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Cooler Master > 
Item#: N82E16835103029

COOLER MASTER RL-EUL-GBU1-GP Liquid Cooler supports Intel and AMD

  • 800 - 2500 RPM 92.8CFM (max)
  • Fan Dim. 120 x 120 x 25.4mm
  • Fan Noise 20 dBA (Min)
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Learn more about the Cooler Master RL-EUL-GBU1-GP

General

Brand
COOLER MASTER
Model
RL-EUL-GBU1-GP
Type
Liquid Cooling System

Block

Block Compatibility
Intel LGA775
AMD Socket (754 / 939 / 940 / AM2)
Block Material
Copper

Pump

Pump Bearing
Ceramic
Pump Noise
21 dBA

Fan

Fan Dim.
120 x 120 x 25.4mm
Fan RPM
800 - 2500 RPM
Fan Air Flow
92.8CFM (max)
Fan Noise
20 dBA (Min)

Tube

Tube Dim.
3/8"
Tube Material
Aluminum

Features

Features
1. Universal design for Intel Core 2 Quad, Core 2 Extreme, Core 2 Duo and AMD Athlon 64 X2 Dual-Core, AMD Athlon 64 FX
2. Superior cooling performance
Large aluminum radiator with LED 120 mm fan
Copper water block for excellent heat transfer
Powerful pump integrates into water block
Quiet and powerful ceramics bearing pump
3. Clear and durable Tube
4. Flexible Installation decrease interference
5. User friendly design
Special pre-fill liquid cooling system
Refills coolant easily
6. Intelligent fan controller
7. Silent Operation at only 20 dBA

Quick Info


Customer Reviews of the Cooler Master RL-EUL-GBU1-GP

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  • Benjamin N.
  • 1/14/2012 9:04:52 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day

4 out of 5 eggsWorks great!

Pros: Contains everything you need for a water cooler, no need to piece together a kit!
Works on a phenom II X4!

Cons: Refilling after air bubbles form can be a little tricky. When you get air in their (and you eventually will due to evaporation), you need to fill it back up. Requires taking it out of the case to avoid spilling water all over your expensive components.

Other Thoughts: Works great on my quad core AMD! Now, the not so good...Getting all the air out seems to be impossible, and will cause issues if your pump is the highest point in the system. Mine worked great when laying down, but after standing the case up the pump was in an air bubble. You'll be able to tell if that happens cause it will make a hell of a racket. Try filling it up more or moving the reservoir higher if possible.

I got this second-hand for free, so I had nothing to lose, but this cooler has out performed my expectations! I know I could've seen similar results with a $60 air cooler these days, but I'm perfectly happy with the performance! BTW, I do not overclock. Never have, probably never will.

Did you find this review helpful? Yes No

  • James L.
  • 6/14/2008 7:06:21 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

2 out of 5 eggsNot so good

Pros: Water ??

Cons: My stock air cooling worked better i tried 3 diff types of thermal compound and reseating it alot of times this thing just up and sucks.

0 out of 2 people found this review helpful. Did you? Yes No

  • Anonymous
  • 6/12/2008 2:03:08 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggseveryone should have one.

Pros: WOW COOLS MY q6600 OVERCLOCKED to 3.6ghz like a champ!!! dont listen to the whiners on here they probably installed it wrong, put to much thermal paste, and or its not seated all the way. This thing works! changed out the BLUE LED fan for a non LED fan because the blue didnt match the green neons.

Cons: none at all! INSTALL was EASY FAST and i just bolted it on and went!

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

  • Andres H.
  • 5/14/2008 12:49:02 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsGood Results, Difficult Installation

Coming Soon!

Pros: First off, this cooler works great. I'm getting a solid 30C at idle with an E8400 @ 3.0GHz. Under Prime95 torture test I'm getting 40C max under load! Even in games like Crysis my temps rarely go past 35C. This cooler works great, I don't know what other people are talking about.

I also have really good air-flow in my case (3 x 120mm fans), and I used OCZ Freeze thermal paste, so that might have helped. I haven't overclocked yet, but with 40C under stress I think I'm good with the Aquagate S1.

