be quiet! Pure Rock 3 LX (BK040)

Name: be quiet! Pure Rock 3 LX BK040
Brand: be quiet!

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be quiet! Pure Rock 3 LX

Pure Backplate heat pipes backlight

Main specs
Features	for CPU
Product type	air cooler
Air flow direction	sideways (dispersion)
Max. TDP	190 W


Fan
Number of fans	1
Fan size	120 mm / Light Wings LX 120mm PWM /
Fan thickness	25 mm
Bearing	Rifle Bearing
Max. RPM	2000 rpm
Speed controller	auto (PWM)
Max. air flow	61.8 CFM
Static pressure	2.51 mm H2O
MTBF	60 K hours
replaceable
Min noise level	12 dB
Noise level	31 dB
Power source	4-pin


Radiator
Heat pipes	4
Heatpipe contact	straight
Heatsink material	aluminium / copper
Plate material	aluminum
Socket	AMD AM4 AMD AM5 Intel 1150 Intel 1155/1156 Intel 1151 / 1151 v2 Intel 1200 Intel 1700 / 1851

General
Lighting
Lighting colour	ARGB
Lighting sync	multi compatibility
LED power supply	3-pin (5V)
Mount type	bilateral (backplate)
Manufacturer's warranty	3 years
Dimensions	124x71x154 mm
Height	154 mm
Weight	570 g
Official Website	bequiet.com
Added to E-Catalog	February 2025
P/N	BK040

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.
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	be quiet! be quiet Pure Rock 3 LX CPU Cooler - 120mm BK040 Compact Performance for everyone Pure Rock 3 LX rocks your system with very high performance in a compact design and a specta... morecular, optimized Light Wings LX 120mm PWM fan. This air cooler proves impressively that size does not always matter: despite its compact footprint, Pure Rock 3 LX serves you as a cooling powerhouse. And with its preinstalled mounting, installation is done in the blink of an eye. - Very high cooling capacity for modern CPUs - Light Wings LX 120mm PWM ARGB fan with funnel shaped air outlet for equally high performance and stunning visuals - 4 black high-performance 6mm heat pipes with HDT technology - Achieves only 31.2dB(A) at maximum fan speed - High RAM and VRM cooler compatibility thanks to a compact design - Preinstalled cooler mounting bridge for a fast and easy installation - Offset mounting for better performance on latest AMD Ryzen CPUs - Elegant looks in an all-black design - 3-year manufacturer’s warranty - Product conception, design and quality control in Germany Specification: - Model: Pure Rock 3 LX - TDP (W): 190 - Color option: Black - Overall dimensions without mounting material (L x W x H), (mm): 71 x 124 x 154 - Total weight (kg): 0.57 - Socket compatibility Intel: 1851 / 1700 / 1200 / 1150 / 1151 / 1155 - Socket compatibility AMD: AM5 / AM4 - Overall noise level (dB(A)) @ 50/75/100% (rpm): 12.4 / 24.4 / 31.2 - Number of fans: 1 - Warranty (Years): 3 - Dimensions (L x W x H), (mm): 46 x 124 x 154 - Fin material: Aluminum - Surface treatment: Electrophoresis - Base material: Aluminum / Copper - CPU contact surface: Heat pipe direct touch - Heatpipe number / Diameter (mm): 4 / 6 - Fan model: Light Wings LX 120mm PWM - Fan dimensions (mm): 120 x 25 x 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): 0.15 - Safety current (A): 0.30 - Input power (W): 5.4 - Connector: 4-pin PWM - Lighting connector: Yes - Cable length (mm): 120 - Lifespan (h / 25°C): 60,000 Overclockers.co.uk Delivery: to United Kingdom Report	£25.99 Buy in shop

	be quiet! BK040 (2025) Pure Rock 3 LX Intel/AMD Black Single Tower Per Scan.co.uk Delivery: to United Kingdom Report	£26.99 Buy in shop

