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Item#: N82E16835103198

Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

  • Zero maintenance design
  • CM designed pump
  • Thick FEP Tubing
  • Dual JetFlo 140 fans
  • Unique LED glow for logo

BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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BUY WITH CONFIDENCE
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Cooler Master RL-N28L-20PK-R2

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details

Customer Reviews of the Cooler Master RL-N28L-20PK-R2

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  • Gabriel P.
  • 8/21/2015 5:07:47 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat cooler

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: Cool my processor, keeps it at 27 degrees. Does what it suppose to do!

Cons: None

Other Thoughts: Would buy again!

Did you find this review helpful? Yes No

  • Aaron B.
  • 8/18/2015 5:48:19 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsExcellent cooler/Recommend

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: It keeps things cool.
-I'm running an old core i7 950 overclocked to 3.6 Ghz. On my old ZALMAN CNPS9500A 92mm Cooler she idled at 42°C, under 80% load at approximately 65°C (in 3d modeling application MAYA2016) and under full load at 80-90°C for 24 hour burn in test.
-With the Nepton idle is 28°C, 80% is 45° and 100% 1 hour pre-test (thermal compound hasn't set yet) temp peaked at 70°C. (I will do a 24 hour burn in at the end of the week once my thermal compound has thoroughly cycled.)
-My ambient for these tests was 22.2°C. Im using IC Diamond Thermal Grease.
-Maintenance free installation was very easy thanks to well machined/tapped components.
-Pump sound is not noticeable over normal computer noise/other fans in my build.
-The hoses swivel at the pump interface and are very flexible which allows for great cable management.
-The radiator has preset holes for both 140 and 120mm fans which was extremely useful since my case only supports 120mm. I was able to mount it very securely using existing hardware on my mATX Case (NZXT VULCAN).

Cons: -None of there are really cons in my mind because they are all thoroughly explained on the product page. You know what you're buying. They are only listed here to be clear and helpful.
-The hoses are not removable for ease of installation. this system is intended to be installed INSIDE your case not routed in from outside. If you intend on mounting it externally you should be ready and willing to modify your case to allow the pump to be inserted with hoses attached. Removing the hoses voids the warranty (as well it should).
-It is also worth noting that the radiator is longer than the fans at 310mm (fans 280). This is clearly mentioned but need s to be accounted for. there is an extra 15 mm on each end.
-the JetFlo fans it comes with are no joke. At 100% duty they sound like jet engines blasting freedom all over the POW/MIA flag that hangs over my desk. They only got to duty mode when I manually assigned them to 100%. Otherwise they were extremely quiet.

Other Thoughts: This thing is definitely overkill for an i7 950 but I'll be upgrading very soon and figured I'd go ahead and take the leap on this. It was a good choice. I absolutely recommend this cooler for any build that can support it and recommend modifying your case if your build doesn't support it. It beats all other coolers (yes even the H110) by a mile.

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  • annick b.
  • 8/14/2015 6:23:04 AM
  • Tech Level: Average
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggscmaster nepton 280l

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: look good ,led logo easy to install (well fit in yout case )

Cons: dont fit in a cooler master haf 912 case : (

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  • Legend C.
  • 7/14/2015 4:22:50 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsPretty good cooling wise

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: Keeps my 4790K exceptionally cool,

Cons: Doesn't fit very well into my vengence c70 because the spacing of the fans were different than what would normally go there.

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  • Luc B.
  • 7/11/2015 10:33:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWell nothing has lit on fire yet!

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: - Keeping my AMD FX-8350 at no higher than 47 celcius while OC'd.
- Don't know what people are saying with it being a tough install. First time ever putting one in and had it ready to go in under 15 minutes including different Rad fans.
-Quiet. No noticeable noise form pump (using different rad fans though)
- plenty of swivel on pump hose connections to get past stiffness of hoses.
- Great price (when on sale)

Cons: - Would have liked some lower profile screws in addition to the thumbscrews used for mounting the radiator. The thumbscrews don't allow for a flush install of the magnetic screen on the front of my NZXT S340 case.
- Stiff hoses. Swivel ends on the radiator side would have been nice as well.

