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- Return for refund within: 30 days
- Return for replacement within: 30 days
- Restocking Fee: Yes
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- 4
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| Product Rating: |
 
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| Total Reviews: |
29 |
meh
- Pros: Inexpensive
Moves a lot of air
Quiet by themselves
Great as a rear-exhaust fan
- Cons: -Purchased 3 and have ceased using one of them because it began to make an annoying clicking sound
-The other 2 have a fair amount of vibration when cranked up to full speed, had them both mounted to the top of my HAF 922 at one point and at high speed they had a harmonic thing going which created a noticeable pulsing hum.
-They also throw out a good amount of oil from what I assume is the bearing, the oil ends up coating the blades and the inner ring of the shell, collects a lot of dust because of this
-Wouldn't recommended as an intake fan, makes more noise when trying to pull air through the honeycomb on my case's side panel
- Other Thoughts: Decide for yourself if the performance trade-offs are worth the low cost. I wish CM did a better job of balancing the rotor and sealing up the bearings. Will be buying Scythe S-Flexes or Noctuas next time.
Good Air Flow
- Pros: Moves a lot of air, nice design, long cord.
- Cons: Loud. This thing says its quit operating, but it is pretty loud.
- Other Thoughts: I would say buy if you want a good amount of air flow for a good price, especially free shipping. If you want something thats not loud, dont buy this.
- Pros: works great! Relatively quite
- Cons: None.
| Model |
| Brand |
COOLER MASTER |
| Model |
R4-C2R-20AC-GP |
| Spec |
| Type |
Case Fan |
| Compatibility |
Case |
| Fan Size |
120mm |
| Bearing Type |
Long Life Sleeve |
| RPM |
2000 RPM |
| Air Flow |
69 CFM |
| Noise Level |
19 dBA |
| Power Connector |
3 to 4 pin Adapter |
| Physical Spec |
| Dimensions |
120 x 120 x 25 mm |
| Features |
| Features |
Up to 69CFM (maximum RPM)
19 dB-A silent application for CPU cooling.
RoHS compliance for protecting the environment
Recommended for V10, V8, Hyper 212, Hyper Z600, Gemini, Cosmos, Cosmos S, HAF 932, HAF 922, CM Storm Scout and Sniper.
50,000 long life hours. |
|
|
Reviewed By: Grey on 11/16/2009
Tech Level: high - Ownership: 1 month to 1 year
