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NZXT > 
Item#: N82E16835146041

NZXT Kraken X41 RL-KRX41-01 140mm All-In-One Water / Liquid CPU Cooling Solution

  • 800 - 2000 PRM ± 10% 42.4 - 106.1 CFM
  • Radiator Dim. 140 x 172.5 x 36mm
  • Fan Dim. 140 x 140 x 25mm
  • Fan Noise 20 - 37 dBA
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Learn more about the NZXT RL-KRX41-01

General

Brand
NZXT
Model
RL-KRX41-01
Type
Liquid Cooling System

Block

Block Compatibility
INTEL SOCKET 1150, 1155, 1156, 1366, 2011,
2011-3

AMD SOCKET AM2, AM2+, AM3, AM3+, FM1
FX / Phenom / Phenom II / Athlon / Athlon II / Sempron / A-Series APU
Block Material
Copper

Radiator

Radiator Dim.
140 x 172.5 x 36mm
Radiator Material
Aluminum

Fan

Fan Dim.
140 x 140 x 25mm
Fan RPM
800 - 2000 PRM ± 10%
Fan Air Flow
42.4 - 106.1 CFM
Fan Noise
20 - 37 dBA
Fan Connector
4 Pin

Tube

Tube Dim.
400mm
Tube Material
Ultra-low Evaporation Rubber

Quick Info

Warranty

  • Limited Warranty period (parts): 6 years
  • Limited Warranty period (labor): 6 years


Customer Reviews of the NZXT RL-KRX41-01

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  • frank g.
  • 12/12/2014 7:12:10 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsAdustable LED colors

Pros: Overall, the cooling is about 5 degree's centigrade cooler than the stock fan when the CPU is overclocked and the demands are taxing . It does this with fewer decibles in noise but for liquid cooling this is anticipated. The best part is the LED feature thats allows you to change "colors" of the light. If you're into color matching rigs,. this is it.

Cons: The 140mm size takes up two 120mm fan spaces.

Other Thoughts: Aesthetically, it's the best looking unit around but I wish the fans were traditional black in color rather than white.

Did you find this review helpful? Yes No

  • Lukas C.
  • 10/10/2014 3:59:14 PM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

5 out of 5 eggsYAY!

Pros: IT COOLS!

Cons: I don't know, I don't care!

Other Thoughts: I had a H100i that had some sort of issue, because I was only seeing a max of 5C difference from the stock fan in both idle and max load temps. So far, the x41 has been beating that by another 5 degrees! Woo-hoo! I've still got to run this through its paces, but I'm happy. I also like that I can change the LED color and everything easily with CAM

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

  • Timothy J.
  • 10/5/2014 10:00:20 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNice Cooling, Not Silent.

Pros: Great at cooling, assuming the thermal compound is decent. I did not replace it with Arctic as NZXT seems to have their stuff together.
When the unit is running high RPM to keep my temps down the fan makes noise. Which is fine.
When the PC is not hot and the unit should be dead silent.... the water pump makes a fish pump noise. It is loud enough to hear even when the 6 six feet from the PC. The fan is quiet but the pump clearly doesn't like being idle.

Cons: Software doesn't read temps or RPMs well or accurately. I wouldn't trust it at all. Fish pump noise on water pump when running slow.

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

  • Anonymous
  • 9/22/2014 12:50:19 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Product

Pros: Very quite, keeps CPU cool, light configs for display on pump are a nice feature

Cons: None so far

Other Thoughts: INSTALL THE CAM SOFTWARE, unless you are a pro who doesnt need its features because you use a different program.

Did you find this review helpful? Yes No

  • Bryce K.
  • 9/3/2014 1:50:11 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWhisper quiet

Pros: so quiet, running on a ITX I7 4790k no overclock and you can not even tell my system is on unless your ear is on the back of the box. I could not be more happy. Software is working fine, had to restart the program once or twice but has been stable since. RGB lighting though useless is as my kids say sick or something. Temps on silent mode averaging CPU 34-38C and Fluid about the same. I do not game other than some mild strategy and have never seen a need for the performance mode yet. Just wish they maid a 240mm for my new project.

Cons: none so far other than it took a day for the software to recognize my system, and it did not change fan speed twice, i had to restart the software, but it has been stable since. time will tell but I replace my H100i I just bought as soon a a Kraken 240mm comes out.

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

  • Kaemen J.
  • 7/16/2014 8:18:01 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsBest 140mm CLC right now

Pros: Build: Quality tubing, new fan design, thicker radiator.
Replacing: Stock Haswell cooler
Installation: This was installed into a Fractal Define r4, installation itself is simple enough, but the radiator is actually larger than 140mm. Only two screws could actually be secured on the top left and bottom right sides (luckily) but I had to use longer screws to make it work.
Performance: This cooler brought my temps down 10+c, that's using the stock thermal paste on the cooler in a tight case, very happy.
Look: You can customize the LED to any color you can make with a RGB scale and liquid cooling looks clean.
Software: I personally really like the CAM software. CAM displays all the information you need in a nice looking package will track your liquid temps and will allow for different speed profiles, awesome.

Cons: -You need NZXT profile for CAM
-Price, but in comparison to other CLCs not bad at all.
-Not completely compatible with Define r4

5 out of 5 people found this review helpful. Did you? Yes No

  • Amaru C.
  • 7/10/2014 8:28:41 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month

3 out of 5 eggsKraken x41

Pros: Quite, personalized fan control, variable pump, six year warranty.

Cons: Cam software is alright but the readings I get from the software or way off. 20c off to be exact, I was hopping the software could be my go to spec sheet but it cannot be trusted I still have to use cpu Id and hw monitor. My system was throttling during a overclock tuning session and cam let me down big time with incorrect temps. So the kraken isn't cooling my cpu all that great definitely not a cooler to overclock with. I was able to get to 4.5 1.36 vcore Stable and get a extra 10 frames on battlefield 4 with a 8350 max temp 55c but when I start prime the temps pass 60c and we'll cam reports 40c cpu starts to throttle and disappointment begins.

Other Thoughts: Will reseat cooler but I highly doubt that's the problem. You may just want to stick with air for this price.

0 out of 6 people found this review helpful. Did you? Yes No

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Fans & PC Cooling > 
Water / Liquid Cooling > 
NZXT > 
Item#: N82E16835146041
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