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Item#: N82E16835186091

ARCTIC Alpine 20 Plus CO CPU Cooler - Intel LGA2011, 92mm PWM Fan, 24/7 Operation at 24dBA

  • Superior Performance Over Stock Cooler at only 24 dBA
  • Durable Double Ball-Bearing Operating 24/7/365
  • Spring-Loaded Mounting Screws for Hassle-Free Installation
  • Pre-Applied MX-4 Thermal Compound

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the ARCTIC COOLING UCACO-AP11401-BUA01

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 ARCTIC COOLING UCACO-AP11401-BUA01

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1 out of 5 eggsBadly Engineered

Pros: It's a heat sink and a fan.

Cons: As other reviews have stated, they are not the proper height to make contact with the CPU on LGA2011 boards. The threaded shaft has a recess that is machined at the incorrect height and a retainer holds it in place.

Other Thoughts: If you get stuck in a pinch like I did, there is a way to make this item work. I was doing a 5k+ server build for a client and had no time to RMA the fans for replacements.

Remove the retainers on the bottom of each screw using a flat head, pair of pliers, etc. Take care as the spring will shoot the screw out (I sat it upside down on a desk and held it down).

Once the retainers and screw / spring assembly is removed, place the heat sink against the CPU aligned with the socket mounting holes. Place two screws in holes diagonally adjacent from one another and secure enough to where the heatsink stays in place.

Next, place together a screw, spring and washer and position it in one of the two empty holes. Carefully (I can't stress this enough) apply pressure to make contact with the socket's heatsink mount and screw it down enough to not come loose. MAKE SURE YOU KEEP PRESSURE ON THE HEATSINK. It will shift towards the screw / spring assembly that is tightened, which you do not want.

Repeat the above step with the other empty mounting point. Once you have two screw / spring assemblies secure, remove your placeholder screws, rinse and repeat the above on the last two mounting points.

Can't stress enough, if you're going to do this, to be eternally careful. A slip of your flat head screwdriver could mean trashing any component you hit. If you have the time to wait, send it back and get something quality.

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3 out of 5 eggsNew Install

Pros: Easy Install on my new ASUS Rampage IV Black Edition. Fits easily in my Cool Master Tower.

Cons: Bidirectional air out on motherboard required careful placement on motherboard so as not to cook the RAM. A broad based (360 deg) warm air discharge would be more efficient. Not that efficient.

Other Thoughts: System: Intel i7-4960, 64 G Skill RAM (2400), ASUS Rampage IV Black Edition motherboard, Cool Master tower.
I am researching water coolers now.

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

  • Nathan Z.
  • 2/15/2014 1:10:02 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsPoor Design

Pros: Beefy

Cons: Tried to put this heatsink on my very expensive new server. It was too tall (dimensions not shown on NewEgg). So I had to make do without the fan. I install it per the directions and startup my new $4000 server. Two minutes later I get the overheat light and a sudden shutdown.

I took the heatsink off and found that because of it's design it was hovering just above my CPU without actually touching it. It also put a lot of stress on the socket.

If you remove the retaining clip on the bottom of the screws it can be installed so it works properly, but when you do that it's awkward to install. Once installed in this configuration it is quite effective.

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

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Item#: N82E16835186091
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