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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.
IronEgg
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.
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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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  • Anonymous
  • 5/29/2015 10:12:51 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsdoesn't work

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

Pros: None

Cons: It doesn't work. I bought this to replace my old CPU fan and this runs hotter than the stock fan (AMD 8320 CPU). I only gave this one egg because I couldn't give it zero. Ideally, I would be able to give it negative five eggs, but that's just not the world we live in.

Did you find this review helpful? Yes No

  • Nicholas P.
  • 5/25/2015 2:41:53 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 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: It does exactly what it advertises. I am running a i7 4790k and when I stress tested the temps before i put this cooler on I would run at about 107 c at 80% capacity of my processor and I didn't dare push it more than that. After I put this cooler on my temps are at about 50c-60c at 100% load. I ran these stress tests for about 3 hours and nothing really changed. Overall I am really impressed with how it performed.

Cons: It is a bit clunky to put on because it is made with all the hardware to attach to a wide variety if motherboards. It wasn't bad enough to be too concerned about.

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  • Louis C.
  • 5/23/2015 1:38:53 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsNICE, Quality, but Noisy

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

Pros: Really cool for the price. can OC my CPU fx 8320 at 4,5 GHz.

Cons: Noisy

Other Thoughts: Hard to record a clear sound with this noisy pump.

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  • Warren M.
  • 5/16/2015 3:34:08 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery good system

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

Pros: Relatively easy to install, although had to remove motherboard from case. Not a problem for me, but inexperienced people could struggle.
Quiet and it works.

Cons: Had to remove motherboard for install. Not a big deal for me, but could be for other people.

Other Thoughts: I read reviews before I bought it that stated it was loud, but I have not found this to be the case. The 120mm fan that is included is no more noisy than any other fan I've owned.
I had a lot of problems with my CPU over heating, this solved the problem and I could not be happier.

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

  • Scott W.
  • 5/14/2015 1:03:18 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsCooler Master Pump/Fan

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

Pros: Very quiet fan and pump. So far works great

Cons: Need to be careful installing the fan/radiator part not to over tighten, Plastic can strip easy.

Other Thoughts: Good pump and fan for the price. It had a rebate which I hate all rebate processes. Using it on a I7 4790 cpu.

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  • Ranjan K.
  • 5/11/2015 10:09:14 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGreat Value

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

Pros: Works great for what it is intended for. Just a second fan for push-pull like the Nepton, then it will be amazing. Great price at Egg.

Cons: Wish it came with a second fan.

Other Thoughts: You get what you pay for, not the best, but not the cheapest.

Did you find this review helpful? Yes No

  • Jeff G.
  • 5/11/2015 10:23:42 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggszero customer support

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

Pros: Couldn't give it a zero star

Cons: After only 8 months, the pump died. The blue LED is no use.
Temps went from 35 C to 72 C and system crash.

The bad part is getting customer support. If you try to call the 1888 number you get a voice bot telling you their official office hours. Great. How about someone answering the phones?

I repeatedly called during official hours - for four hours.

Their website also has no other way to access customer support.

So here I am, with a dead cooler and no customer support.

Manufacturer Response:

Hello Jeff G,

We apologize for the trouble you are experiencing with the Seidon 120v. Please note that the office hours are pacific standard time and please make sure that you are pressing 2 for customer support. You are also able to contact us through CM Fanzone by either submitting a ticket or by clicking the live chat buttion after logging in to the wesite.

The Seidon 120v does have a 2 year warranty so please log into CM Fanzone to submit an RMA.

Please contact us if you need any furthe assistance.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

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

  • Rusty P.
  • 5/8/2015 8:59:18 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsHappy with Product NOT with Rebate

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

Pros: This cooler has dropped my CPU temps from 55 - 60 C with the stock cooler down to 48 - 50 C. I haven't had any issues with the cooler, and was rather surprised by the performance given that it is a single fan setup and supposedly not one of the more efficient coolers.

Cons: I bought this item when there was a rebate offer. I submitted the rebate forms 6 weeks ago and still have not received my rebate. I even filled out the online form that was supposed to expedite the rebate process. As far as I can tell the online form did nothing to speed up the process and only served Cooler Master by saving them time and money. I contacted Cooler Master customer support to find out what was going on with the rebate, and was told it could take up to 8 - 12 weeks, when the online form indicated that it would reduce the time to (if I recall correctly) 2 weeks to be mailed; rebate received within 4 weeks.

Other Thoughts: Great product, but loses an egg for poor rebate turn-over time, despite claims that online processing would expedite the process.

Did you find this review helpful? Yes No

  • Anonymous
  • 5/8/2015 6:19:45 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsCool running

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

Pros: Harder to install than other brands does not cool the cpu well out of the box but after tweaking settings it cools but at only a slightly cooler temp than high end fans.

Cons: Takes a little disassembly to install. I had to remove my Mobo to install the back plate.

Other Thoughts: It does keep my AMD cool while playing B4 and COD AW. So it does do a better job than the 40.00 fan I had before.0

Did you find this review helpful? Yes No

  • Joshua T.
  • 5/4/2015 7:35:45 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsScrew Stripped

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

Pros: Not happy with this product

Cons: I had to cut this out of my case after the plastic piece broke and screw striped out. After that I wasn't very happy.

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

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Fans & PC Cooling > 
Water / Liquid Cooling > 
Cooler Master > 
Item#: N82E16835103195
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