be quiet!
be quiet Pure Rock 3 PRO LX CPU Cooler
Best air cooler for gamers seeking high-performance cooling and vibrant aesthetics.
Experience impressively high cooling performance with the be quiet! Pure Rock 3 PRO LX CPU Cooler. This cooler features a striking heatsink with a sleek black cover and is powered by two spectacular Light Wings LX 120mm PWM ARGB fans, offering both high performance and stunning visuals. The cooling technology includes a nickel-plated base that ensures heat is distributed evenly across 6 high-performance 6mm heat pipes. It's designed for excellent compatibility with modern CPUs, offering high RAM and VRM cooler clearance thanks to a compact offset design, and it even supports liquid metal thermal grease. Installation is made easy with an intuitive mounting kit, and it features an offset mounting design for better performance on the latest AMD Ryzen CPUs. This cooler comes with a 3-year manufacturer’s warranty.
$46.99
Owner Satisfaction
4.7
/ 5
Category Rank
152
/ 3598
#152 in Computer System Cooling Parts
Price vs Category Average
-69%
Below average
Thermal Design Power (TDP)
250
/ W
Who it's for
- Silent PC enthusiasts prioritizing a whisper-quiet workspace
- Power users running high-performance processors under heavy loads
- System builders aiming for a sleek, professional aesthetic
Who should skip it
- Users planning to install tall, high-profile RGB memory modules
- Beginners intimidated by complex mounting hardware and tight spaces
- Owners of compact small form factor PC cases
Performance breakdown
Thermal Dissipation
Handles 250W TDP with ease for demanding modern processor workloads.
Component Clearance
Offset design ensures zero interference with tall RAM or VRM heatsinks.
Acoustic Profile
Maintains quiet operation even under heavy thermal load conditions.
Installation Ease
Intuitive mounting system makes setup straightforward for builders of all levels.
Aesthetic Integration
Sleek black finish and ARGB fans offer a premium, cohesive look.
AMD Optimization
Offset mounting specifically improves heat transfer for latest Ryzen processors.
Key Specs
Thermal Design Power (TDP)
250 W
Fan Speed (max)
2000 RPM
Noise Level (max)
34.8 dB(A)
Maximum Airflow
61.8 cfm
Heat Pipes
6 (6mm diameter)
Base Material
Copper / Nickel plated
Overall Dimensions (L x W x H)
139 x 124 x 155 mm
Warranty Period
3 year(s)
Features
- Impressively high cooling capacity for modern CPUs
- Two Light Wings LX 120mm PWM ARGB fans
- 6 black high-performance 6mm heat pipes
- High RAM and VRM cooler compatibility
- Intuitive and easy installation mounting kit
- Offset mounting for latest AMD Ryzen CPUs
- Supports liquid metal thermal grease
- Elegant all-black design aesthetic
What customers say
Customers overwhelmingly praise the be quiet! Pure Rock 3 PRO LX for its exceptional acoustic performance and robust build quality. The cooler operates near silently, even under moderate load, making it ideal for quiet computing environments. Reviewers consistently note the solid construction and premium feel of the assembly. It manages thermal demands effectively for modern mid to high range processors, often surpassing expectations for a single tower cooler. Installation is generally straightforward. While it cannot match the peak performance of larger liquid coolers on heavily overclocked CPUs, the consensus is that this unit offers outstanding value. It delivers premium quiet cooling, highly recommending it for mainstream builders prioritizing low noise.
Know before you buy
Yes, the cooler is designed with a compact offset structure specifically to provide high clearance for RAM modules and VRM heatsinks, ensuring compatibility with most modern builds.
Absolutely. It features an offset mounting design optimized for the latest AMD Ryzen CPUs to ensure efficient heat transfer and peak performance.
Yes, the nickel-plated copper base is fully compatible with liquid metal thermal grease, allowing you to maximize thermal conductivity if you choose to use it.
At its maximum fan speed of 2000 RPM, the cooler produces a noise level of 34.8 dB(A), which is relatively quiet for a high-performance air cooler.
The Pure Rock 3 PRO LX is rated for a Thermal Design Power (TDP) of 250W, making it capable of handling the heat output of most modern high-performance CPUs.
No, the cooler comes with an intuitive mounting kit designed for straightforward installation, making it accessible even if you are not an experienced system builder.
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$47