be quiet!

Be Quiet! Dark Rock Pro 5 - BK036 - Dual-Fan Black CPU Air Tower Cooler, 270W TDP (Boxed)

SKU 5865 Brand be quiet! EAN13 4260052190746
High-end dual-fan (135/120mm) PWM air CPU cooler with 270W TDP. Ultra-quiet operation (8.9-23.3 dB(A)), 7 copper heat pipes, Fluid Dynamic Bearing fans. Supports Intel LGA1700/1200/115x/1851 & AMD AM5/AM4. Black stealth design.
Cooling (CPU & Case) - Device Type CPU Air Cooler
Cooling (CPU & Case) - Socket Support AMD AM4 AMD AM5 Intel LGA1150 Intel LGA1200 Intel LGA1700 Intel LGA1851
Cooling (CPU & Case) - Fan Size 120 mm 140 mm
Cooling (CPU & Case) - Air Cooler Height Over 175 mm
Cooling (CPU & Case) - Lightning None
Cooling (CPU & Case) - Connector 4-Pin PWM
Cooling (CPU & Case) - Color Black
Cooling (CPU & Case) - Special Features Low Noise

The be quiet! Dark Rock Pro 5 (BK036) is a premium dual-tower air cooler delivering exceptional 270W TDP cooling for high-end CPUs, ideal for overclocked systems and workstations. Featuring two high-quality Silent Wings 4-based fans (135mm front, 120mm rear/middle) with Fluid Dynamic Bearings, it ensures virtually silent operation from 8.9 dB(A) idle to 23.3 dB(A) max.

Equipped with 7 copper heat pipes and an aluminum fin stack with special black ceramic coating for superior heat transfer. Speed Switch allows Quiet Mode (max 1500 RPM) or Performance Mode (max 2000 RPM). Supports latest sockets including Intel LGA1851/1700/1200/115x and AMD AM5/AM4. Sturdy black design with elegant installation via detachable top cover and pre-installed mounting kit. Dimensions: 145 x 136 x 168 mm, weight 1.29 kg.

  • ✅ 270W TDP cooling performance
  • ✅ Ultra-low noise: 8.9–23.3 dB(A)
  • ✅ Dual fans: 135mm + 120mm PWM
  • ✅ 7x 6mm copper heat pipes
  • ✅ Black stealth aesthetic, no RGB
  • ✅ Easy installation, splitter included
Suitable locationProcessor
TypeAir cooler
Fan diameter120/135 mm
Supported processor socketsLGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, LGA 1851, Socket AM4, Socket AM5
Noise level (low speed)8.9 dB
Noise level (high speed)23.3 dB
Fan 2 rotational speed (min)1700 RPM
Fan 2 rotational speed (max)2000 RPM
Fan bearing technologyFluid Dynamic Bearing (FDB)
Quantity per pack1 pc(s)
Fan speed (min)1300 RPM
Fan speed (max)1500 RPM
Fan's mean time to failure (MTTF)300000 h
Product colourBlack
Base plate materialCopper
Number of fans2 fan(s)
Fins materialAluminium
Number of heat pipes7
Fan connector4-pin
Thermal Design Power (TDP)270 W
Fan voltage12 V
Width136 mm
Radiator width13.6 cm
Radiator depth11.9 cm
Radiator height16.8 cm
Depth145 mm
Height168 mm
Weight1.29 kg
Fan dimensions (W x D x H)135 x 135 x 25 mm
Fan thickness2.5 cm
Fan 2 dimensions (W x D x H)120 x 120 x 25 mm
Heat pipes diameter6 mm
Package width180 mm
Package depth202 mm
Package height220 mm
Package weight1.74 kg
Sustainability certificatesTriman, UL ECOLOGO
Compliance certificatesCE, RoHS, cTUVus, UKCA, WEEE
Overall dimensions (L x W x H)145 x 136 x 168 mm
Speed SwitchQuiet Mode (1500 RPM max), Performance Mode (2000 RPM max)