Be Quiet Pure Rock 3 LX BK040 Black CPU Air Cooler 120mm 190W TDP
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Tower CPU air cooler with 120mm Light Wings LX PWM ARGB fan (2000 RPM), 190W TDP, 4x6mm heatpipes. Compatible with AM4/AM5, LGA1200/1700/1851. Max noise 31.2dB, compact black design.[185 chars]
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The be quiet! Pure Rock 3 LX (BK040) is a compact tower air cooler delivering high performance for modern CPUs up to 190W TDP. Featuring a premium Light Wings LX 120mm PWM ARGB fan with funnel-shaped intake for superior airflow (105.1 m³/h) and pressure (2.51 mmH2O), it ensures efficient cooling while maintaining whisper-quiet operation up to 31.2 dB(A). The all-black design with 4x 6mm nickel-plated copper heatpipes and aluminum fins provides elegant aesthetics and excellent RAM/VRM compatibility.
Installation is straightforward with a preinstalled mounting bridge, supporting Intel LGA115x/1200/1700/1851 and AMD AM4/AM5 sockets. The rifle bearing fan offers 60,000 hours MTTF, and ARGB lighting adds stunning visuals controllable via motherboard. Ideal for budget builds seeking silence and performance without compromising space.
- Key Benefits: Very high cooling for i9/Ryzen 9, only 31.2dB max noise, easy install, 3-year warranty
- Compatibility: High RAM clearance, compact 154mm height
- Visuals: ARGB fan with multi-color illumination
| Suitable location | Processor |
| Type | Air cooler |
| Fan diameter | 12 cm |
| Supported processor sockets | Intel LGA1150. LGA1151. LGA1155. LGA1200. LGA1700. LGA1851. AMD AM4. 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 |
| Bearing type | Rifle bearing |
| Product colour | Black |
| Base plate material | Copper |
| Number of fans | 1 fan(s) |
| Fins material | Aluminium |
| Number of heat pipes | 4 |
| Heat pipes diameter | 6 mm |
| Illumination colour | ARGB Multi |
| Fan connector | 4-pin PWM |
| Thermal Design Power (TDP) | 190 W |
| Fan power consumption | 3.6 W |
| Width | 124 mm |
| Depth | 71 mm |
| Height | 154 mm |
| Weight | 570 g |
| Fan dimensions (W x D x H) | 120 x 120 x 25 mm |
| Fan's mean time to failure (MTTF) | 60000 h |
| Warranty period | 3 year(s) |
| Package width | 163 mm |
| Package depth | 133 mm |
| Package height | 210 mm |
| Package weight | 900 g |
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