It also looks great, has a bright blue LED on the radiator, fairly quiet (no more than hi-speed 120mm fan), blue liquid. All-in-all a sexy package.

Cons: I will be honest, the installation was a major hassle. You need a *HUGE* case if you want to fit this in there. I've got a Coolermaster Stacker 830 SE and its was hard as hell to fit it all in there. The fan door won't fit w/ the S1 installed. This is pretty annoying since both products are made by Coolermaster. Even so, the cooler works good enough that I don't think I need the fan door anyway. Looks better without it (check the video).

One other major issue is how the tubing conflicts with the motherboard. I've got a EVGA 780i mainboard and it was really tough to get it fit correctly. The nozzle from the radiator is slightly touching the northbridge fan (due to the large heatsink on the motherboard). Plus, the tubing from the cpu block is blocked by the RAM so you have to angle it just right so it doesn't touch anything. I still got it to fit, but you need some room to work with this thing. Make sure you have a spacious case!

Also, the blue liquid doesn't glow.

Other Thoughts: At first I was almost ready to return this thing after a troubled installation, but after I got it working I'm pretty happy with it. It matches well with the Stacker 830 SE (even if the fan door doesn't fit) and my temps are generally in the low 30's and thats pretty good.

You can probably get better performance from a high-end air cooler like the Ultra-120 Extreme or Tuniq Tower. Although the Aquagate S1 costs about the same as those air coolers, it still needs to be refilled (after 6 months) and an air-cooler could be fine for years unattended. Even so, the S1 is a decent introduction to water cooling and probably the cheapest water-cooling kit on the market.

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

  • Anonymous
  • 5/2/2008 5:10:47 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggswater coolest!

Pros: works! keeps my 5000+ be oced at 3.2 stable, idles at 26-30c
full load at about 53-55c.

Cons: was a pain to install, having to pull everything out, waterblock dont cover the whole cpu, made me
nervous coolent doesnt glow! (lol)it shouldve came with more coolent

Other Thoughts: first water adventure,but not a bad, i needed it due to living in a hot attic, already burned one 5000+ cpu, my zalman fan kept my idle temps lower than the watercool,but couldnt keep my cpu from over heating and crashing.like someone else said, take your time with install. my advice is to go to your bios temp monitor first, before a full windows load, and check your cpu temps,before you burn your cpu with an inproper install. all in all a decent product

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1 out of 5 eggsHorrid

Pros: None

Cons: Runs my q6600 @ stock speeds around 39-43C at Idle! Unacceptable. Overclocked at 3.6GHz it runs around 49-50C at idle. When running Prime95 4-thread torture test, temps skyrocket VERY quickly to 80 degrees, prompting me to quickly stop the test. I could not believe how poor this thing cools so I reinstalled it a second time thinking that maybe the thermal paste was interfering with heat transfer. Nope, that wasn't it. Next as I was reinstalling a second time, I realized to my utter shock that the motherboard had flexed so much from the installation brackets, I thought for sure it did some damage. Ok, some of this maybe my fault because I may have tightened the nuts too much, but at the same time, this thing should include some sort of bottom bracket to keep the motherboard from flexing. Also, the heat block was not machined well at all and had a deep groove on one side and a noticeable dimple around the middle of the block.

Other Thoughts: I'm sticking with my Zalman 9700. Not sure why I bought this piece of junk. I should have read the reviews first (and I don't mean just the reviews here). Pretty much everyone agrees that this thing cools worse than most air coolers and is not recommended for Overclocking at all.

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

  • Brian M.
  • 4/12/2008 12:59:25 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsalsome

Pros: This thing is great coolermaster did a excellent job on this water cooling unit highly recommend it

Cons: none

Other Thoughts: people I've tried alot of coolers fan and water cooling this thing is one of the easy to install you can even mod it if you want just wait for the warrenty to run then mod it if your like me and don't care about wasting money mod it

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

  • Anonymous
  • 3/15/2008 9:47:34 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorks well

Pros: Let me make one thing clear, I bought this item with the intention of modifying the radiator so that it would be located on the outside of my case. With that in mind, and this being my first water cooling experience, the cooler works pretty good. Not as extreme a cooler as I expected, but it keeps my cpu and case about 7-10 degrees C cooler than my old cpu fan. My AMD 6400+ 3.2 dual core idles at around 33C and my case has an 120 mm exaust fan in the rear with an lcd temp reading which never goes above 29C (before it would read 36C+). Over all, I am happy with the cooler.

