be quiet! PURE ROCK 3 LX BK040 CPU Air Cooler | 190W TDP | 1 ร 120mm PWM | 4 Heat Pipes | ARGB | Intel LGA1851/1700 | AMD AM5/AM4
be quiet! PURE ROCK 3 LX BK040 CPU Air Cooler | 190W TDP | 1 ร 120mm PWM | 4 Heat Pipes | ARGB | Intel LGA1851/1700 | AMD AM5/AM4
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- Trusted Since 2014 ยท 15 Lakh+ Orders
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โ๏ธ 190W Manufacturer-Rated Cooling
PURE ROCK 3 LX uses a single-tower heat sink and 4 high-performance heat pipes to move heat away from your processor. Cooling results depend on CPU power settings, mounting and case airflow.
๐ฌ๏ธ Dedicated Light Wings LX 120mm PWM Cooling
1 included PWM fan provides automatic speed control, with 1 ร 120mm cooling hardware for airflow through the fins.
๐ Noise-Conscious Operation
The published overall noise level at maximum fan speed is 31.2 dB(A). PWM control lets your motherboard adjust fan speed to cooling demand.
๐ง Practical Installation and Clearance
A compact layout helps accommodate RAM and VRM heatsinks. The preinstalled mounting bridge simplifies installation.
โจ Illuminated Design
The Light Wings LX ARGB fan adds colourful lighting to the all-black heat sink.
๐ฅ๏ธ Modern Intel and AMD Support
Compatible with Intel LGA1851, LGA1700, LGA1200, LGA1150, LGA1151 and LGA1155, plus AMD AM5 and AM4. Check case cooler-height clearance and motherboard layout before purchase.
Short Description
The be quiet! PURE ROCK 3 LX (BK040) is a black single-tower CPU air cooler with 4 heat pipes, 1 ร 120mm Light Wings LX 120mm PWM cooling and a manufacturer-rated 190W cooling capacity. Built for a performance-focused desktop, it supports current AMD AM5/AM4 and Intel LGA1851/LGA1700 platforms alongside the listed legacy sockets.
Specifications
Check CPU socket, case clearance and memory clearance before installation. Motherboard, memory and other components shown in installed-system pictures are for illustration and are not included.
| Specification | Details |
|---|---|
| Brand | be quiet! |
| Model | PURE ROCK 3 LX |
| SKU / Article Number | BK040 |
| EAN | 4260052192498 |
| Cooling Type | Single-tower CPU air cooler |
| Colour | Black |
| Manufacturer-Rated Cooling Capacity | 190W TDP |
| Heat Pipes | 4 ร 6mm |
| Fans Included | 1 ร 120mm |
| Fan Model | Light Wings LX 120mm PWM |
| Maximum Fan Speed | 2000 RPM |
| Fan Connector | 4-pin PWM |
| Lighting | ARGB fan |
| Overall Noise at Maximum Speed | 31.2 dB(A) |
| Dimensions (L ร W ร H) | 71 ร 124 ร 154 mm, excluding mounting material |
| Total Weight | 0.57 kg |
| Intel Socket Compatibility | LGA1851 / LGA1700 / LGA1200 / LGA1150 / LGA1151 / LGA1155 |
| AMD Socket Compatibility | AM5 / AM4 |
| CPU Contact Surface / Base | Heat pipe direct touch (HDT) |
| Manufacturer Warranty | 3 years |