Catalog   /   Computing   /   Components   /   Computer Cooling   /   be quiet!

be quiet! Pure Rock Pro 3 LX (BK043)

Photos - Computer Cooling be quiet! Pure Rock Pro 3 LX
Photos 6
be quiet! Pure Rock Pro 3 LX
Main specs
Featuresfor CPU
Product typeair cooler
Air flow directionsideways (dispersion)
Double-tower
Max. TDP250 W
Fan
Number of fans2
Fan size120 mm / Light Wings LX 120mm PWM /
BearingRifle Bearing
Max. RPM2000 rpm
Speed controllerauto (PWM)
Max. air flow61.8 CFM
Static pressure2.51 mm H2O
MTBF60 K hours
replaceable
Min noise level14 dB
Noise level35 dB
Power source4-pin
Radiator
Heat pipes6
Heatpipe contactindirect
Heatsink materialaluminium / copper
Plate materialnickel-plated copper
SocketAMD AM4
AMD AM5
Intel 1150
Intel 1155/1156
Intel 1151 / 1151 v2
Intel 1200
Intel 1700 / 1851
General
Lighting
Lighting colourARGB
Lighting syncmulti compatibility
LED power supply3-pin (5V)
Mount typebilateral (backplate)
Manufacturer's warranty3 years
Dimensions139x124x155 mm
Height155 mm
Weight1080 g
Official Websitebequiet.com
Added to E-CatalogFebruary 2025
P/N
BK043

A high-performance tower-type air processor cooler with a traditional U-shaped arrangement of six heat pipes, a nickel-plated copper base, a large dual-section aluminum heatsink, and two upgraded 120mm Light Wings LX 120mm PWM fans featuring durable hydrodynamic bearings and programmable dynamic ARGB LED lighting. It boasts a stylish look and impressive heat dissipation capability (up to 250W at high fan speeds), a substantial weight of 1080g, and significant dimensions.

When choosing the be quiet! Pure Rock Pro 3 LX air processor cooler, it is important to consider the width of the case, the distance from the CPU socket to the memory connectors, and the height of the memory module heat spreaders. The dual-section aluminum heatsink consists of thin aluminum plates with an impressive total area and a matte black finish. This processor cooler is fully compatible with motherboard models featuring Intel LGA1851/1700/1200/115X and AMD AM5/AM4 processor sockets. Thanks to its impressive heat dissipation power, this model is suitable for cooling any Intel or AMD consumer processors, including top-tier and overclocked CPUs. The claimed operating life of up to 60000 hours and the excellent acoustic properties of the device deserve high praise.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog be quiet! 2026 - new arrivals, bestsellers, and the most relevant models be quiet!.

Buy be quiet! Pure Rock Pro 3 LX

All prices 13 →
When you make a purchase through links on our site, we may receive a affiliate commission.

be quiet! Pure Rock Pro 3 LX Dual Tower 4-pin PWM RGB CPU Air Cooler BK043

EXCELLENT COOLING CAPACITY Double-Tower, double power Pure Rock Pro 3 LX features six high-performance copper heat pipe... mores with nickel-plated base. As a result, this high-end cooler always keeps your CPU at peak performance, even in overclocked systems and demanding workstations. The performance is further increased by funnel-shaped air outlets on the Light Wings LX 120mm PWM fans, which increases airflow over the fins. In addition, the fan blades are optimized for maximum airflow, making this fan the ideal match for Pure Rock 3 LX. IMPRESSIVE LIGHTING Lots of illumination possibilities 16 LEDs are located inside the hub of the impeller of the Light Wings LX 120mm PWM fans and shine outwards onto the frosted fan blades. This creates an unmistakable look and enables you to express your creativity. MULTIPLATFORM High compatibility Despite being a double-tower air cooler, Pure Rock Pro 3 LX compact offset design increase RAM and VRM cooler compatibility significantly. The height of the front fan can be adjusted, if needed. SUPER EASY INSTALLATION No tutorial needed Installation is easier than ever with the Pure Rock Pro 3 LX. Its mounting kit is self-explanatory and easy to use, making attaching the cooler a breeze. Users of an AM5 CPU by AMD can benefit from an offset mounting to centre the base plate above the hot spots of their CPU. DESIGN UPGRADE Makes your system look sharp Powerful. Strong. Unshakable. The Pure Rock Pro 3 LX makes a statement not only in performance, but also in design. We made sure the cooler leaves a lasting impression in your PC. Despite its striking appearance with ARGB lighting, its lines are discreet, perfectly combining power and elegance.
Box.co.uk
Delivery: to United Kingdom
Report
£45.98

