be quiet!
be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117 is a niche pick — read recent reviews before buying in the cpu coolers & fans category, priced around $19.90. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White… as a niche pick — read recent reviews before buying in the cpu coolers & fans category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. be quiet!'s positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for cpu coolers & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Anti-vibration mounting with push pins and screwed installation option
- ✓ Backed by be quiet!'s warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Optimized fan blades for the highest performance on radiators and heat sinks. Small tip clearance and a fan frame with funnel-shaped air outlets for extremely high air pressure
- 6-pole fan motor and fluid-dynamic bearing for less vibration and very smooth operations. Very silent operation even at maximum speed.
- Anti-vibration mounting with push pins and screwed installation option
- Super-long lifespan of up to 300,000h
- 5-year manufacturer warranty
Full Specifications
| Brand | be quiet! |
|---|---|
| Model | BL117 |
| Voltage | 12 Volts |
| Wattage | 4.8 watts |
| Material | Copper |
| Set Name | PWM High-Speed |
| Unit Count | 1.0 Count |
| Noise Level | 29.3 Decibels |
| Part Number | BL117 |
| Material Type | Copper |
| Cooling Method | Air |
| Number of Items | 1 |
| Vibration/Rumble | Yes |
| Air Flow Capacity | 78.4 Cubic Feet Per Minute |
Ready to buy?
be quiet! Silent Wings 4 Cooling Fan | 140mm PWM high-Speed | White | BL117 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Related CPU Coolers & Fans
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- How to Build a Windows 98 Retro PC in 2026
- Best Budget Gaming PC Build 2026 — ~$1,000 ($800 on Sale)
- Best Retro Handhelds in 2026 — From $35 to $500
- Best 1440p Gaming GPUs in 2026
More reviews from the SpecPicks archive
Browse all reviews →- Best Raspberry Pi for Klipper in 2026: Pi 4 8GB vs Alternatives
- News: ChatGPT Now Listens and Talks at Once
- Best Budget CPU for 1080p Gaming: Ryzen 7 5700X vs 5800X vs i7-9700K
- Fable 5 Cloud vs an RTX 3060 12GB Local Rig: Is Local Still Worth It in 2026?
- Best USB Microphone for a Raspberry Pi Project YouTube Channel (2026)
- Best Cooler for the Ryzen 7 5800X: Noctua vs DeepCool vs CoolerMaster
- Ryzen 7 5800X vs Ryzen 5 5600G for a Budget Local-AI Workstation
- Fix Windows 98 SE on 1GB+ RAM: The Vcache Gotcha
- Is 8GB RAM Enough in 2026? A Real-World Performance Analysis
- Best Raspberry Pi Alternatives for SBC Enthusiasts in 2026
- Microsoft Mirage and Persistent-Memory Video Gen: How Much VRAM You Actually Need
- A 3D-Printed Switch Steering Wheel V2 Brings Adaptive Racing to More Players
- Raspberry Pi Zero W vs Pi 4 for a 2026 Cyberdeck: Which Board Fits?
- The Budget Streaming Starter Kit: Mic, Light, and Webcam Under $250
- Best CPU Coolers for Ryzen 9000 (9800X3D / 9950X3D) in 2026
- Noctua NH-U12S vs DeepCool AK620 for the Ryzen 7 5800X
- Best Gaming CPU for 1080p and 1440p Builds in 2026
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- Ollama vs llama.cpp vs vLLM — which local LLM runtime wins in 2026?
- CPU-Only LLM Inference on a Ryzen 7 5800X: When 32GB of RAM Beats a 12GB GPU
- GeForce FX 5900 Ultra Period-Correct WinXP Build Guide: Driver Hunt, Half-Life 2 Mixed-Mode, and Doom 3…
- Run a Local LLM on a Raspberry Pi 4 8GB: What Works in 2026
- Best NVMe Boot SSD for an AM4 Ryzen Build: 970 EVO Plus vs the Budget Field
- MLX engine comparison… and oMLX is the top choice.