# Cooler Master Sleeve Bearing 80mm Silent Fan for Computer Cases and CPU Coolers

- Category: Case Cooler
- Brand: Cooler Master
- Model: Sleeve Bearing
- Part number: R4-SPS-20AK-GP
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.5/5 from 2249 Amazon reviews
- Warranty: 1 Year 
- Product page: https://buildmypc.net/component-details/case-cooler/cooler-master-sleeve-bearing-r4-sps-20ak-gp/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | Sleeve Bearing |
| FAN RPM | 2000 RPM |
| Noise Level | 20 dBA |
| Airflow | 24.2 CFM |

## Key Features

- Recommended for CM 690 / 590 / 690 II
- Efficient 11-blade fan design for increased cooling at lower speeds
- 24.2 CFM Higher airflow to enhance cooling performance
- Silent operation at 20 dB-A for excellent case cooling
- RoHS compliance for protecting the environment
- Recommended for CM 690 / 590 / 690 II. 3 pin Connector. 2000 R.P.M. ± 10% Speed (R.P.M.)
- Efficient 11-blade fan design for increased cooling at lower speeds
- 24.2 CFM Higher airflow to enhance cooling performance
- Silent operation at 20 dB-A for excellent case cooling
- RoHS compliance for protecting the environment

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