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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
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Learn more about the Cooler Master RL-S12V-24PK-R1

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Customer Reviews of the Cooler Master RL-S12V-24PK-R1

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  • mark c.
  • 12/16/2014 4:34:07 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggscan fit in almost any case

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Cools really well, have it on an FX8350. Never a temp problem, about 54C running prime95. I'm not sure how much the 2 fans add, the single fan version probably works pretty well too. Hey, I should bench mark that for temps.... Weekend project....

Cons: the double fan can be tricky to fit into your case based on clearance to motherboard, etc. But like mentioned above, the single fan variant probably works pretty well. the extra fan is probably overkill for most applications.

Did you find this review helpful? Yes No

  • Eric C.
  • 12/5/2014 5:11:30 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsFaulty Bearings

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Keeps the cpu very cool

Cons: Begins to get very loud under heavy load
Came with faulty bearings

Other Thoughts: Spent time and money replacing fans only to finally figure out what the sound was on a youtube video.

Manufacturer Response:

Dear Valued Customer,

We apologize for the trouble that you are experiencing with the Seidon 120XL. The Seidon 120XL does come with a 2 year warranty.

Please contact us so that we can get you a replacement.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

Did you find this review helpful? Yes No

  • Eric T.
  • 9/21/2014 9:19:59 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsA nightmare

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: This Cooler look nice. The two fans conception is really smart and powerfull.

Cons: After 3 months The liquid cooler start to make sound and the pump stop and start stop .... etc..

And today the pump jammed and my computer stopped to work because now the temp is at 90 celcius...

Dont buy that go with Corsair H80i in place ... it's much better maybe 20$ more but without all the nighmare

Manufacturer Response:

Hello Eric T,

We apologize for the trouble that you are experiencing with the Seidon 120XL. The Seidon 120XL comes 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

  • alvin c.
  • 9/15/2014 4:14:05 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsGood if the pump works

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Good CPU temps, silent, price.

Cons: In less than a year pump died an almost burn my CPU

Other Thoughts: Now I have to wait for RMA with my computer of, this is my first and last water cooling. Unfortunately I won’t get my money back

Manufacturer Response:

Hello Alvin c,

We apologize for the trouble that you are experiencing with the Seidon 120XL. The Seidon 120XL 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

  • Anonymous
  • 8/2/2014 4:49:41 PM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat cooler

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: super eficient cooler my cpu fx-8320 stay cool when im playing

Cons: The instruccions is a little complicate to understand

Did you find this review helpful? Yes No

  • Eric M.
  • 8/2/2014 11:25:19 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDied in less than 2 months

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Perfect when the pump was working correctly, silent at low RPM

Cons: The pump started to do some clicking nose in less than 2 months of use
Bad instructions manual
Mounting hole are easy to strip

Other Thoughts: I don't even want a replacement unit, I just want my money back. The fact that I will have to pay to RMA this makes me sick. I wasted 80$+ on this, I would not recommend this to anybody.

Manufacturer Response:

Hello Eric M,

We apologize for the trouble that you are experiencing with Seidon 120XL. Please contact us so that we can resolve the issue.

Phone: 888-624-5099

Respectfully,
Patrick
CMUSA Support

Did you find this review helpful? Yes No

  • Gary H.
  • 7/23/2014 2:37:08 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

4 out of 5 eggs

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Decent cooling
not excessively loud, even under load
comes with decent y adapter for the two fans to use a single fan header

Cons: very soft metal is easily stripped by the screws that come with it when installing
some what stiff tubes
very thick radiator makes it hard to install in even a full size case (at least for me) and still have good airflow over the mosfets and northbridge.

Other Thoughts: This watercooler came with my FX-9590 and had I know how iffy it was, I would have gone with the FX-9590 that's just the cpu and gone with an H100i (which I'm getting tomorrow).

I hope I can fit this cooler into my old computer case to replace the air cooler in it and put the air cooler in it in another computer over it's stock cooler.

I do know that I won't be able to fit it in push/pull though. The radiator is just too thick.

Did you find this review helpful? Yes No

  • Anonymous
  • 7/15/2014 8:56:40 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsawesome great for price

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: I have to say. Keeps system way cooler than a stock fan and quieter. My whole room temp seems cooler as we'll. small and compact

Cons: Hoses not very flexable. Instructions not very clear. Suggest you watch a video

Did you find this review helpful? Yes No

  • Patrick C.
  • 7/1/2014 11:41:27 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsvery good cooling

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: I used all the memory sockets available of my motherboard.
Cooling is good in turbo mode (cpu overclock)
I use an AMD socket AM3. Sound noise is acceptable

Cons: I almost destroyed my computer during installation.
But it is also because the space was limited in my computer case and my "AMD" motherboard was not quite suitable for this installation.

Other Thoughts: Maybe the screws could be stronger.

Did you find this review helpful? Yes No

  • Eric M.
  • 6/30/2014 7:09:12 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat cooler

This review is from: Cooler Master Seidon 120XL – Push-Pull CPU Liquid Water Cooling System with 120mm Radiator and 2 Fans

Pros: Good price
Silent when running at low RPM
PWM capable with the Y adapter
Fit perfectly in a Cooler Master N600 Case
Relatively easy to mount

Cons: Instructions were terrible. It seems to be a trend with Coller Master. However, there are a lot of installation videos on Youtube

Did you find this review helpful? Yes No

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Cooler Master > 
Item#: N82E16835103195
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