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be quiet BL098 Silent Wings Pro 4 PWM 120mm Fan Installation Guide

Silent Wings Pro 4 PWM 120mm Fan
Installation Guide

» Product information for this fan

Installation of the hard plastic fittings

Clip the hard plastic elements from above onto the fitting lock. Use the hard plastic element with the marking Corner Type B for the fitting lock where the fan cable is. Use the hard plastic elements with the marking Corner Type A for the remaining fitting locks.

To remove the hard plastic elements, press down the latching lugs on the right and left side to remove the hard plastic elements. Then pull the mounting element upwards.

The speed switch allows changing between mid-speed, high-speed and ultra-high-speed. To change the fan speed, pull the switch to the desired position.

120mm 140mm
M 1600rpm 1100rpm
HS 2500rpm 1900rpm
UHS 3000rpm 2400rpm

Screw down the fan using the included screws.

Installation of the anti-vibration fittings

The rubber elements as well as the fitting locks are engraved on the inside.

  • When positioned towards “L” there is a 1mm gap between the housing and the fan frame, resulting in the maximum possible decoupling.
  • When you position the rubber elements towards “S” they fit flush with the housing.

To remove the anti-vibration fittings follow the instructions on page 1.

The fan is then mounted into place using the washers and push-pins.

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.

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.
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.
The following are not covered by the warranty:

  1. Normal wear and tear.
  2. Any product which has been modified without permission from be quiet!, or on which the serial number or warranty sticker has been defaced, modified, or removed.
  3. Damage, deterioration or malfunction resulting from:
    • 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.
    • Fire, water, lightning, or other acts of nature.
    • Repair or attempted repair by anyone not authorized by being quiet!.
    • Shipping or transport damage (claims must be made with the carrier).
    • Any other cause which does not relate to a defect in materials or manufacturing workmanship.
  4. Cartons, cases, batteries, cabinets, tapes, accessories, or other consumables used with this product.
  5. 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.
  6. Removal or installation charges.
  7. Shipping charges.
  8. Any incidental charges.

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.

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.

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

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

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


5 years manufacturer guarantee for consumers (original purchase from authorized be quiet! dealers only). Guarantee work can only be processed with an included copy of the purchase receipt from an authorized be quiet! dealer. Manipulation of any kind, structural changes of any kind as well as damages through external mechanical forces lead to a complete voiding of the guarantee. Our General Warranty Conditions apply, which can be viewed on the Internet on

Listen GmbH. Wilhelm-Bergner-Straße 11c .
21509 Glinde .
Germany For further information,
you can contact us via

Documents / Resources

be quiet BL098 Silent Wings Pro 4 PWM 120mm Fan [pdf] Installation Guide
BL098, Silent Wings Pro 4 PWM 120mm Fan, BL098 Silent Wings Pro 4 PWM 120mm Fan



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