Cooler Master R4-SPS-20AK-GP Cooling Fan - R4-SPS-20AK-GP

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Overall Satisfaction
1
Value
3
Ease of Use
5
Performance

This was a huge disappointment

on 12/9/2011

I bought this for two reasons (in order of priority): 1) the noise level, and 2) the slim profile, 15mm instead of regular 25mm. The fan that came with the case was too noisy, and I hoped that this would lower that noise. Putting in this fan doubled or even tripled that noise level. It sounded like a hair dryer on medium fan power. I went into the BIOS to check the fan speed, and it was 2040 rpm, just like it was supposed to. Tried to use a different power source, but no change. I'm not sure why other people say in their reviews that it is quiet, maybe we have different perception of what quiet is, I don't know. For me it is important that I can sit next to a computer for 15min without getting a headache, this fan gave me headache after 10min. It is almost as loud as my bulk power supply is (I'm going to change that too), and that fan is running on 4200 rpm. I don't think I have super human hearing either, rather the opposite. And someone might say that it is noise from the bearings, and as a PhD in turbine aerodynamics I can assure you that this is noise from the fan and not the bearings.

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Product Overview

Case cooling is becoming more essential these days. The better airflow inside your system, the cooler and more stable system you will get.

Specifications

Manufacturer Cooler Master
Mfg Part# R4-SPS-20AK-GP
SKU 223095493
UPC 884102001314
UPC 14 00884102001314
Features
Connectors 3-pin
Product Type Cooling Fan
Manufacturer Part Number R4-SPS-20AK-GP
Manufacturer Cooler Master Co., Ltd
Product Model R4-SPS-20AK-GP
Product Name R4-SPS-20AK-GP Cooling Fan
Brand Name Cooler Master
Application/Usage Case
Package Contents R4-SPS-20AK-GP Cooling Fan4 x Screws1 x 3 to 4-pin Adapter
Compatibility Cooler Master CM 690
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Fan Diameter 1 x 80 mm
Weight (Approximate) 1.59 oz
Height 3.1"
Width 3.1"
Depth 1"
Limited Warranty 1 Year
Air Flow 1 x 24.2 CFM
Fan Bearing Type Sleeve Bearing
Number of Fans 1
Fan Speed (rpm) 1 x 2000 rpm
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This was a huge disappointment on Dec 09, 2011

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