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Thermalright, Inc. > 
Item#: N82E16835109021

Thermalright U120eXtrem1366RT R-C 120mm Fluid Dynamic CPU Cooler

  • 1600 RPM
  • 63.7CFM

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  • Warranty & Returns
  • Reviews

Learn more about the Thermalright, Inc. U120eXtrem1366RT R-C

Warranty, Returns, And Additional Information

Customer Reviews of the Thermalright, Inc. U120eXtrem1366RT R-C

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  • David B.
  • 12/30/2011 7:08:33 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsBEST CPU HS, except rust

Pros: Can mount in either orientation, cools like a beast, easy to attach / setup

Cons: Both of the supplied mounting bars I received had spots of rust where the nut is welded into the main load bar. This is unacceptable for such a highly rated product.

Other Thoughts: Would have been five stars except for the rust -- I'm honestly shocked. SilentPCReview turned me on to this HSF.

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  • Danette B.
  • 12/4/2011 10:51:50 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAmazing cooling for the price

Pros: Easy to install. profile is excellent, keeps my system extemely cool. Very good cooling system for the price.

Cons: I was using arctic 5 silver which a fairly fluid thermal paste. I was having trouble with the cooler sliding around as I tried to get the plate in place and the screws started.

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

  • Daniel K.
  • 12/2/2011 4:42:31 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice And Cool

Pros: Have two of these installed on my EVGA SR-2 motherboard. Temps haven't risen higher than 38C. Very satisfied with their performance.

Cons: None

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  • michael l.
  • 10/22/2011 4:47:50 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsThis Heatsink is the best when combined with the right paste

Pros: This is by far the best Heatsink on the market if installed correctly. Not Bulky like the DH-14. Can set up push pull on it. Cools 980x 990x to the TEENS at Idle. See Other thoughts

Cons: Wish they would include two 90cfm fans such as the Cooler master Sickle Flow fans. The .37 amp version which is hard to find anymore.

Other Thoughts: Here is is people. This Heatsinks surface is slightly convex and very flat. WIth the exception of the microridges its perfect for center pressure and blows any other Heatsink away in CPU contact. However, putting TOO MUCH Paste or Stiff Pastes on ruins the effectiveness of this Cooler. The best Paste to use with this is MX-3. MX4 is too stiff even though its supposed to be better. Arctic silver 5 works well but is overrated because its silver. I have tested so many of these heatsinks with different thermal pastes my head spins from it! But the bottom line is this..
This Heatsink with MX-3 is the best combination for cooling. If you have the patience and want the best results, Lap the bottom of this SLIGHTLY, DO NOT Go through the nickle plating! Just enough to take the microridges down a bit using 2000 grit wet paper taped to a mirror or glass. When you apply the MX-3 paste use literally the size of half a pea. You can also use the #5 dice method if you use very little in each spot

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5 out of 5 eggsBeautiful cooler

Pros: Thermalright knows what they're doing. They don't put fancy copyright information on the packaging, they'd rather let the product speak for itself. And it does - everything about these fans is quality - even the box it comes in! From the case sticker, to the solid metal base plate (with adjustable screws to fit your CPU!!!) to the quality of the heatsink, and everything in between. Setup was incredibly easy - even the mounting brackets and everything fit perfectly into place. Got the temps inside my case to drop considerably. I researched high and low for a CPU cooler this good, and there's nothing that even remotely comes close. The fans are incredibly solid and very well constructed, and they spin really quietly.

Cons: The clips holding the fan are a bit cheap. Pressure adjuster can be a bit difficult to get to without the proper tools in a tight case. But other than that there really aren't any.

Other Thoughts: The rest of the build:

Corsair Graphite 600T case
Corsair TX 750 Power Supply
Asus P6T Motherboard
Intel Core i7-920
12GB Corsair XMS2 RAM 1333MHz
Western Digital Caviar Blue 320GB HD
Western Digital Caviar Green 1TB HD
Samsung Spinpoint F1 HD
Plextor B940SA Blu-Ray Burner
Vizio 42" HD Monitor

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  • Anonymous
  • 8/13/2011 10:50:52 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood CPU cooler cools i7 990X

Pros: With room temp at 30C, the heatsink holds my Intel i7 990X to 30C (CPUTIN in "CPUID Hardware Monitor") when all 6 cores are at 0% load. Running "Prime95" to keep all cores at 100% pushes the CPUTIN temp to between 69C and 77C. (All 6 cores fluctuate between 57C and 67C over time.) "Core Temp 0.99.8" verifies the 6 core temps. Asus "PC Probe 2" agrees with the CPUIN temps.