	be quiet! Pure Rock 3 LX Processor Air cooler 12 cm Black 1 pc(s) BK040 Very high cooling capacity for modern CPUs. Light Wings LX 120mm PWM ARGB fan with funnel shaped air outlet for equally high... moreperformance and stunning visuals. 4 black high-performance 6mm heat pipes with HDT technology. Achieves only 31.2dB(A) at maximum fan speed. High RAM and VRM cooler compatibility thanks to a compact design. Preinstalled cooler mounting bridge for a fast and easy installation. Offset mounting for better performance on latest AMD Ryzen CPUs. Elegant looks in an all-black design. Product conception, design and quality control in Germany. Compact Performance for everyone. Pure Rock 3 LX rocks your system with very high performance in a compact design and a spectacular, optimized Light Wings LX 120mm PWM fan. This air cooler proves impressively that size does not always matter: despite its compact footprint, Pure Rock 3 LX serves you as a cooling powerhouse. And with its preinstalled mounting, installation is done in the blink of an eye.. Performance. Suitable location. Processor. Type. Air cooler. Fan diameter. 12 cm. Supported processor sockets. LGA 1851, LGA 1150 (Socket H3), LGA 1151 (Socket H4), LGA 1155 (Socket H2), LGA 1200 (Socket H5), LGA 1700, Socket AM4, Socket AM5. Rotational speed (max). 2000 RPM. Noise level (low speed). 12.4 dB. Noise level (high speed). 31.2 dB. Maximum airflow. 61.8 cfm. Airflow. 105.1 m³/h. Maximum air pressure. 2.51 mmH2O. Pulse-width modulation (PWM) support. Yes. Bearing type. Rifle bearing. Quantity per pack. 1 pc(s). Fan's mean time to failure (MTTF). 60000 h. Design. Product colour. Black. Base plate material. Copper. Number of fans. 1 fan(s). Fins material. Aluminium. Number of heat pipes. 4. Illumination LED. Yes. Illumination colour. Multi. Fan connector. 4-pin. Display type. Not applicable. Power. Fan power consumption. 3.6 W. Thermal Design Power (TDP). 190 W. Fan current. 0.15 A. Fan voltage. 12 V. Weight & dimensions. Width. 124 mm. Radiator width. 12.4 cm. Radiator depth. 4.6 cm. Radiator height. 15.4 cm. Depth. 71 mm. Height. 154 mm. Weight. 570 g. Fan dimensions (W x D x H). 120 x 120 x 25 mm. Fan thickness. 2.5 cm. Heat pipes diameter. 6 mm. Cable length. 0.12 m. Package width. 163 mm. Package depth. 133 mm. Package height. 210 mm. Package weight. 900 g. Technical details. Sustainability certificates. Triman. Warranty period. 3 year(s). Compliance certificates. CE, RoHS, UKCA, UL, WEEE. Packaging content. Mounting kit. Yes. Logistics data. Products per shipping (inner) case. 16 pc(s). Shipping (inner) case width. 34.2 cm. Shipping (inner) case length. 55.2 cm. Shipping (inner) case height. 45 cm. Shipping (inner) case gross weight. 14.8 kg. leaflet. manual pdf. PURE ROCK 3 Backtotheoffice.co.uk Delivery: in United Kingdom Report	£27.99 Buy in shop

	Be Quiet! Pure Rock 3 LX ARGB CPU Air Cooler 12cm (BK040) BK040 The Be Quiet. Pure Rock 3 LX ARGB is a high-performance CPU air cooler that combines a sleek, all-black aesthetic with powerf... moreul cooling efficiency and impressive Addressable RGB (ARGB) lighting, making it ideal for modern gaming and multimedia systems.This cooler offers a very high cooling capacity of 190W TDP, suitable for modern, demanding CPUs. Its cooling efficiency is achieved via four black high-performance 6mm heat pipes utilising HDT (Heat Pipe Direct Touch) technology for optimal heat transfer. The cooler is equipped with a Light Wings LX 120mm PWM ARGB fan, which features 16 LEDs in the impeller hub for stunning visuals and a funnel-shaped air outlet for increased airflow (up to 61.8 CFM).&.nbsp.The compact tower design ensures high compatibility with RAM and VRM coolers, even in PC cases with limited space. Installation is fast and easy thanks to a convenient preinstalled cooler mounting bridge. The cooler supports a wide range of modern sockets, including Intel 1851/1700... RefreshCartridges.co.uk Delivery: in United Kingdom Report	£28.57 Buy in shop

	Be Quiet BK040 The Pure Rock 3 LX is designed for consumer PCs.With 190W TDP, it offers excellent cooling capacity for gaming, multimedia an... mored graphics systems, as well as entry-level or entry-level computers of all types.Performance is further increased with funnel-shaped air vents on the 120mm PWM Light Wings LX fans, which increase airflow over the fins.In addition, the fan blades are optimized for maximum airflow, making this fan the ideal combination for the Pure Rock 3 LX.16 LEDs are located inside the Light Wings LX 120mm PWM fan impeller shaft and shine outward on the frosted fan blades.This creates an unmistakable look and allows you to express your creativity.The Pure Rock 3 LX is equipped with 4 heat pipes of 6 mm in black, which match the color of the sink.Heat pipes are key to the cooler´s great cooling performance as they transport heat to optimal locations in the cooling fins.They do this with minimal bends and a high bend radius, to keep the performance of each heat pipe as well as possible.The Pure Rock 3 LX design significantly increases RAM and VRM support, allowing unlimited memory height.Thanks to its compact construction, the Pure Rock 3 LX is the perfect choice for PC cases with limited space.However, it allows full configuration of RAM banks.Installation is easier than ever with the Pure Rock 3 LX.Thanks to its convenient pre-installed mounting bridge and a firm but gentle attachment method, holding the cooler is a breeze.Users of an AMD AM5 CPU can benefit from an offset mount to center heat pipes over their CPU hot spots.Who says well-designed products should be expensive? The Pure Rock 3 LX features an unmistakable all-black design that makes a statement on your PC:this air cooler is here to stay.Every little detail is carefully arranged, making the Pure Rock 3 LX a designer jewel in its class. Tradeinn.com Delivery: in United Kingdom Report	£30.99 Buy in shop

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