Just to let you know that this is not tend for professional user who need those numbers like CFM and stuff, you can have a look at its specifications on the official website.
http://www.silverstonetek.com/products/p_s...=AP121&area=usa

Now, I'll just post some temperature from my very little software called speedfan.
Temperature is estimated, thus cannot be use as comparison against other product of yours, room temperature, chassis air-flow can also affect overall result.

Previously I used Thermaltake 200mm fan as front intake, the result is, horrible, all due to the front filter.
HDD0: Western Digital Carviar Blue 320GB
HDD1: Western Digital Carviar Black 1TB
HDD2: Samsung F3EG 2TB

How do I arrange my hard disk: [Thermaltake Element G has 7 HDD slots, take the height into consideration, 200mm only covered 5 HDDs]
Slot 1: HDD1
Slot 2: HDD0
Slot 4: HDD2

Original temperature:
HDD0: 38C
HDD1: 40C
HDD2: 35C

Frustrated with that result (hey, I never get 40C from my previous chassis FYI) I install another fan (CM Blue LED silent fan, the fan that came with CM 4-in-3 module device) to double-push the temperature down to:
HDD0: 35C
HDD1: 37C
HDD2: 33C

Ok, now I removed all of the intake fans, included the extra fan and install only 1 (I bought 2) to test out the temperature differences:
HDD0: 36C
HDD1: 38C
HDD2: 35C

So you have it, this fan is:
1. Very darn quiet, can't hardly hear anything from a feet way, whisper quiet.
2. Concentrated air-flow, can push up to 1 meter with just 35CFM.
3. Even with filter on, the air-flow does not decrease, yes, does not decrease at all, but air-pressure decreased to half-a-meter.
4. Normal & rubber screws included, sleeved cable, provide 3 different voltage power connector for extreme convenient thus no modding necessary.
5. Good quality construction, can be felt through its weight, strong and reliable.

The bad is:
1. Very little air-flow, is not suitable for people looking at CFM, Sycthe Gentle Typhoon might be your choice.
2. Some reviews said the air-flow is not suitable for radiator cooling, might be due to limited air-flow.
3. [care to give me more? ]

Conclusion, so you think this fan is not worth it right? Since my double push fan won it big time, well think again, I only installed 1 fan and only 1 fan is pushing the air with filter on, plus with this low air-flow, this is a kick-ass product

Pictures below:


This post has been edited by wildwestgoh: Nov 4 2010, 08:24 PM