Cooler Master R4-C2R-20AC-GP - Ventilador de PC (Ventilador, Carcasa del ordenador, 19 Db, 116g, 120 x 120 x 25 mm, 3 Pin)
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- Number of Fans: 1 Fan Bearing Type: Sleeve Bearing Fan Speed: 1 x 2000 rpm Air Flow: 1 x 69.7 CFM Interfaces/Ports Connectors: 3-pin TX3 Power Description Input Voltage: 12 V DC
- Fan Location: Side Fan Diameter: 1 x 120 mm Height: 4.7" Width: 4.7" Depth: 1" Weight (Approximate): 4.09 oz
- Application/Usage: Processor Green Compliant: Yes Green Compliance Certificate/Authority: RoHS
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Descripción del producto
Adecuado para: Carcasa del ordenador
Conector: 3 Pin
Dimensiones (Ancho x Profundidad x Altura): 120 x 120 x 25 mm
Duración del producto: 50000h
Nivel de ruido (alta velocidad): 19 Db
Velocidad de rotación: 2000 RPM
Ventilación: 69 CFM
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Note that I could not get any of these fans to reach their stated 2,000 RPM. Two of them reach 1,920 RPM at full power, while the third only gets to 1,860 RPM. I did not think to measure this outside of my build (I plugged them in to make sure they worked before installation, but didn't test the RPM). If I get a chance to test them outside my build, I'll update this. I have these fans mounted to laminar flow grids (between the fans and the radiator) to improve the airflow through the radiator. It seems possible to me that it's just the back pressure that's keeping them from max RPM? I'm not enough of an engineer to know. I only put them in this last week, so I don't know yet how much better they will be with poorly optimized games.
I have a fan controller so I can set exact RPM values for every fan in my computer and I found that I can reduce these fans to be silent at 1,000 RPM, which keeps the computer in a reasonable temperature range when I'm doing regular stuff (not games, video processing, or animation) and so I have a lot of headroom to max it while gaming and working on video projects (during which I could care less about the fan sounds, since they both usually involve a lot of sound) and the other activities, which I'll deal with. Quiet in my office is important, I spend a lot of time here.
You do need to be careful with these fans as at maximum speed they are actually dangerous. I found this out the wrong way and got a small chunk taken out of my knuckle. I've hit fans before (I've spent an unfortunate amount of time inside computers) and had a little skin scraped, but this is the first time I needed a bandage.
In the photo the three fans at the top of the case are these fans.
I'll update this if I see significant drops in the RPM range, if any of them die an early death, or if they don't improve my experience with poorly optimized games.
One note, I purchased the Kingwin 5 Channel Multi-Fan Controller with Individual LED FPX-005, and this was the one fan in 3 different models that properly scaled with the varying speed settings--so If you need fans controlled by this controller, this one should do the trick. When this fan was down at the lower RPMs, it was very quiet.