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Cooler Master R4-C2R-20AC-GP 120mm Long Life Sleeve Bearing No LED 2000RPM Black Cooling Fan

This product can only be exchanged or replaced with the exact same item.
Cooler Master R4-C2R-20AC-GP 120mm Long Life Sleeve Bearing No LED 2000RPM Black Cooling Fan - 1
Actual product may not be exactly as shown.
Cooler Master R4-C2R-20AC-GP 120mm Long Life Sleeve Bearing No LED 2000RPM Black Cooling Fan - 61078_l.jpg Customer Photos (0)
Our Price: $7.99  CAD

Savings Code 61078-1017. SAVE $1.00 off our regular price of $8.99 if you buy today! Special price ends soon.

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Part #: R4-C2R-20AC-GP

SKU: 61078
Shipping Weight: 0.2 lbs
Shipping estimate: $5.99*
*Via NCIX selected courier.

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Customer Reviews of COOLERMASTER R4-C2R-20AC-GP

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding COOLERMASTER R4-C2R-20AC-GP reviews.
Experience: 5 Days

Very good airflow -- a bit loud Verified OwnerVerified Owner


-Excellent airflow (directed)
-One of the best values for a radiator cooler -- high pressure rating
-A bit loud at max RPM -- but if you include a fan curve for CPU performance it'll be fine
Really good fan -- would recommend.

That#39;s Life
Experience: 2 Years


Still working after 2 years. Price when on sale.
Good air flow and noise levels for the price paid. Not the quietest but given the price, it's acceptable.

Experience: 1 Years


moves air around
could have been cheaper
to be fair, it works fine. not too loud. not too underperforming as air volume is concerned.

will buy again.

Experience: 14 Days


Great cooling
none yet
Cooler master make reliable products. I am a fan of 120 mm fans, they move more air for the amount of noise.

Experience: 1 Months


These push a good amount of air at full power... but... see cons >
This product gets 3 stars because of how LOUD they are, exactly like another reviewer stated "they sound like a jet engine" when at full power. I had to plug them into a fan controller just to dial them down to a bearable level.

Overall, they still push air but cannot be the same db level they claim... and having to dial them down with a fan controller means I am not able to gain their full cooling potential.

Experience: 2 Months


Lots of air flow
load if on full do not come with fan controller.
Put 2 of the in a coolermaster case and had to put fan controllers on them because they were too loud. I turned them down halfway much quieter now and still have great air flow.

Experience: 5 Days


Comes with 3 pin-Molex Connector
Moves a decent amount of air
LOUD! Holy cow....There's no way these can be the DB rating they have. I put 2 of them into my CM690 II case to replace 2 failed Yate Loon's that are rated at a higher DB. These things sound like rocket ships taking off, I had to take them out just after a couple hours of use. I'd have thought it was defective but both fans I have produce the same level of sound.
Moves air decently, but SO loud. Maybe my perception of "loud" is warped but I will never get one of these again.

edit: I've since plugged the fan in while holding it in my hand and it is whisper quiet. As soon as I mount it to the side panel it sounds like a jet engine. =(

This review was modfied by poster @ 01-26-13 02:35 PM

Experience: 2 Weeks


Fairly quiet
Moves lots of air
Using this fan as an exhaust in the back of my CM690II Advanced case. Its louder than the stock fans but it spins twice as fast at 2000rpm and moves way more air. Was able to price match it down to $5 so is a great deal for a inexpensive, effective fan.

Experience: 7 Days


Moves air like it's supposed to
Would purchase again for sure, it was used in my roommates computer as an intake and it helped drop  his ambient temps quite nicely. I have 2 of the green LED version, one added to my Hyper 212 Evo as a pull fan and it works awesome, the other is used as intake like my roommate. 4stars

Experience: 6 Weeks


I bought these for a NAS system that I wanted to keep cool. So far I have had no problems with these fans. I price-matched them down to $5 and at that price, it's an awesome deal. They've been running quietly and very effectively.

Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Air Flow 1 x 69.7 CFM
Application/Usage Processor
Connectors 3-pin TX3
Fan Diameter 1 x 120 mm
Weight (Approximate) 4.09 oz
Fan Bearing Type Sleeve Bearing
Height 4.7"
Width 4.7"
Depth 1"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority RoHS
Fan Speed (rpm) 1 x 2000 rpm

Specifications [ Edit | History ]

Fan Information  
     Air Flow: 1 x 69.7 CFM
     Fan Bearing Type: Sleeve Bearing
     Fan Speed (rpm): 1 x 2000 rpm
     Number of Fans: 1
General Information  
     Brand Name: Cooler Master
     Manufacturer: Cooler Master Co., Ltd
     Manufacturer Part Number: R4-C2R-20AC-GP
     Manufacturer Website Address:
     Product Name: Long Life Cooling Fan
     Product Type: Cooling Fan
     Connectors: 3-pin TX3
     Application/Usage: Processor
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Physical Characteristics  
     Depth: 1" (25 mm)
     Fan Diameter: 1 x 120 mm
     Fan Location: Side
     Height: 4.7" (120 mm)
     Weight (Approximate): 116 g
     Width: 4.7" (120 mm)
Power Description  
     Input Voltage: 12 V DC

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Messages about Cooler Master R4-C2R-20AC-GP 120mm Long Life Sleeve Bearing No LED 2000RPM Black Cooling Fan

Why is the shipping weight so much heavier? (dragoonxx- May 19, 11, 2 Replies)
this seems way to good for the price (devan_w- May 07, 11, 3 Replies)

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Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

Reviews from the Web

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Product Warranty

First 30 days limited warranty through The remainder of the one year warranty is provided directly by the manufacturer.

Support For USA, Canada, & Mexico 
Cooler Master USA
4820 Schaefer Ave.
Chino, CA 91710

Phone: 1-909-673-9880
Fax:  1-909-673-9882 or 9883

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

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NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. Laptops and Notebooks can be returned within SEVEN (7) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns.

GOVERNMENT & BUSINESS Laptop and Notebook purchases made with government or business POs can be returned typically within fourteen (14) days from original invoice date. Return will only be accepted with original packaging, accessories, cables, free gifts (if applicable), unopened software and manuals and is subject to inspection before warranty approval. Laptop and notebook with tampered serial numbers or UPC code will be denied returns. Please check with your B2B sales representative for specific terms and details.

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