Affiliates
Bluegears b-flexi and b-cools fans
Date: 2007-02-27 | Author: Victor Wu
Company: Bluegears, Inc
Share:
Tools:
Related Reviews:
Introduction
Despite the shrink in the die size and enhanced technology that allow manufactures to produce cooler components, the internal components in a computer still generates quite a lot of heat, especially if you are looking for the best and fastest parts. In order to dissipate the amount of heat from the system, most cases today are designed to mount multiple fans in order to effectively and efficiently keep these components cool and enhance their life-span and possibly even help to increase the performance as cooler system allows better overclocking. However, finding a good fan is never an easy job as it requires a balance of the noise level and efficiency. A good fan not only have to be quiet but also able to pull enough hot air away from the case. Today at Bjorn3d, we will take a look at Bluegears’s b-cool and b-flexi fans and see whether or not they will be a good choice for anyone out there seeking a quiet yet efficient fan.
Bluegears are extremely generous as they have send both 80mm and 120mm of their b-cool and b-flexi fans for us to review. These fans are not your normal boring fans, rather, both b-cool and b-flexi fans have some special cool features incorporated into the fan. Let’s take a look at them in depth.
B-cool80 and b-cool120
|
Feature/Specification |
b-cool80 |
b-cool120 |
|
Dimension
|
80mm x 80mm x 25 mm
|
120mm x 120mm x 25 mm
|
|
Air Pressure
|
NA
|
1.6±10% (max)
|
|
Air Flow
|
23 CFM ±10%(max)
|
49 CFM ±10% (max)
|
|
Speed
|
2300 RPM ±200
|
1700 RPM ±10% (max)
|
|
Noise (dBa)
|
25 ±10%
|
29.5 ±10%
|
|
Input Current
|
0.3A(max)
|
0.4A(max)
|
|
Input Power
|
3.6W(max)
|
4.8W(max)
|
|
Rated Voltage
|
DC 12V
|
DC 12V
|
|
Operation Voltage
|
11.0-13.8 VCD
|
7.0-13.8 VDC
|
|
Insulation Resistance
|
NA
|
10MΩ min. at 500VDC
|
|
Dielectric Strenght |
NA | 5mA Max. at 500V AC 60Hz. for 1 min. |
|
Rotation |
NA | CW view from name plate side |
|
Air Flow direction |
NA | Air intake over the struts |
|
Insulation Rank |
NA | UL:Class A |
|
Life Expectancy |
NA | 20000 hours continuous |
|
Bearing |
Sleeve | Sleeve |
|
Output Signal |
NA | Frequency Generator |
The Bluegears b-cool fans are 25mm depth, sleeve bearing fans that come in two sizes: 80mm and 120mm. There’s a selection of white or blue background light and the fans come with a bag of screws and a 3 pin to 4 pin molex power adapter. The cable for both fans are bundled together instead of loose individual lines. The 80mm b-cool fan comes with a fan grill attached while the 120mm version does not come with a fan grill. The fan grill on the 80 mm fan is a bit rised and attached to the fan so it is not removable.
B-cool fan has build in temperature sensor on the fan and it can display the temperature on the side of the fan where the fan is sucking the air. In additino to the fan temperature information, the fans will also light up blue color when it's in use. Despite both b-cool80 and b-cool120 will display temperature information, the 80mm fan will only show the word "cool" while the 120mm version will show more dynamic display.
The 80mm version is rated to run at 2300±200 rpm with the air flow of 23±10% CFM and 25±10% dBA noise level, while the 120mm version is rated at 1700±10% rpm with air flow of 55±10% CFM and 32±10% dBA noise level.
Due to the placement of the fan grill and the LED, the fans are best mounted onto the surface where the fan is blows air to the components rather than pull air away. If it is mounted in other way around, the information will not show up since the chip is only on one side of the fan.
Share:
Tools:
Disclosure: Bjorn3D review products are sometimes provided by the vendors who manufacture the hardware. Review samples are in some cases retained by the reviewer that reviews the product for further comparison to other similar products. Companies that buy ads on the site do not get any special treatment when it comes to reviews and any ad-sales are not connected to the reviews or the review scores.