be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan
Bottom line: The be quiet! Light Wings 140mm PWM High Speed Low Noise ARGB Cooling Fan: 20 ARGB LEDs on both front and rear frames, not just a single lit ring.
As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →
Pros & Cons
Pros
- ✓ 20 ARGB LEDs on both front and rear frames, not just a single lit ring
- ✓ 31dB(A) at full 2,200rpm - quiet for a high-speed 140mm fan
- ✓ Nine silence-optimized blades built for radiator and heat sink static pressure
- ✓ Rifle bearing rated for 60,000 hours of operating life
Cons
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
The be quiet! Light Wings 140mm PWM High Speed is built for builders who want ARGB lighting without trading away acoustics. Twenty LEDs split across the front and rear frames give you full-depth illumination rather than a single lit ring, and the lighting syncs directly with your motherboard's ARGB header so it falls in line with the rest of your build. Nine silence-optimized blades generate the static pressure you need to push air through dense radiator fins and CPU heat sink stacks, while keeping turbulence noise down: be quiet! rates the fan at 31dB(A) at its full 2,200rpm ceiling. The…
SpecPicks Verdict
SpecPicks scored be quiet! Light Wings 140mm PWM High Speed Low Noise ARGB Cooling Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the PC & gaming hardware category. be quiet!'s PC & gaming hardware lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for PC & gaming hardware 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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- ARGB lighting on front and rear
- Multiple colors and modes for an individual look thanks to 20 LEDs
- Nine silence-optimized fan blades for high pressure and low noise-generating turbulences
- Remarkable performance-to-noise ratio with 31dB(A) at 2,200rpm
- Long life rifle-bearing gives an operating lifetime of 60,000 hours
Full Specifications
| Brand | be quiet! |
|---|---|
| Model | BL075 |
| Voltage | 12 volts |
| Wattage | 4.7 watts |
| Material | Copper |
| Set Name | PWM High-Speed |
| Unit Count | 1 Count |
| Noise Level | 31 db |
| Part Number | BL075 |
| Material Type | Copper |
| Cooling Method | Fan |
| Number of Items | 1 |
| Air Flow Capacity | 71.7 cfm |
| Compatible Devices | Desktop |
| Included Components | Fan |
| Power Connector Type | 4-Pin |
| Warranty Description | 1 year |
| Maximum Rotational Speed | 2200 rpm |
| Item Dimensions L x W x H | 5.51"L x 5.51"W x 0.98"H |
| Global Trade Identification Number | 04260052188798 |
| Full listing title | be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Sinks | Black | BL075 |
Ready to buy?
be quiet! Light Wings 140mm PWM High Speed Low Noise Premium ARGB Cooling Fan | 4-Pin | Ideal for Radiators and Heat Sinks | Black | BL075 is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
More guides & deep dives from the SpecPicks archive
Browse all articles & guides →- 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
- The Complete Voodoo5 5500 AGP Driver Guide (2026 Edition)
- RTX 4070 Super vs RX 7800 XT — Which to Buy in 2026
- Emulation Hardware in 2026: FPGA, Software, and Cart-Reader Ecosystems
More reviews from the SpecPicks archive
Browse all reviews →- Upgrading a Ryzen 7 5800X + RTX 4080 Build in 2026
- How to Run a SATA SSD on a Windows XP Retro Gaming PC (AHCI + Adapters)
- Devin Maker Cognition Hits $26B: What a Capital-Backed Coding Agent Race Means for Local-LLM Builders
- vLLM vs llama.cpp for Single-User Local Chat on a 12GB GPU
- Advanced Raspberry Pi Projects for Adults (2026 Guide)
- Best Fighting Game Controller and Arcade Stick for PC in 2026
- Gemini 3.5 Flash vs Local LLM on RTX 3060 12GB: When Cloud Beats Self-Hosted
- Best Arcade Fight Stick & Controller for PlayStation Fighting Games (2026)
- Qwen 3.6 27B Quantization Showdown: BF16 vs Q8_0 vs Q4_K_M on Consumer GPUs
- Build a Self-Hosted Security Camera on a Raspberry Pi 4 8GB in 2026
- RTX 3060 12GB vs Arc B580 for 1080p Gaming: Which Wins?
- Ryzen AI Max+ 'Gorgon Halo' 192GB vs RTX 3060 12GB for Local LLMs
- Best Steam Deck Accessories in 2026: Docks, Audio, Controllers, and Storage
- Logitech G920 vs HORI Racing Wheel: Best First Sim Wheel?
- Noctua NH-U12S vs DeepCool AK620 for the Ryzen 7 5800X
- AI-Driven Driver Install on WinXP: Vision LLM Walks the Audigy FX Setup
- Best SATA SSDs for Gaming and Retro PC Builds in 2026
- AVX-512 Lifts Linux RAID Up to 41% on AMD Ryzen Chips
- CompactFlash-to-IDE Boot Drive: The Silent Win98 Build Upgrade
- Ryzen 5 5600G vs Core i7-9700K for a Budget 1080p Gaming Build
- M3 Ultra vs RTX 4090 for local LLMs
- Voodoo5 5500 PCI Boots on a Modern Z77 Board: Retro-on-Modern Just Got Easier
- GeForce 3 Ti 500 Build Guide: Period-Correct Win98 SE Rig for 2001-Era Gaming
- Best SSD for a 1TB+ Steam Library in 2026: SATA vs NVMe Showdown
Earliest SpecPicks reviews
Browse full archive →- Best GPU for Llama 3.1 8B (2026)
- Best GPU for Qwen 3 14B (2026)
- Best GPU for Qwen 3 32B (2026)
- Best GPU for Llama 3.1 70B (2026)
- Best GPU for DeepSeek-R1 32B (2026)
- Best GPU for Llama 3.1 405B (2026)
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 14B on NVIDIA GeForce RTX 5090
- How to run Qwen 3 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 70B on NVIDIA GeForce RTX 5090
- How to run DeepSeek-R1 32B on NVIDIA GeForce RTX 5090
- How to run Llama 3.1 8B on NVIDIA GeForce RTX 4090