported



Yes


Harmonized System (HS) code



84733080


Package dimensions



Depth (package,cm)



21.4 cm


Gross Weight (Package, kg)



1.475 kg


Height (package,cm)



15 cm


Width (package,cm)



20.5 cm


Packaging content



Screws included



Yes


Performance



Bearing type



Fluid Dynamic Bearing (FDB)


Fan diameter



13.5 cm


Noise level (high speed)



21.4 dB


Noise level (low speed)



10.5 dB


Pulse-width modulation (PWM) support



Yes


Rotational speed (max)



1400 RPM


Suitable for



Processor


Suitable location



Processor


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


Type



Cooler


Power



Power supply



1.32 Watt


Rated current



0.11 A


Rated voltage



12 V


Thermal Design Power (TDP)



200 Watt


Product dimensions



Net Weight (Product, kg)



0.92 kg


Product Depth



14 cm


Product Height



21 cm


Product Width



20.5 cm


Technical details



Sustainability certificates



RoHS


Vendor information



Brand Name


be quiet!


Weight & dimensions



Cable length



0.22 m


Fan dimensions (W x D x H)



135 x 135 x 22 mm


Heat pipes diameter



6 mm