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be quiet! Pure Rock Pro 3 LX CPU Air Cooler | 6 High Performance 6mm Heat Pipes with HDT Technology | 120mm Quiet ARGB PWM Fan | AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200 | Black | BK043
be quiet!

be quiet! Pure Rock Pro 3 LX CPU Air Cooler | 6 High Performance 6mm Heat Pipes with HDT Technology | 120mm Quiet ARGB PWM Fan | AMD:AM4 AM5/Intel LGA 1700/1150/1151/1200 | Black | BK043

4.6(4.1K+ reviews, all variants)
budget$0-$49
#9 in Computer CPU Cooling Fans
wattage
250 watts
fan size
6mm
material
Aluminum
connector
4-Pin
compatible
Desktop
cooling method
Air

Want the best price and purchase timing?

Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This be quiet! Pure Rock Pro 3 LX is a 250-watt TDP air cooler with 6 copper heat pipes and dual 120mm ARGB fans, designed for high-performance CPUs and easy installation.

Strong Fit

This cooler is a strong fit for users with high-performance CPUs that generate up to 250 watts of heat, especially those who appreciate ARGB aesthetics and simplified installation. Its dual 120mm fans and 6 heat pipes are designed for demanding thermal loads.

If you need even higher cooling capacity or a smaller footprint, look for 360mm or 420mm AIO liquid coolers, or single-tower air coolers if space is extremely limited.

Regret Score™

Very Low Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

16/100
vs. 1,285 Power & Cooling we've analyzedSafer than 88%
Hidden Defects
7/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
5/20

Amazon rating vs actual quality

Fit Risk
4/20

Chance this product isn't for you

BuyChoice Score
3.9

Pros

  • Handles CPUs up to 250 watts TDP, suitable for demanding workstations and overclocked systems.
  • Features 6 high-performance 6mm copper heat pipes with a nickel-plated base for efficient heat transfer.
  • Includes two 120mm Light Wings LX PWM fans with 16 ARGB LEDs for customizable lighting and optimized airflow.
  • Compact offset design increases RAM and VRM cooler compatibility, with an adjustable front fan height.
  • Mounting kit is self-explanatory and supports AM5 offset mounting for better CPU hotspot cooling.

Cons

  • Maximum noise level of 34.8dB(A) at full fan speed, which might be noticeable under heavy load.
  • Relies on aluminum fins, which is standard for air coolers but not as premium as some all-copper designs.
  • The 4-pin connector is standard PWM, but some users might prefer more advanced fan control options.

Dimension Scores

Efficiency & Output8/10

The 250-watt TDP rating and 6 copper heat pipes indicate high cooling capacity for demanding CPUs.

Noise Level6/10

A maximum noise level of 34.8dB(A) is acceptable for a high-performance cooler, but not exceptionally quiet under full load.

Build Quality7/10

Features 6 high-performance copper heat pipes with a nickel-plated base and optimized fan blades, suggesting a robust construction.

Cable Management6/10

Includes dual PWM ARGB fans, which means multiple cables to manage, but the self-explanatory mounting kit might simplify the process.

Best For

  • Gaming PCs with high-end Intel or AMD CPUs requiring significant cooling capacity.
  • Workstations running CPU-intensive applications like video editing or 3D rendering.
  • PC builds where ARGB lighting is desired for aesthetic customization.
  • Users seeking a high-TDP air cooler with a straightforward installation process.

Not Recommended For

  • Compact ITX builds where a double-tower cooler might not fit due to size constraints.
  • Users prioritizing absolute silence over maximum cooling performance under extreme loads.
  • Budget-conscious builders who don't need 250W TDP cooling or ARGB features.

Watch Out For

  • No real user feedback is available yet due to the product's future release date (February 12, 2025), so actual performance and noise under load are unverified by consumers.
  • The 34.8dB(A) maximum noise level, while not extreme, could be a concern for users expecting near-silent operation at all times.
  • While the compact offset design improves compatibility, specific RAM or VRM cooler dimensions might still interfere, requiring careful measurement before purchase.

