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Item#: N82E16835103100

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

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

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the Cooler Master GeminII S524 (RR-G524-18PK-R2)

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  • Stephen C.
  • 2/25/2015 6:10:17 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsLove 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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  • Brian M.
  • 10/26/2014 2:47:55 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsNice 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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  • Jeffery F.
  • 10/20/2014 11:07:38 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsProbably 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.

1 out of 1 people found this review helpful. Did you? Yes No

  • Joel A.
  • 9/4/2014 6:00:03 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsCheap 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.

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

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  • EDWARD G.
  • 3/25/2014 8:17:04 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsQuiet & 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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  • Andrew R.
  • 3/20/2014 12:06:42 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsOverall 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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  • logan b.
  • 3/12/2014 4:00:20 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsgreat product

Pros: Keeps 5800k APU very cool and if you know anything about the 5800k it runs very hot in the 60's sometimes.This heatsink and fan kept it in the low 40's even under load.

Cons: It is a little bit big

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  • Marc R.
  • 3/5/2014 2:38:16 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorks well, but is huge

Pros: Keeps my overclocked 4770K cool and is very quiet.

Cons: It is huge, which may block slots depending on your MB and/or case. It blocks a PCI x-16 in my ASUS Maximus Hero.

Other Thoughts: As a CPU cooler it performs its functions flawlessly. My main qualm is that if I can't use a second video card for SLI, since this CPU cooler blocks the closest PCI x-16 slot in my Maximus Hero VI (in a Corsair 500R Carbide case) I currently have no plans for an SLI setup, but if I ever go that route I will have to replace the Cooler Master GeminII S524with a smaller CPU cooler.

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  • Michael F.
  • 2/28/2014 6:43:19 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsRunning Cold

Pros: This thing keeps your CPU seriously cold. The fan it comes with is nice due to it's "wavey-ness", so it catches little dust. The option to put a bigger fan on is nice too. My cpu never goes over 45c with intense use.

Cons: It's huge! Make sure you have a case with sufficient space, because you'll need it! Must have a 4 pin connection on your MOBO, otherwise the fan controller with freak out and may give you an error saying the fan is not working..... If you can even boot, since most BIOS's have CPU prevention when it doesn't detect the fan.

Other Thoughts: Due to it's bulkiness it's kind of hard to mount the motherboard since you have to put this heatsink on first. Also, if you're ram is in the right spot you can place the overhang right over it (if you're sticks aren't protruding to far. e.g. heatsinks on the top of them) & cool them as well.

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  • Robin P.
  • 2/24/2014 4:45:59 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Cooler!!

Pros: SUPER quiet, well made, fantastic unit. Clears my RAM modules perfectly! Look great and comes with excellent hardware and heatsink thermal compound.

Cons: None at all!

Other Thoughts: Installed in a gaming-ready computer running an AMD FX-8320 Vishera 3.5GHz 8 Core Processor. Dropped my temps from the 40's & 50's to the mid to low 30's (normal surfing, spreadsheet, powerpoint, light gaming, etc. use.).

Will buy again for sure!

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Item#: N82E16835103100
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