Corsair

Corsair CO-9050017-PLED AF140 Purple LED Case Fan

A quiet 140mm case fan with purple LEDs that delivers high airflow and a striking visual accent for your PC build.

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Overview

The Corsair Air Series AF140 LED Quiet Edition is a 140mm case fan built for builders who want reliable high-airflow cooling paired with a distinctive purple LED accent. Pushing 66.4 CFM at a fixed 1200 RPM, it moves a significant volume of air through a case chassis while keeping noise down to a rated 25.5 dBA — quiet enough that it will not overpower ambient room noise in most desktop environments. The frosted, translucent blade design diffuses the purple LED illumination evenly, avoiding the harsh hotspot look that clear-bladed LED fans can produce.

Corsair's ultra-thin blade profile is engineered to reduce turbulence and the associated noise that thicker, more aggressive blade designs can generate. The sleeve bearing keeps the fan smooth and quiet during standard case-ventilation duty, though builders who plan to mount fans horizontally for extended periods may want to consider ball-bearing alternatives for longevity. At 140mm by 25mm, the AF140 fits standard case fan mounts and provides a noticeable airflow upgrade over smaller 120mm fans, making it a straightforward choice for front intake, top exhaust, or rear exhaust positions in mid-tower and full-tower builds.

Key Features

Fan Size 140mm x 25mm

Noise (dBA) 25.5 dBA

Airflow (CFM) 66.4 CFM

Static Pressure (mm/H2O) 0.80 mm/H2O

Power Draw (at +12V) .23A, 1200RPM

Specifications

Brand
Corsair
Model
CO-9050017-PLED
Fan Size
140mm x 25mm
Bearing Type
Sleeve
Speed
1200 RPM
Airflow
66.4 CFM
Noise Level
25.5 dBA
LED Color
Purple

Frequently Asked Questions

The AF140 uses standard 140mm fan mounting points, compatible with any case or radiator position designed for 140mm fans.
Corsair rates the AF140 at 25.5 dBA, which is quiet enough for most environments. The sleeve bearing and ultra-thin blade design help minimize vibration-related noise.
No, the LEDs are fixed purple and cannot be turned off or changed. If you want adjustable lighting, you would need an RGB-capable fan model instead.
The AF140 is optimized for high-airflow case ventilation rather than static pressure. For radiator use, Corsair's SP (Static Pressure) series fans are a better match.
It uses a sleeve bearing, which provides quiet operation and is well-suited for case airflow applications where the fan is mounted vertically.