be quiet! Silent Wings 4 120mm PWM High-Speed Case Fan 2500 RPM 76.7 CFM 31.2 dBA Fluid Dynamic Bearing White
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be quiet! Silent Wings 4 120mm PWM High-Speed Case Fan 2500 RPM 76.7 CFM 31.2 dBA Fluid Dynamic Bearing White
€35.07 inc. VAT
BL115
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be quiet! · High-Speed PWM Case Fan
Silent Wings 4 120mm PWM High-Speed — White
2500 RPM max76.7 CFM31.2 dB(A)5-Year Warranty
The be quiet! Silent Wings 4 120mm PWM High-Speed is a white 120 mm 4-pin PWM case fan that reaches 2500 RPM and 76.7 CFM at 31.2 dB(A), aimed at builders who need extra airflow and static pressure for radiators, tower heatsinks and high-performance gaming PCs. Its part number is BL115, and it pairs a fluid-dynamic bearing rated for 300,000 hours with a 6-pole, 3-phase motor and a 5-year be quiet! warranty.
Typically in stock with fast delivery across Cyprus.
Compatibility note: This is a single 120 mm fan (25 mm thick) with a standard 4-pin PWM connector on a 500 mm cable, so it runs from any motherboard fan header or PWM fan hub. Zero RPM (fan-stop) behaviour depends on your motherboard or controller settings. It has no RGB lighting and no hub is included — check that your case or radiator has 120 mm fan mounts.
Best For
✓ Radiators and AIO liquid coolers
✓ High-airflow gaming PCs
✓ Tower heatsinks and mesh fronts
✓ Hot-running or overclocked systems
✓ Filtered front intakes
✓ Replacing noisy stock fans
Key Features
Fluid-Dynamic Bearing
The FDB bearing is rated for 300,000 hours at 25 °C, giving very quiet, long-life operation for years of daily use.
6-Pole, 3-Phase Motor
A 6-pole motor reduces vibration and motor noise, keeping the fan smooth and quiet across its whole PWM speed range.
High-Speed Performance
Up to 2500 RPM, 76.7 CFM and 3.96 mmH2O static pressure for radiators, heatsinks and filtered intakes.
Complete Mounting Kit
Screws, push pins, washers and rubber/hard-plastic mountings are included, plus a 500 mm cable with cable sleeve for tidy builds.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Silent Wings 4 sits between the budget Pure Wings 3 and the flagship Silent Wings Pro 4: you get a 300,000-hour fluid-dynamic bearing and a 6-pole motor without paying for the Pro 4 speed switch. This high-speed version is the one to pick for radiators and hot systems; if silence matters more, the standard PWM version is quieter. For lighting, look at be quiet! Light Wings instead, or browse all case fans to compare sizes and packs.
Buyer's Guide
Buy it if
You want a quiet, long-life 120 mm fan with a 300,000 h FDB bearing, 31.2 dB(A) at full speed and a 5-year warranty.
Skip it if
You want the quietest possible fan (the standard Silent Wings 4 PWM is quieter) or you want RGB lighting.
Also consider
be quiet! Silent Wings Pro 4 for more performance with a 3-step speed switch, or be quiet! Light Wings for ARGB lighting.
Features - be quiet! - BL115
Colour
black
More Details
Product Code
04:471830
EAN Code
4260052191064
Manufacturer
be quiet!