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Noctua-nh-u9do.32891606
7.0 out of 10

Noctua NH-U9DO

Best Price at Amazon

Reviews and Problems with Noctua NH-U9DO

Showing 1-10 of 35
Overall 4
4.0

User Review

Troy W., Newegg
22 May 2014
  • Summary: If I was able to use this product I would have rated it accordingly however the low rating is more due to the product listing since I am not able to use the device as intended. Being that I lose over half of what I spent just trying to get it back to new egg, I think I will take my business elsewhere after this more than disappointing purchase.
  • Pros: I was not able to use this heatsink due to the wrong mounting alignment or lack of bracket as noted below however you can tell just by looking at the construction and materials involved that this is a quality heatsink/fan combo. The instructions and supplies included are plentiful and helpful compared to other brands as well.
  • Cons: When purchasing this heatsink/fan combo I hastily ordered the item when i saw it was on sale. In the Product title it is listed as "A3 AMD" and NOT "AM3+". This Item will NOT fit on those boards with the included items. This seemed misleading albeit I should have looked closer on the product spec's page.
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Overall 8
8.0

Noctua

Nolan L., Newegg
26 January 2014
  • Summary: Seems like a high quality product.
  • Pros: Runs quiet and cool. Even without the included noise dampening power links.
  • Cons: I'm not complaining but these monsters are HUGE. There's 2 fans, 1 blowing into the heat sink, and 1 sucking air out. When sitting the fans evenly on the heat sink the fan can get in the way of other components such as RAM chips. However the fan location is adjustable so if I expand RAM later on I can raise the fan up a bit so I can fit it in. It just won't look perfect and could possibly affect cooling slightly.
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Overall 10
10

Best C32 cooler

Anonymous, Newegg
22 January 2014
  • Summary: Inclusion of the tall hex key is thoughtful. Two of these together on a SuperMicro H8DCL means you'll have to only have fans 'pushing' since there will be no room to mount them if you have the heatsinks mounted inline with airflow (front to back of case). If you mount perpendicular to the case airflow, you can fit both fans. In the 4U case I have, there is plenty of airflow anyway and the heatsinks work great.
  • Pros: Very easy to fit once assembled* Fan attachment is simple yet effective (no rubber things to pull through) Heatsink is a thing of beauty
  • Cons: *Attaching the processor brackets (G34 or C32) with the small screws is annoying since they are slick and cannot readily be thumb tightened.
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Overall 8
8.0

HUGE, but awesome

Ryan F., Newegg
26 November 2013
  • Pros: I have two of these cooling Opteron 4334s and they work great. These CPUs running numerous VMs never get hot.
  • Cons: Very large. Only 3 pin connectors.
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Overall 10
10

Strong CPU cooler but HUGE!!

LOUIS-PHILIPPE A., Newegg
2 November 2013
  • Pros: This CPU cooler simply is AMAZING! Quality is phenomenal and it ships with way too many accessories but I guess for the price tag its alright. Cooling performance is also phenomenal. Under full load on all 6 cores, my Opterons 4334 are kept at around 35C which is pretty low if you ask. The fans are hyper silent (you dont even head the air passing thru). Assembly is easy and precise. Component machining is top of the line.
  • Cons: The instruction sheet is garbage. Most of the pictures are totally wrong (not showing the proper component options for the socket C32) and it is cryptic to follow. Thanks to my experience assembling computers, I did not use the instructions at all. The thermal paste that came with the heatsinks is known to be low quality so I used Arctic Cooling MX-2 instead. Finally, the SIZE. Its HUGE. Seriously its big, but since it cools very well my opteron cpu's even under full ...
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Overall 8
8.0

My second one

john r., Newegg
30 September 2013
  • Summary: if they just designed the fins so that the Allen wrench could go through them to the screws, the problem would be solved with minimal loss of cooling (might even help having the extra holes in the fins).
  • Pros: I used this with G34. beautifully constructed (engineering is another matter), flow can be directed in any direction (brilliant). good materials, comes with various resistors for fan speeds.
  • Cons: the one and only con, has always been attaching the mounts to the base - its a total pita. You can barely get the screws in between the fins and the base let alone turn them. When you do finally get them in, the wrench will only turn about 50 degrees before having to reposition it.
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Overall 8
8.0

It's HUGE

Paul P., Newegg
25 September 2013
  • Summary: I went with two other heat sinks prior to this. The CPU was either overheating or on the edge . Due to this, it caused capacitor whine on those two boards. Now that I have the new board, the capacitors didn't whine and the CPU just flagged overheat in the BIOS.
  • Pros: Ok... I've seen big, but this thing requires at least 3U. It is massive, has two fans and it is QUIET. Not only that, it keeps the CPU (C32 4334) below 45C at full tilt. I read a lot of the reviews on this and people couldn't figure out how to put it together? Really? Let's stop being guys and be men and read the directions. It takes about 15 minutes.
  • Cons: It's massive. The board I have is a dual proc and I'm seriously doubting that when I go to add the second CPU I'll be able to put another of these next to as they will probably hit.
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Overall 8
8.0

Quiet but large

Daniel F., Newegg
17 June 2013
  • Summary: Documentation was sketchy - I will be able to install the second one more easily. It comes with two bracket sets, and I guessed which one to use incorrectly. There is no indication of how to install the fan clips, and it took a while to figure that out. On my Supermicro H8DG6-F motherboard it sticks out over 2 memory slots. I was able to install the memory first, but that means I can't remove the memory without first removing the heatsink. Not a big problem.
  • Pros: Very quiet
  • Cons: Took a while to assemble, very large
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Overall 10
10

Excellent fan

Makoto S., Newegg
17 April 2013
  • Summary: I read some of the bad reviews about getting the screws in for the brackets and can possibly see where that might be difficult to get started if you have larger fingers. I'd say I have average to slender fingers and had no problems with the 4 screws that attach the brackets to the heatsink. On an 8 core Opteron 4386, I'm averaging about 104 degrees F with light loads (running 5 virtual machines).
  • Pros: The size of this heatsink/fan makes it ideal for a 4U server. I'm using this on an Opteron 4386 in a ASUS KCMA-D8 motherboard and it is the right size for it. It is also really quiet, especially compared to the louder case fans that came with my server case. Very simple to install as well. Comes with everything you need, such as wrench and thermal paste.
  • Cons: When using the L-shaped hex wrench vertically, the handle is really small and uncomfortable to turn. I ended up holding the wrench with some vice grips and this made it a lot easier.
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Overall 2
2.0

Screws don't fit

Sharon H., Newegg
20 January 2013
  • Summary: When you spend $80 for this cooler, it should not be so difficult to insert a screw to the base.
  • Pros: Looks sturdy
  • Cons: I spent more than an hour to insert the screws to the base. They don't fit. The screw driver in the box does not fit the head of screws, either. I have been building computers over 10 years. This is the worst cooler ever purchased to assemble.
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