Cons: Not as good a cooler as expected, but cools better than my old cpu fan. I am not an overclocker but I might of been disappointed if overclocking was my intention. Like I said, I knew what I was buying and for what reason. So I have no actual complaints. Yes the fan is a bit on the noisy side when turned up (which is the only way to maintain a decent cooling), but I am a graphic artist/gamer. Loud fans are expected!

Other Thoughts: I removed the black metal casing from the radiator, which significantly reduced the size of the unit. I then replaced the factory coolant with promochill coolant. Added a flow indicator/meter and shortened the tubes. Drill two holes on the outide of my Sunbeam Transformer case for the tubing. Added a 120mm fan on the opposite side of the radiator for added exaust and used the grill which was on the frontto the back to the added 120mm fan to cover up the exposed fan blades. Also put an exaust fan on the cooling block. Because the radiator is on the outside, I get better cooling (I first installed the radiator as suggested in the inside of my case and my cpu idle temps were in the high 40Cs and my case temps were well above 36C which was much higher then my old cpu fan!). My case has excellent air flow, 2 side intake fans, 1 top exaust fan, 1 front 120mm intake fan and 1 rear 120mm exaust fan. Also an intake fan directly for my vid card and a northbridge fan.

3 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 3/4/2008 6:01:38 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsBetter than what these ppl say!!

Pros: This thing rocks if put together right and not slammed together in 5 minutes. My E2180 is sitting idle at 27c, 45c at load. Oh its clocked at 3.5Ghz(350x10)for a 75% overclock! And this little beauty keeps it cool! Was stable just above stock voltage(1.32v) at 3.2Ghz(8x400Mhz Fsb)

Cons: Nothing, the whiners are ruining ratings on a great product.
If you see bubbles in the tube, don't worry. They won't be there once the pump starts. CM even threw in a syringe to help fill it at a later time if needed. TAKE YOUR TIME WHEN INSTALLING!! MAKE SURE ALL PARTS ARE USED INCLUDING THE SPACEERS! U Can short your system with metal on metal contact, causing it to FRY which happens to most ppl "who fry their cpu's". Also, noise wise its nothing to notice. PPL that have their cases sitting right next to them on their desk, well duh, yeah you can hear it. But if its under a desk you are not gonna notice it.

Other Thoughts: I have built my own water cooling in the past but didn't want to fool with it this time around. This setup has to be centered just right on the middle of the CPU or you will fry or get bad results. I used Artic Ceramique for thermal paste. Why is it ppl like myself and 3 Dee Gamerman who gave this a good review on his site, can have no problems and work fine, but so called High or High Experience ppl have nothing but problems? Don't trust their reviews. BUY THIS IF EASE OF USE IS WHAT YOU WANT!!

14 out of 15 people found this review helpful. Did you? Yes No

4 out of 5 eggsGood Cooling Solution

Pros: Cools your CPU better than most air cooled solutions. Works extremely well if your exterior environmental temps are high, as in the summer, if that is the case then you most definitely need a liquid cooling solution. This will stabilize your CPU temps. Quiet anywhere set from 1-80%. The blue is cool, though I've got so much blue in my case, it's smurfalicious...

Cons: Gets a little noisy anywhere from 80-100%, though for most gamers/OCs nothing more than you're not used to, since you probably have fans going anyway. Block installation requires you remove the motherboard, not good. You lose a fan on your case and the radiator itself is a little big for anyone with a smaller case, could cause you to lose your side window fan if you have one.I have a CM Cosmos so no issue.

Other Thoughts: Used to overclock a Q6600 to 3.2Ghz, nice and stable and no issues to date even under Crysis and other full load testing.

4 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16835103029
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