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

- Category: Case Cooler
- Brand: Cooler Master
- Model: Rifle Bearing
- Part number: R4-S8R-20AK-GP
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.4/5 from 523 Amazon reviews
- Warranty: 1 year
- Product page: https://buildmypc.net/component-details/case-cooler/cooler-master-rifle-bearing-r4-s8r-20ak-gp/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | Rifle Bearing |
| FAN RPM | 2000 RPM |
| Noise Level | 20.9 dBA |
| Airflow | 28.89 CFM |

## Key Features

- Air flow - 28.89 CFM. Noise level - 21.0 decibels

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