Arctic Cooling Arctic F12 120mm Case Fan

Got two of these rocking my Coolmaster 690, does a great job of cooling and is fairly quite, brilliant piece of kit for the money.

Note: the fan connector is PMW

I have this in my Coolermaster HAF 912 case for a back fan along with a 200mm front fan and 2x120 mm fans at the top (all Coolermaster) So I got a few fans running now and this 1 is by far the most powerful, it shifts the most air and you can tell when you put your hand behind it. That might be because of the extra fins it has, but it works well and looks good.
Couple of negatives, my system is only a very little bite louder than before but hardly noticeable to most people and my commuter was very quiet to begin with and still is so not a big issue but what I did find is that it came with no Molex to 3 pin adaptor to connect to the power supply as I have no more dedicated connecters on my motherboard so I has to order some. Bit of an issue but bear that in mind when ordering. Make sure you get a Molex to 3 pin, already have one or order 1 along with the fan. But all in all a good fan and the best that I have had that shifts a lot of air and cools

I bought this on the basis that most other reviews, including the one below, stated that this was PWM. Sadly it isn't and it only has the 3 pin connector. So when I'm using it it runs at full speed. It's not what I would call noisy, and it shifts and incredible amount of air, but if your wanting a quiet PC I suggest looking elsewhere.