BL075 - Computer Cooling Component Be Quiet! - Free user manual and instructions

Product Type	Case Fan
Brand	Be Quiet!
Model	BL075
Fan Size	120 mm x 120 mm x 25 mm
Weight	Approx. 150 g
Rated Voltage	12 V DC
Rated Current	0.2 A
Power Connector	3-pin or 4-pin PWM
Maximum Airflow	Approx. 50 CFM
Noise Level	15-20 dBA
Bearing Type	Rifle or Fluid Dynamic Bearing
Fan Speed	800-1500 RPM (PWM controlled)
Compatibility	Standard 120 mm fan mounts in PC cases and radiators
Key Features	Low noise, optimized airflow, anti-vibration mounts
Maintenance	Dust with compressed air; wipe with dry cloth
Safety	Do not expose to liquids; use only with specified voltage
Spare Parts	Not available; fan is not user-serviceable
Repairability	Replace entire unit if defective
General Information	Designed for quiet PC operation; suitable for air or liquid cooling

Frequently Asked Questions - BL075 Be Quiet!

How do I install the Be Quiet! BL075 fan?

Mount the fan to your case or radiator using the provided screws. Connect the power cable to a 3-pin or 4-pin header on your motherboard. Ensure correct orientation for airflow direction (arrow on fan frame).

Is the BL075 fan compatible with my motherboard?

Yes, the BL075 uses a standard 3-pin or 4-pin PWM connector, compatible with most motherboards. Check for a fan header with matching pin count.

What is the noise level of this fan?

The BL075 operates at a very low noise level of 15-20 dBA, making it suitable for quiet builds. The actual noise depends on speed and system configuration.

Can I control the fan speed?

Yes, if connected to a 4-pin PWM header, speed can be controlled via BIOS or software. With a 3-pin header, speed is fixed at maximum or controlled by voltage.

How do I clean the BL075 fan?

Turn off and unplug the PC. Use compressed air to blow dust off the blades and frame. For stubborn dirt, gently wipe with a dry cloth. Do not use water or cleaners.

Is the fan suitable for radiator use?

Yes, the BL075 is designed for both case and radiator applications. Its high static pressure ensures efficient airflow through dense fins.

What is the lifespan of this fan?

Typically, Be Quiet! fans have a lifespan of 80,000 to 100,000 hours under continuous use, depending on bearing type and operating conditions.

My fan is making unusual noise. What should I do?

Check for obstructions or loose screws. Ensure the fan is not touching any cables. If noise persists, the bearing may be defective; consider replacing the fan.

Does the fan come with accessories?

Yes, the package includes mounting screws and possibly anti-vibration pads or rubber mounts for quieter operation.

Is the BL075 fan RGB?

No, the BL075 is a non-RGB fan designed for silent performance. For RGB versions, check other Be Quiet! models.

USER MANUAL BL075 Be Quiet!

EN Introduction: Thank you for deciding to purchase a be quiet! product. The following instructions will guide you through the installation process. If you do encounter installation problems, please don't hesitate to contact our customer services by mailing [e-mail]. Please note that be quiet! cannot accept liability for damage caused by compatibility problems. Warranty:

• 3-year manufacturer guarantee for consumers (original purchase from authorized be quiet! dealers only)
• Guarantee work can only be processed with a copy included of the purchase receipt from an authorized be quiet! dealer
• Manipulation and structural changes of any kind, including any damage caused by external mechanical force, will lead to a complete voiding of the guarantee
• Our General Warranty Conditions apply, which can be viewed on bequiet.com

Listan GmbH · Wilhelm-Bergner-Straße 11c·21509 Glinde Germany. For further information please visit our website: www.bequiet.com

3D render of a CPU fan with mounting screws, shown from two views (top and side), no text or symbols present.

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Installation of Light Wings Triple Pack | Installation des Light Wings Triple Pack

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3D rendering of a CPU fan with mounting screws, shown from two views (no text or symbols visible)

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Exterior view of a gray portable device labeled 'be quiet!' with a small cable attached (no additional text or symbols visible)

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3D rendering of a mechanical assembly with mounting holes and a small component (no visible text or symbols)

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Close-up of two gray electronic connectors with visible leads and wires (no text or symbols)

be quiet! Limited Warranty »

Per the terms and conditions of this limited warranty as given below, be quiet! warrants its new products to be free of defects resulting from faulty materials and faulty manufacturing for the length of the warranty period.

I. APPLICABILITY

This non-transferable warranty is applicable to newly purchased, previously unopened be quiet! products and is enforceable by only the original consumer purchaser. Proof of purchase is required for warranty service, so should be retained. be quiet! does not provide warranty registration services.

II. WARRANTY PERIOD

For eligible products, parts and labor are warranted for the applicable warranty period from the date of purchase. The applicable warranty period varies by product model, and is identified in your user documentation, on the product package, or as listed below. Should any of these warranty periods differ, the longest specified warranty period will apply. Replaced products will be warranted for the remainder of the original warranty period or thirty days, whichever is longer.

III. EXCLUSIONS

The following are not covered by the warranty: 1. Normal wear and tear.
2. Any product which has been modified without per-

mission from be quiet!, or on which the serial number or warranty sticker has been defaced, modified, or removed.

1. Damage, deterioration or malfunction resulting from:

2. Accident, abuse, misuse or improper use, neglect, connection to an improper voltage source, unauthorized product modification, or failure to follow instructions included with the product.

3. Fire, water, lightning, or other acts of nature.
4. Repair or attempted repair by anyone not authorized by be quiet!.
5. Shipping or transport damage (claims must be made with the carrier).

6. Any other cause which does not relate to a defect in materi-als or manufacturing workmanship.

7. Cartons, cases, batteries, cabinets, tapes, accessories or other consumables used with this product.

8. be quiet!, Inc. does not warrant that this product will meet your requirements. It is your responsibility to determine the suitability of this product for your purpose.

9. Removal or installation charges.

10. Shipping charges.

11. Any incidental charges.

IV. EXCLUSION OF DAMAGES

be quiet!'s sole obligation and liability under this warranty is limited to the repair or replacement of a defective product at its option. be quiet! shall not, in any event, be liable for any special, incidental, indirect, or consequential damages whatsoever, including but not limited to loss of profits, revenue, or data (whether direct or indirect), damages resulting from interruption of service

and loss of business, or for liability in tort relating to this product or resulting from its use or possession, even if be quiet! has been advised previously of the possibility of such damages.

V. LIMITATIONS OF IMPLIED WARRANTIES

There are no other warranties, expressed or implied, including but not limited to those of merchantability or fitness for a particular purpose. The duration of implied warranties is limited to the warranty length specified in Paragraph II.

VI. LOCAL LAW AND YOUR WARRANTY

This warranty gives you specific legal rights. You may also have other rights granted under local law. These rights may vary.

VII. NO OTHER WARRANTY

No be quiet! employee, dealer, or other agent is authorized to make any modification, extension, or addition to this warranty.

VIII. TO OBTAIN TECHNICAL SUPPORT OR WARRANTY SERVICE

Please see your product owner's manual or visit the Online Support section at www.bequiet.com for details and contact information. You will need to provide proof of purchase for warranty service.