Other Thoughts: After reading many reviews and comparison tests I ended up buying 2 Phanteks PH-F140MP 140 mm RAD fans due to many complaints of noise regarding this kit. IF noise level is important you may want to take additional fan purchase into account when pricing this model out. With the sale and rebate that was on at the time i ended up (with fans) coming out at below equivalent kit prices. This may not work out for you though.

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  • charles r.
  • 6/19/2015 5:31:45 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Water Cooler

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: I have an AMD 9370. If you have an AMD 9370 or 9590 This cooler is the best. Forget Air. Did A lot of research and this had the best bench mark. When in extreme gaming I can hear the fans kick up speed to compensate for the increase in Heat. Nice Flexible strong tubing. Very Cool....... Literally.

Cons: Instructions Instructions....

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

  • STEVEN B.
  • 6/13/2015 12:46:39 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsNot worth the headache

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: Durable tubing, thick radiator

Cons: Lets start with installation- The tubing while durable, is impossible to work with. I've mounted AIO's before, this was by far the worst one to work with. The instructions are horrible, and the mounting hardware is mediocre at best. The screws they give to attach the fans are absolute garbage. the heads stripped out immediately, and the machined holes on the rad also stripped out. Got it in the case, fine, maybe it will perform good enough to not care...
Wrong---
First off, the pump is loud, and not like water moving loud, its like a high pitched whine that when turned up all the way sounds like a bad case of coil whine. So I turned it down. Then the clicking started. I've done some acrobatic stuff with this case thinking it was air, but the pump is defective and now am in the process of RMA, hopefully cooler master's advanced RMA is better than the installation of this thing.
Back to the pump. the plate is no smooth at all. For other coolers in this price point, Cooler Master could have at least made the base plate smooth. I can get my finger nail in the grooves, thats how deep some of the machine marks are.
The fans are horrible too. they may move a lot of air, but one, they are rounded frames, and I can feel air leaking, and two they are sleeve bearing, and are so loud, I replaced them already.
Cooling performance isn't anything to write home about. In push pull with new fans, a 4790k at 4.6ghz and 1.2 volts averages 40 degrees on idle, and 70 under a load, in a 24 degree environment. Which might not seem bad, but this radiator is thicker than both the x61 and the h110,. and performs about the same if not worse, with aftermarket fans.

Other Thoughts: Just stick with an H110 or a Kraken x61 because for the money, both of those systems are proven, and you get the benefit of a thinner Rad, better fans, and ease of installation.

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  • jessie l.
  • 6/3/2015 9:46:54 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsalmost perfect.

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: keeps my 4790k cold. easy installation

Cons: fans are VERY LOUD even at 50% speed. 100% rpm sounds like its going to blow up.

Other Thoughts: fits in front of my s340 case.

Did you find this review helpful? Yes No

  • Payton H.
  • 5/20/2015 6:58:08 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsKeeps 5820k super cool.

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: This thing keeps my 5820k cold. Easy to install if you know what you are doing.

Cons: Terrible documentation.

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

  • JUSTIN G.
  • 4/15/2015 10:20:47 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsKind of loud

This review is from: Cooler Master Nepton 280L – All-In-One CPU Liquid Water Cooling System with 280mm Radiator and 2 JetFlo Fans

Pros: Cools very well, cores on my i7-5930K at stock speed stay between 24-28C when not gaming or benchmarking.

Cons: The fans for this are loud, very loud. I intend to swap out the fans for a couple Noctua NF-A14 FLX 140mm fans to see if it improves the noise level and cooling capability. Sometimes it makes some odd noises, and I'm not sure if it's the fans or the pump, guess I'll see soon enough.

Other Thoughts: This is my first liquid cooled cpu.

Did you find this review helpful? Yes No

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