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Cooler Master R4-L2R-20AC 120mm Blue LED Case Fan 2000RPM 69CFM 19DBA 3/4 Pin

This product can only be exchanged or replaced with the exact same item.
Cooler Master R4-L2R-20AC 120mm Blue LED Case Fan 2000RPM 69CFM 19DBA 3/4 Pin - 1
Actual product may not be exactly as shown.
Cooler Master R4-L2R-20AC 120mm Blue LED Case Fan 2000RPM 69CFM 19DBA 3/4 Pin - 42176_l.jpg Customer Photos (0)
Our Price: $7.99  CAD

Savings Code 42176-1017. SAVE $3.64 off our regular price of $11.63 if you buy today! Special price ends soon.

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Part #: R4-L2R-20AC-GP

SKU: 42176
Shipping Weight: 0.1 lbs
Shipping estimate: $5.99*
*Via NCIX selected courier.

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Customer Reviews of COOLERMASTER R4-L2R-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-L2R-20AC-GP reviews.
Experience: 10 Months

You get what you pay for


-cools case
-fans rattle
I got three of these for my Design R5, and although it kept my SSD's cooler, I ended up unplugging the one on the bottom as it rattled. I am currently in the process of buying more expensive fans; but you get what you pay for.

Experience: 11 days


keeps computer a few degrees cooler
led not very bright
would have been better if the fan was off-white so it absorbed the light from the led, the semi-transparent black blocks more light than it lest through

Experience: 2 Years

Moves lots of air but are somewhat loud


move lots of air
look nice
somewhat loud
I recommend this

Experience: 2 Days

you get what you paid for


high rpm
good price
no pmw
yes, you get what you paid for.
a strong fan with high rpm at a low price but with quite the loudness.
2 hours in on idle and it can get irritating for others in the room.
i ended up disabling 1/2 that i bought for the tower.

great if you got a sound system already and not caring for anything else to hear.

installing was quite painful to get the screws to full go through.
the blue led is negligible and easy on the eyes as an exhaust fan.
3 pin so its always rotating at maximum hence even loud at idle.

Experience: 3 Days

works great


works great
works great

Experience: 4 Months

Great Fan Verified OwnerVerified Owner


Nice blue LED.
Decent quality
Pain in the butt to install.
LED is not as bright as I would like, but for the price its good.

Experience: 65 Days

Cheap but Good Quality Verified OwnerVerified Owner


Cheap, reliable
Blue LED
Worth if on sale

Experience: 1 Days

Moves a LOT of air Verified OwnerVerified Owner


Moves a lot of air.
The led color is awesome.
Keeps the case cool and the air moving
Can be a little loud at full speed.
Great fan, that moves a lot of air through your case.
Can be used to replace the heat sinc fan, or as a regular intake/exaust case fan.
It is only loud when it is running at full RPM.

Experience: 2 months


Verry good quiet!
Good for build your pc. Quiet and verry effective. I bought its fans for my computer with a cpu Fx-8350 and a graphics card AMD HD6950. Before my turn was about 70C now only 50C

Experience: 19 Days



Good quality fan

Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Air Flow 1 x 69.7 CFM
Application/Usage Case
Connectors 3-pin TX3
Fan Diameter 1 x 120 mm
Weight (Approximate) 4.09 oz
Fan Bearing Type Sleeve Bearing
Height 1"
Width 4.7"
Depth 4.7"
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-L2R-20AC-GP
     Manufacturer Website Address:
     Product Name: Long Life LED Case Fan
     Product Type: Cooling Fan
     Connectors: 3-pin TX3
     Additional Information:
  • Fan with Blue LED

     Application/Usage: Case
     Green Compliance Certificate/Authority: RoHS
     Green Compliant: Yes
Physical Characteristics  
     Depth: 4.7" (120 mm)
     Fan Diameter: 1 x 120 mm
     Fan Location: Side
     Height: 1" (25 mm)
     Weight (Approximate): 116 g
     Width: 4.7" (120 mm)
Power Description  
     Input Voltage: 12 V DC

NCIX Forum Messages

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Messages about Cooler Master R4-L2R-20AC 120mm Blue LED Case Fan 2000RPM 69CFM 19DBA 3/4 Pin

Were these on sale not long ago for $2.99 each ? (NoSeagate- Jul 21, 13, 6 Replies)
Antec Tricools (JeanClaudeVanDamme- Mar 24, 12, 6 Replies)
69CFM and 19DBA... Really? (Andrew M- Jan 16, 12, 6 Replies)
Zalman case Z9 series? (Metallium30- Sep 26, 11, 1 Replies)
fan controller? (alick_l- Aug 31, 11, 0 Replies)
Fans make strange noise. (Hills- Aug 28, 11, 6 Replies)
2 of these in one header (Raymond_W- Jun 08, 11, 2 Replies)
retro sale price? (zallow- May 24, 11, 3 Replies)
Good replacement for corsair cooling H70 ? (Sébastien_G- Mar 25, 11, 2 Replies)
Thermaltake V3 fit (littlewicky2- Mar 23, 11, 2 Replies)
Taking the LEDS off? (Noodah Man- Jan 10, 11, 3 Replies)
Very loud fan. How can I undervolt it? (dan_s- Jan 09, 11, 12 Replies)
A word of warning for those with the CM690 (-=SiDeWinDeR=-- Dec 01, 10, 4 Replies)
Good Replacement? (Catherine_L- Nov 28, 10, 2 Replies)
3 to 4 pin adapter ? (qewcool- Jun 03, 10, 2 Replies)

Post a New Message  |    All Messages       Browse NCIX Forums

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

Submit a review link   |   Latest 30 reviews

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.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages (excluding laptops and notebooks), from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

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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