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Cooler Master > 
Item#: N82E16835103195

Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

  • 600~2400 RPM (PWM) +/- 10% 19.17 ~ 86.15 CFM +/- 10%
  • Fan Dim. 120 x 120 x 25 mm (4.7" x 4.7" x 1")
  • Fan Noise 19 ~ 40 dBA
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
IronEgg
BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Cooler Master RL-S12V-24PK-R3

Quick Info

Warranty

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


Customer Reviews of the Cooler Master RL-S12V-24PK-R3

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  • David V.
  • 7/26/2015 6:19:50 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsWorked good while it lasted

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: Cooled good while it lasted.

Cons: Failed in 14 months.

Other Thoughts: I have another one of these on my home server that stopped working. I was able to get it going again by tapping on it. I am going to be ordering two brand new coolers to replace this item.

I wouldn't buy this cooler again. I'll be looking outside this company for my next ones. two coolers of the same model junk within about 14-18 months.

Did you find this review helpful? Yes No

  • Ruben C.
  • 7/22/2015 3:35:41 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggscooler master seidon 120v

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: cools when it works

Cons: it only lasted 9 month.

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  • SIMON D.
  • 7/16/2015 6:05:39 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAWESOME!

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: - Works out of the box
- Really silent fan
- I can overclock my i5-3570k 3.4Ghz to 4.2Ghz without getting over 60 degres Celcius
- So happy!!

Cons: - Maybe a bit difficult to do all the job alone.

Other Thoughts: Before that, my CPU gets like 100 degres in a game. Now, it's pretty awesome to don't even gets higher than 60. And for this price, it's a MUST!

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  • Joshua S.
  • 7/15/2015 9:27:35 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsAir Coolers Have Nothing

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: My CPU no longer spikes to over 100°F when doing something as simple as opening Chrome

Running all 4 cores of my CPU at 100% on the most CPU intensive game I own for extended periods of time the hottest it has reached was 78°F, previously it would go over 170

Cons: Installation was a massive pain to get everything to line up when putting the pump on the CPU block

Other Thoughts: I have yet to run any heavy stress tests, but seeing as how running Chrome is ~40° cooler than with my air cooler, I expect a good result

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  • Siyuan L.
  • 7/13/2015 11:41:02 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsThe Pump is Not Silent

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: It is really cheap, and has the features a AIO liquid cooler has. I have no issue about it like other 1 egg reviews had. Maybe because my MB has self protection mechanism.

Cons: The fan is fairly silent, but the pump is not! I can hear the pump like I can hear a air cooler. I can hear it playing games, watching movies.

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

  • Robert P.
  • 7/13/2015 4:42:28 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsWorks, but don't buy if you want to OC

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: Farily easy to install and keeps your CPU cool at stock speed.

Cons: I ended up replacing this Cool Master with the Noctua NH-U14S 140x150x25. The Cool Master just couldn't keep the temperatures cool and the system stable at moderate OCing.

Other Thoughts: I applied Artic Silver multiple times cleaning with Arctic Silver Arcticlean Thermal material Remover & Surface Purifier with the same results every time, terrible temperatures. Don't waste your money if you want to OC your system.

Manufacturer Response:

Dear Valued Customer,

We apologize for the trouble you are experiencing with the Seidon 120v. Please note that the Seidon 120v is an entry level liquid cooler and will not be comparable to a Noctua U14.

I would suggest looking at the Nepton 240M or Nepton 280L if you plan to overclock your CPU.

Please let us know if you have any further questions.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

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  • lance f.
  • 7/12/2015 2:00:11 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks as it should

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: Silent, cool, and does it's job

Cons: Kinda wish the pipes were i'l longer but not enough to deduct an egg.

Other Thoughts: So far i had no problems with this item, and it's been running for almost a year now. Great product to buy for small computer builds that have limited airflow.

Did you find this review helpful? Yes No

  • Dan N.
  • 7/10/2015 5:55:46 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsWorks great for my ITX build

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: Fits very well in my Silverstone SG13 case. I used aftermarket fans and thermal paste, but I was able to get around 67° C max on my i5-4670K at 4.3GHz and 1.275v using the x264 stress test - which is pretty reasonable I think.

Cons: Only glaring con I could find is that one of the screw holes on the radiator stripped extremely easily.

Other Thoughts: To properly fit in the SG13 case, you have to install it with the tube part of the waterblock facing to the bottom of the motherboard. I used Gelid GC-EXTREME thermal paste and two EK Vardar F4-120 fans in push-pull for my fans.

Did you find this review helpful? Yes No

  • Anonymous
  • 7/10/2015 4:34:45 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggs

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: It is quiet overall. The radiator is well built and fan that can push some air (max rpm is loud). I bought this when I recased my work pc and scouped this up on sale for 35 with rebate instead of buying corsair l normally would.

Cons: The mounting bracket is junk. it is flimsy plastic which does not properly fit a 1366 socket which it is claimed to fit. It took 2 hrs of custom engineering to get the bracket to properly seat on both the front and back of motherboard. the reviews stating overheat with this are probably due to back seating on cpu.

1 out of 3 people found this review helpful. Did you? Yes No

  • Anonymous
  • 7/8/2015 10:51:46 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsPump failed after a year

This review is from: Cooler Master Seidon 120V – Compact All-In-One CPU Liquid Water Cooling System with 120mm Radiator and Fan

Pros: While it worked, it was dead silent and worked pretty well. Installation was pretty easy, but the instructions certainly didn't help.

Cons: Bought back in May for a PC I built for someone. The pump recently failed and their PC is no longer usable until they either order a replacement or buy something else.

Manufacturer Response:

Dear Valued Customer,

We apologize for the trouble that you are experiencing with the Seidon 120v. The Seidon 120v does come with a 2 year warranty so please contact us for a replacement.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

Did you find this review helpful? Yes No

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Item#: N82E16835103195
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