Bought this cheap fan from CDL Micro with the picture shown as 'Sabre' but the actual item that arrived was a 'Logilink' fan (specs shown below)
The Logilink fan does move alot of air at 50CFM which you can feel when putting your hand next to it but does create alot of noise 32.6 db (A) & as it does not have a 3 pin motherboard connection you cannot change its speed in the bios settings to help reduce the speed & thus the noise it makes.
So if noise is an issue you won't be happy hearing the constant distracting whirring sound that this fan makes.
I have just ordered the Sharkoon Case Fan (because I want a silent computer) which is £3 more than this fan but boasts lower noise 17.8 dB(A) & 22.70 CFM. It also comes with a 3 pin motherboard connection, hopefully as per the reviews for this fan I will bearly be able to hear it.
In summary this fan is probably best for those who don't mind the noise & need a cheap powerful fan due to high computer temperatures.
Specification:
Dimensions: 80x80x25 mm
Flow rate: 50 CFM
Noise: 32.6 dB (A)
Operating voltage: 12 V DC
Voltage range: 12 V DC
Current consumption: 16 mA
Rated speed: 2,500 rpm
Life: 30,000 hours
Port: 5.25 inch double Y-connector