Pure Rock 3 LX - Black - be quiet! - BK040

Name: Pure Rock 3 LX - Black - be quiet! - BK040
Brand: be quiet!
SKU: 4lyd4v36ug
Availability: InStock

The be quiet! Pure Rock 3 LX CPU air cooler combines effective cooling performance with stylish ae...

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Product Information

Full details

The be quiet! Pure Rock 3 LX is an air cooler designed for gamers, content creators, and professionals seeking effective cooling with a stylish aesthetic. Its key benefit is high performance in a compact design, ensuring optimal system temperatures without excessive noise. A potential caveat is that while it offers stylish aesthetics, advanced users might seek more extensive ARGB customization options beyond the single integrated 3-pin ARGB feature. Key features include efficient cooling, silenced operation, PWM support, and a 3-year warranty.

All features

Colour	Black
Model Part Number	BK040
Brand	be quiet!

Extended Product Information

FAQs

What is the TDP (Thermal Design Power) rating of the Pure Rock 3 LX?

The be quiet! Pure Rock 3 LX has a TDP rating of 190W, making it suitable for most mid-to-high range processors.

Does the fan support PWM control?

Yes, the Light Wings LX fan features 4-pin PWM support, allowing for dynamic speed adjustments based on CPU temperature.

How do I control the ARGB lighting?

The ARGB lighting is controlled via a 3-pin connector, typically managed through your motherboard's BIOS or dedicated software provided by the motherboard manufacturer.

What is the warranty period for this cooler?

The be quiet! Pure Rock 3 LX comes with a 3-year warranty.

Can I use this cooler with my AM5 or LGA 1700 motherboard?

Yes, the Pure Rock 3 LX supports both AMD Socket AM5 and Intel LGA 1700 sockets, among others listed in the compatibility section.

What is the noise level of the fan?

The fan operates between 12.4 dB (low speed) and 31.2 dB (high speed), ensuring relatively quiet operation.

What are the dimensions of the cooler?

The cooler has a height of 154 mm, a width of 124 mm, and a depth of 71 mm. The fan dimensions are 120 x 120 x 25 mm.

Troubleshooting

CPU temperature is higher than expected.

Ensure the cooler is properly seated on the CPU with even mounting pressure. Verify that thermal paste was applied correctly. Clean dust from the heatsink and fan. Check that the fan is spinning at an appropriate speed (ensure it's plugged into the CPU_FAN header).

Fan is not spinning.

Check that the 4-pin fan connector is securely plugged into the CPU_FAN header on the motherboard. Ensure there are no obstructions preventing the fan from spinning. If the ARGB cable is connected but the fan isn't spinning, check the fan's power connection separately.

ARGB lighting is not working.

Ensure the 3-pin ARGB connector is properly plugged into a motherboard's ARGB header. Check your motherboard's software or BIOS settings to enable and control the ARGB lighting. If issues persist, try a different ARGB header on the motherboard.

Cooler installation seems unstable.

Double-check that all mounting screws or clips are tightened correctly according to the manual. Ensure the correct standoffs and brackets for your CPU socket are used. Re-seat the cooler if necessary, applying firm, even pressure.

Pros and Cons

Pros

Effective cooling performance for gaming and professional use.
Compact design fits well in various PC cases.
Silent operation, especially at lower speeds.
Integrated ARGB lighting adds aesthetic appeal.
Wide compatibility with modern Intel and AMD platforms.
3-year warranty provides peace of mind.

Cons

ARGB customization might be limited for users wanting extensive lighting setups.
While compact, clearance with tall RAM modules should still be checked.
Maximum TDP of 190W is good but may not be sufficient for the absolute highest-end overclocked CPUs.
The 0.12m cable length might require an extension in larger cases.

Setup, Compatibility & Care

Setup:

Prepare the Motherboard: Ensure the motherboard is removed from the case or has sufficient access to the CPU socket area. If using an existing installation, remove the old CPU cooler.
Install Mounting Hardware: Attach the appropriate standoffs and mounting brackets to the motherboard for your specific CPU socket type (Intel or AMD) following the included manual.
Apply Thermal Paste: Apply a small amount of thermal paste to the center of the CPU's integrated heat spreader (IHS).
Mount the Cooler: Carefully align the Pure Rock 3 LX heatsink over the CPU and secure it to the mounting brackets using the provided screws or clips. Ensure even pressure is applied.
Connect the Fan: Plug the 4-pin PWM fan connector into the CPU_FAN header on your motherboard. Connect the 3-pin ARGB cable to a compatible ARGB header if you wish to use the lighting feature.

Compatibility:

The be quiet! Pure Rock 3 LX supports a wide range of modern CPU sockets, including:

Intel: LGA 1851, LGA 1700, LGA 1200, LGA 115x (LGA 1150, 1151, 1155)
AMD: Socket AM5, Socket AM4

Always verify motherboard compatibility and check for potential clearance issues with RAM modules and case side panels, especially in smaller form factor builds.

Care:

Dust Removal: Periodically (every 3-6 months, or more often in dusty environments) clean the heatsink fins and fan blades to maintain optimal airflow and cooling efficiency. Use compressed air or a soft brush.
Fan Inspection: Check the fan for any signs of wear or obstruction. Ensure it spins freely.
Thermal Paste Reapplication: For optimal performance, consider reapplying thermal paste every 2-3 years, or if the CPU temperature significantly increases over time.