Description
The Cooler Master AH025-20B2-3AN represents a reliable standard in industrial and consumer cooling, engineered for longevity and consistent performance. Featuring an 80mm frame and a dual ball bearing motor, this fan is designed to operate continuously in demanding environments, offering a significant upgrade over standard sleeve bearing alternatives for those who prioritize hardware longevity.
This product is for:
- System builders requiring high-MTBF components for 24/7 server operations.
- IT professionals looking for reliable replacement fans for legacy workstations and compact enclosures.
- Home lab enthusiasts building NAS or small form factor (SFF) rigs where space is limited.
- Industrial equipment maintenance teams needing RoHS-certified cooling solutions.
- PC users seeking a quiet yet effective 80mm exhaust or intake solution to prevent thermal throttling.
Detailed specifications:
- Dimensions: 80 x 80 x 25 mm
- Bearing Type: Dual Ball Bearing
- Airflow: 27.19 CFM
- Static Pressure: 1.95 mm-H2O
- Rotational Speed: 2000 RPM ± 10%
- Noise Level: 20 dBA
- Rated Voltage: 12V DC
- Mean Time Between Failure (MTBF): 70,000 hours at 25°C
In practical application, the AH025-20B2-3AN excels in high-impedance environments such as dense drive cages or heatsinks. The dual ball bearing design minimizes friction, which not only extends the lifespan to 70,000 hours but also allows the fan to be mounted in any orientation—horizontal or vertical—without the premature wear common in sleeve bearing fans. The 20 dBA rating ensures that even at full 2000 RPM speed, the acoustic footprint remains unobtrusive in office or home settings.
Compared to standard 80mm sleeve bearing fans, this Cooler Master model offers nearly double the operational lifespan and superior performance in high-temperature scenarios. While 120mm fans provide more total airflow, this 80mm unit is specifically optimized for high static pressure (1.95 mm-H2O), making it more effective at pushing air through restricted spaces than larger, low-pressure case fans often found in budget builds.
Q&A:
- What is the benefit of a dual ball bearing over a sleeve bearing? Dual ball bearings handle higher temperatures and offer a significantly longer lifespan, especially when mounted in horizontal positions.
- Is this fan compatible with standard motherboard headers? Yes, it utilizes a standard DC connection compatible with most 3-pin and 4-pin motherboard fan headers.
- Does the package include mounting hardware? Yes, each unit includes four dedicated mounting screws for quick and secure installation.
- Can this fan be used in industrial environments? Yes, it is RoHS certified and features a high MTBF, making it suitable for professional, industrial, and 24/7 server applications.
- How loud is 20 dBA in a real-world setting? 20 dBA is roughly equivalent to a quiet whisper, ensuring the fan remains nearly silent when installed inside a closed PC chassis.
