be quiet! Light Wings Pro IO fan

Review Pages

1. Introduction
2. Installation
3. IO Center
4. 360/420mm
5. 120/140mm
6. Conclusion

All models go on sale 27 October with a 5-year warranty, at a premium price tier.

Model	US MSRP	EU MSRP
420mm (all four variants)	$142.90	€119.90
360mm (all four variants)	$132.90	€109.90
140mm Expansion (black or white)	$59.90	€45.90
120mm Expansion (black or white)	$54.90	€42.90

Three separate high-end ARGB fans plus a controller and cables can cost a similar amount, so the value case rests on the cleaner install and the software. Expansion fans are reasonably priced for what they add, but they need a controller or a compatible main unit.

On paper, Light Wings Pro IO pairs radiator-grade airflow and pressure with unusually deep control: per-impeller speed and RPM offset, zero RPM at 40% PWM or lower, sensor-driven curves and groups, four-zone lighting, and settings stored on the device so the app does not need to keep running. The costs are a proprietary IO bus, a controller that needs a USB 2.0 header and SATA power, and full-speed noise (29.2 to 33.9 dB(A) on the triple frames) above the quiet PWM Light Wings models.

Users can upgrade their existing fans to the 360/420mm models, or add Expansion fans to a PC build, for total control of their rig, provided they are willing to invest in the be quiet! ecosystem. This product clearly aims at enthusiast users, hence the high retail price of all Light Wings Pro IO fans. From our point of view, this is a highly recommended system for users who know what they are looking for and want nothing but the best.