Full Specifications

ASINB0DWZBNGQW
Brandbe quiet!
Voltage12 Volts
Wattage250 watts
MaterialAluminum
Item Weight3 pounds
Noise Level34.8 Decibels
Manufacturerbe quiet!
Cooling MethodAir
Number of Items1
Item model numberBK043
Compatible DevicesDesktop
Product Dimensions5.47"L x 4.88"W x 6.1"H
Power Connector Type4-Pin
Maximum Rotational Speed2000 RPM
Global Trade Identification Number04260052192528

What Buyers Say

Since this product is set to be released in February 2025, there's no actual user feedback available yet. All information is based on manufacturer specifications and pre-release promotional content. The cooler is positioned as a high-performance air solution with ARGB lighting and an emphasis on compatibility and ease of installation.

“Man, this thing looks like it'll keep my 14900K frosty, and those ARGB fans are gonna make my build pop, but I'm just hoping it's not a jet engine when I'm gaming hard.”

Common Praise

  • The 250-watt TDP rating suggests it will handle high-end CPUs without throttling.
  • The inclusion of two 120mm ARGB fans provides customizable lighting and strong airflow.
  • The compact offset design is expected to prevent interference with RAM and VRM coolers.
  • The mounting kit is described as self-explanatory, making installation straightforward.

Common Complaints

  • No actual user complaints exist yet due to the product's future release date.
  • The 34.8dB(A) maximum noise level might be a point of contention for users prioritizing absolute silence.
  • The physical size of a double-tower air cooler could be a challenge in smaller PC cases.

Ownership Tips

  • No real ownership notes are available yet, as the product has not been released.
  • Potential for ARGB software compatibility issues with various motherboards, a common concern with new lighting ecosystems.
  • The actual clearance for RAM modules might be tighter than expected, despite the offset design, depending on specific RAM heat spreader height.
  • Dust accumulation on the fins and fans will likely require regular cleaning to maintain optimal performance.

Frequently Asked Questions

What CPU sockets is this cooler compatible with?

It's compatible with AMD AM4 and AM5 sockets, and Intel LGA 1700, 1150, 1151, and 1200 sockets, including the upcoming Intel 1851 socket.

Does this cooler come with thermal paste?

The product specifications do not explicitly state inclusion of thermal paste, but it is compatible with liquid metal thermal grease.

Can the ARGB lighting be controlled?

Yes, the 16 ARGB LEDs in the Light Wings LX 120mm PWM fans are designed for customizable lighting, typically controlled via motherboard software.

How many fans are included with the cooler?

The Pure Rock Pro 3 LX includes two 120mm Light Wings LX PWM fans.

Is this cooler suitable for overclocking?

Yes, with a 250-watt TDP rating and 6 high-performance heat pipes, it's designed to keep your CPU at peak performance even in overclocked systems.

Buying Guide

When you're looking at CPU coolers, you need to think about how much heat your processor puts out, measured in TDP (Thermal Design Power). A higher TDP rating on the cooler means it can handle hotter CPUs. Also, consider the physical size to make sure it fits in your PC case and doesn't block your RAM or graphics card. Noise levels are also key if you want a quiet system.

wattage (TDP)

This number, like the 250 watts here, tells you the maximum heat your CPU cooler can dissipate. If your CPU's TDP is higher than the cooler's rating, your processor will get too hot and slow down, or even damage itself.

heat pipes

These copper tubes, like the 6 in this cooler, transfer heat away from your CPU's base to the cooler's fins. More heat pipes, especially thicker ones, generally mean better heat transfer and more effective cooling.

fan size

Larger fans, like the 120mm ones here, can move more air at lower RPMs, which usually means better cooling and less noise compared to smaller, faster-spinning fans.

Alternatives

If this cooler doesn't fit your needs, look for models with a lower TDP rating if your CPU isn't as powerful, or consider liquid coolers for even higher thermal loads or compact builds.

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