be quiet! Pure Rock Pro 3 LX CPU Cooler BK043

EXCELLENT COOLING CAPACITY Double-Tower, double power Pure Rock Pro 3 LX features six high-performance copper heat pipes wi... moreth nickel-plated base. As a result, this high-end cooler always keeps your CPU at peak performance, even in overclocked systems and demanding workstations. The performance is further increased by funnel-shaped air outlets on the Light Wings LX 120mm PWM fans, which increases airflow over the fins. In addition, the fan blades are optimized for maximum airflow, making this fan the ideal match for Pure Rock 3 LX. IMPRESSIVE LIGHTING Lots of illumination possibilities 16 LEDs are located inside the hub of the impeller of the Light Wings LX 120mm PWM fans and shine outwards onto the frosted fan blades. This creates an unmistakable look and enables you to express your creativity. MULTIPLATFORM High compatibility Despite being a double-tower air cooler, Pure Rock Pro 3 LX’ compact offset design increase RAM and VRM cooler compatibility significantly. The height of the front fan can be adjusted, if needed. SUPER EASY INSTALLATION No tutorial needed Installation is easier than ever with the Pure Rock Pro 3 LX. Its mounting kit is self-explanatory and easy to use, making attaching the cooler a breeze. Users of an AM5 CPU by AMD can benefit from an offset mounting to centre the base plate above the hot spots of their CPU. DESIGN UPGRADE Makes your system look sharp Powerful. Strong. Unshakable. The Pure Rock Pro 3 LX makes a statement not only in performance, but also in design. We made sure the cooler leaves a lasting impression in your PC. Despite its striking appearance with ARGB lighting, its lines are discreet, perfectly combining power and elegance.
CCLonline.com
Delivery: to United Kingdom
Report
£45.99

Be Quiet BK043

Impressively performant and compact.Boost your system with the impressively high cooling performance of Pure Rock Pro 3 LX an... mored spectacularly illuminated Light Wings LX fans.Underneath its striking heatsink with a black cover for a sleek, premium look lies a powerhouse of cooling technology.Thanks to a nickel-plated base, the heat is distributed evenly among all 6 heat pipes, and Pure Rock Pro 3 LX is compatible with liquid metal thermal grease.be quiet! Pure Rock Pro 3 LX Black.Type:Air cooler, Fan diameter:12 cm, Rotational speed (max):2000 RPM, Airflow:105.1 m³/h, Maximum air pressure:2.51 mmH2O, Bearing type:Rifle bearing.Width:124 mm, Depth:139 mm, Height:155 mm.Product colour:Black.Impressively high cooling capacity for modern CPUs.2 Light Wings LX 120mm PWM ARGB fans for equally high performance and stunning visuals.6 black high-performance 6mm heat pipes with nickel-plated base.Achieves only 34.8dB(A) at maximum fan speed.High RAM and VRM cooler compatibility thanks to a compact offset design.Installation is a breeze with intuitive mounting kit.Offset mounting for better performance on latest AMD Ryzen CPUs.Compatible with liquid metal thermal grease.Elegant looks in an all-black design.
Tradeinn.com
Delivery: in United Kingdom
Report
£46.99

be quiet! BK043 Pure Rock Pro 3 LX Intel/AMD Black Dual Tower Performa

Scan.co.uk
Delivery: to United Kingdom
Report
£46.99

be quiet! be quiet Pure Rock 3 PRO LX CPU Cooler - 120mm BK043

Impressively performant and compact Boost your system with the impressively high cooling performance of Pure Rock Pro 3 LX an... mored spectacularly illuminated Light Wings LX fans. Underneath its striking heatsink with a black cover for a sleek, premium look lies a powerhouse of cooling technology. Thanks to a nickel-plated base, the heat is distributed evenly among all 6 heat pipes, and Pure Rock Pro 3 LX is compatible with liquid metal thermal grease. - Impressively high cooling capacity for modern CPUs - 2 Light Wings LX 120mm PWM ARGB fans for equally high performance and stunning visuals - 6 black high-performance 6mm heat pipes with nickel-plated base - Achieves only 34.8dB(A) at maximum fan speed - High RAM and VRM cooler compatibility thanks to a compact offset design - Installation is a breeze with intuitive mounting kit - Offset mounting for better performance on latest AMD Ryzen CPUs - Compatible with liquid metal thermal grease - Elegant looks in an all-black design - 3-year manufacturer’s warranty Specification: - Model: Pure Rock Pro 3 LX - TDP (W): 250 - Color option: Black - Overall dimensions without mounting material (L x W x H), (mm): 139 x 124 x 155 - Total weight (kg): 1.08 - Socket compatibility Intel: 1851 / 1700 / 1200 / 1150 / 1151 / 1155 - Socket compatibility AMD: AM5 / AM4 - Overall noise level (dB(A)) @ 50/75/100% (rpm): 14.0 / 26.5 / 34.8 - Number of fans: 2 - Warranty (Years): 3 - Dimensions (L x W x H), (mm): 114 x 124 x 155 - Fin material: Aluminum - Surface treatment: Electrophoresis - Base material: copper / nickel plated - CPU contact surface: CNC machined - Heatpipe number / Diameter (mm): 6 / 6 - Fan model: Light Wings LX 120mm PWM - Fan dimensions (mm): 120 - Speed @ 100% PWM (rpm): 2000 - Airflow at 100% PWM / 12V (cfm / m3/h): 61.8 / 105.1 - Air pressure at 100% PWM / 12V (mm H2O): 2.51 - Bearing technology: Rifle - Motor technology: 4-pole fan motor - Rated voltage (V): 12 - Input current (A): 0.10 - Safety current (A): 0.45 - Input power (W): 5.4 - Connector: 4-pin PWM - Lighting connector: Yes - Cable length (mm): 120 - Lifespan (h / 25°C): 60,000 - Y-Cable: Yes
Overclockers.co.uk
Delivery: to United Kingdom
Report
£46.99
8 more offer(s)