Cons: It's difficult to attach the spring loaded screws to the cross piece (called the "Mounting Plate") that holds the heatsink onto the CPU. I had to use a pair of pliers (in my bare hands) to slightly bend (a few mm) the Mounting Plate. This allowed the screws to grab and tightening them was then easy.

The fact that the 6 cores differ by around 5C at any time may mean that the bottom of the heatsink is not perfectly flat.

Don't bother going to the Thermalright website to check for "Important" updates for the installation instructions.

Other Thoughts: The heatsink easily fits my Asus P6X58D Premium board. There is no problem clearing the RAM when the fan is mounted on the opposite side from the RAM sockets.

The top of the heat sink has about .5" clearance inside my CalPC tower (7.5" wide) case.

I have replaced the 1600rpm stock 120mmX25mm fan with a 2000rpm Cooler Master 120mmX25mm fan. I have two 120mmX25mm Delta fans (3400rpm and 4000rpm) on order and intend to try them out. If I can work out a secure way to hold a second fan in place, I may try a push pull configuration.

I leave my case cover off because I don't have any working case fans. (I have two Delta 92mm fans on order.)

Don't forget to remove the clear plastic cover from the bottom of the heatsink before installation, and of course mount the back plate before putting the motherboard in your case.

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

  • Anonymous
  • 7/25/2011 6:24:45 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsWorks very well

Pros: Nice, simple, mount mechanism. Quiet, great performance, simple clip-on fan attachment. Good value.

Cons: BIG, can run into RAM slots or potentially hit MB heat sinks or other elements. Removing the fan can difficult once heat sink is in place.

Other Thoughts: Overall this heat sink has performed quite well on my i7 960 keeping temps will under 30C at idle and 50C under prolonged heavy load. The fan, which turns at 1,600 RPM constantly (in my setup) is very quiet and almost unnoticeable in my large case.

Unlike many other coolers, this clears the components on my Asus motherboard and fits very tightly to the CPU. Even without Arctic Silver thermal paste, this unit performs well. When compared to a Noctua NH-U12DX, it is vastly superior.

The fan leads are rather cheap looking wire that's not wrapped, but technically it works. I added braided material over the fan wires with heat shrink tubing (as should have been done in the first place) for a cleaner, more professional, look.

Assuming you have room for this monster, this is a great cooler.

Asus Rampage III Formula
Intel i7 960 @ 3.20Ghz
Corsair Obsidian Series 700D (+5 120mm fans)
G.SKILL Ripjaw 4GB mem

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  • Brad M.
  • 3/3/2011 6:21:43 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Cooler

Pros: As good as or better than other air cooling solutions.

Cons: Height will limit use in narrow cases.

Other Thoughts: An outstanding cooler. Works extremely well with the provided fan but adding another for a push-pull config works even better. Only much more costly liquid coolers can beat this.

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  • Tyler H.
  • 3/1/2011 9:41:07 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Wow this thing is amazing. I can rest my hand on the heatsink without it burning. That's with it ideling though but still.

My processor hovers right around 30C while ideling and about 37C - 40C when gaming. I also used Arctic Silver 5 though.

Cons: The way you attach it to your motherboard is very tricky. When I was installing the spring loaded screws, I had to have a friend hold down the heatsink on top of my processor while I pushed as hard as I could to get the screws to reach the thread hole. I felt like I was going to break something. It was very nerve racking; If I was Thermalright I'd supply just slightly longer screws. Seriously, a centimeter or 2 more would make it WAY easier.

Other Thoughts: For the love, do not underestimate the size of this thing! I have an ASUS P6X58D Premium and this thing only just fits. Make sure you measure your motherboard to make sure this thing will fit. Also, it's very tall so check the width of your case too.

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  • Kevin T.
  • 2/28/2011 7:14:45 AM
  • Tech Level: Somewhat Low
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggs

Pros: Very good mount on 1366 socket.
Fan mount is easy to install.
Cools just as good as my water cooling system.
Good value for the price.
Keeps good control of temperatures under full load.

Cons: Fan is a 3 pin plugin, I switched to a 4 pin fan.
Tall and the bottom surface is not perfectly smooth.
Depending on the direction this mounted one memory dimm can be blocked.
I have the fan sucking not pushing so the dimm would not be blocked.

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Item#: N82E16835109021
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