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Cooler Master GeminII S524 - CPU Cooler with Aluminum Fins and 5 Heatpipes

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  • 800 - 1800 RPM (PWM) ± 10%
  • 34.2 - 77.7 CFM ± 10%
  • Copper Base / 5 Heat Pipes / Aluminum Fins

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

GeminII S524 features a larger heat sink for improved cooling performance, and increased memory module clearance to support high end memory modules featuring large heat sinks of their own. It comes equipped with a modular 120mm fan with an ideal noise performance ratio throughout its supported range of rpm. It can be upgraded to a 140mm fan to further boost its cooling performance or opt for a super low noise, low rpm fan.

  • newegg Balance Cooling Down draft air flow helps to cool CPU and surrounding components for a general reduction in temperature inside your computer case.
  • newegg Higher Ground Clearance GeminII S524 incorporates up to 47mm ground clearance to support high end memory modules.
  • newegg Electroplated Copper Base Five 6mm heatpipes with electroplated copper base provide excellent conduction for superior heat dissipation.
  • newegg 12cm Fan Included and 14cm Fan Compatible GeminII S524 comes equipped with a 12cm PWM fan providing versatile performance for full loading efficiency and for quiet idling. For flexibility, the 12cm fan can be replaced with a 14cm fan for upgraded cooling.

Learn more about the Cooler Master GeminII S524 (RR-G524-18PK-R2)

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
Awesome cooler!

Pros: Fits in several configurations
nice and quiet
keeps my OC 8 core cold

Cons: it is a bit larger than expected

Other Thoughts: I love this thing so much I bought two of them, enough said.

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Ownership: more than 1 year
Verified Owner
5/ 5
AMD Phenom II X4

Pros: Works as advertised for almost 4 years. Quiet and reliable.

Cons: If you change out ram on slot 1-2 with my msi, you need to pull it back.

Other Thoughts: Temps run under 95F @ 1200 RPM.

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Ownership: more than 1 year
Verified Owner
5/ 5
Love This Cooler

Pros: Great fan/cooler. I actually purchased 4 of S524 for current builds and 1 future. I update the fan from 12cm to 14cm and stayed with the PWM 4 pin solution. The installed 12cm fan (Cooler Master) is rated for 40K but the sleeve designed bearings have had much shorter life. There are fans now rated to 300K available and are super quite.

Cons: None

Other Thoughts: Excellent ground clearance to support high end memory modules. (47mm). Low height to fit in the tightest of cases, The taller coolers will not fit but a few of the larger towers and mid-tower cases.

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Ownership: more than 1 year
Verified Owner
5/ 5
Nice Cooler

Pros: Nice cooler, not as great now since others have came out but for low profile this was a very nice CPU Cooler to have. Fan is a touch "loud" but thats compared to companies adding better bearings over the years in their fans.

Cons: None , Nice Product.

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Ownership: more than 1 year
Verified Owner
4/ 5
Probably not great for horizontal installs

Pros: Solid and effective heat sink/radiator
Fit in my cramped Micro ATX case

Cons: Had to remove MB to install....but it is very solid, so not really a con for me.

Included 120mm fan has a sleeve bearing that siezed up about a year after installed. I had been concerned about this because my MB lays flat at the bottom of my case, resulting in a horizontal install of this cooler. I had heard that sleeve bearings don't do well in horizontal mountings....and that is apparently true because the fan siezed up so hard I can barely turn it with my fingers.

Other Thoughts: Replaced the included fan w/ a Cooler Mater Jetflo 120 fan (w/ POM bearings)....which are supposed to do well in horizontal settings.

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Ownership: more than 1 year
Verified Owner
1/ 5
Cheap Fans

Pros: The Heatsink works quite well, even managed to keep my processor from frying after the fan failed.

Cons: Cheap, light-weight fans. I had the unit for about 18 months, 6 months left on the warranty. The fan seized-up completely. Cooler Master approved a replacement but never sent it.

Other Thoughts: If you get lucky you may not need to deal with Cooler Mater customer service, but if you do, you likely wont get much service.

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Manufacturer Response:
Hello Joel A,

We apologize for the trouble that you are experiencing with the GeminII S524 and your part request.Please contact me directly so that I can resolve this issue immediately.

Phone: 888-624-5099 Ext: 160

Respectfully,
Patrick
CMUSA Support
Ownership: more than 1 year
Verified Owner
5/ 5
Quiet & Cool

Pros: Well constructed and sturdy. I used this in a 4u rack mount with a ATX mother board and AMD 8 core processor. I have a graphics card in this system for video processing. With just two 80mm case fans input, two 60 mm fans and PSU as exit fans, the S524 is blowing down on the MB and processor. The temps are staying in the high 20c to low 30c with normal use and upper 30's to very low 40's Celsius when under a load. I like this a lot as the case is only 12" deep. The heat sink allows normal memory in all slots. I would use memory that does NOT have extra heat spreaders to assure an easy install. In this tight case I put a fan screen which was easily mounted to the surface with fan screws.

Cons: I can not think of any as this fan fits my needs for maximum cooling and quiet operation.

Other Thoughts: I am very happy that I bought this fan. It is not flimsy like many that you see. It also has a flat finished surface to apply heat sink compound.

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Ownership: more than 1 year
Verified Owner
5/ 5
Overall Great Cooler

Pros: Great Heatsink and Fan. CPU does not get above 40 and it also doubles as a memory cooler since it is directly above the RAM. Awesome!

Cons: After a couple years of use, the fan makes noises, not a very loud noise, but it does get annoying. Going to see if CM will replace it.

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