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Noctua NC-U6 Fanless Chipset Dual Heatpipe Cooler

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Noctua NC-U6 Fanless Chipset Dual Heatpipe Cooler - 1
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Part #: NC-U6

SKU: 20939
Shipping Weight: 1 lbs
Shipping estimate: $5.99*
*Via NCIX selected courier.

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Customer Reviews of Noctua NC-U6

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Noctua NC-U6 reviews.
Experience: 1 Days


Cooling efficiency, fits in shorter cases.
I wasn't impressed with the mount. Northbridge coolers typically suffer in this regard, though.
I'm using this on a Gigabyte E7AUM. This board has integrated graphics using a Geforce 9400 design.
I have it installed in a Antec Minuet, along with an Intel Core Duo E6300 45nm 2.8gHz processor.
This is a case with only an 80mm case fan quite far from the CPU and NB set up to exhaust air out of the case. The only other fans are the 80mm in the PSU and the stock Intel cooler on the CPU.
With the stock NB heatsink, the chipset was idling around 70 degrees Celsius and getting past 90 under load.
My initial testing after installing the Noctua U6 shows the same loads leading to a maximum temperature of 55 degrees.
As for my complaints:
Installation of the mounting bracket to the heatsink requires a long and very thin Phillips-head screwdriver. I mostly keep multi-head screwdrivers about, so I had to make do with a thin flathead screwdriver. It is possible that this impacted the sturdiness of the installation, although I'm fairly certain I was able to tighten the bracket as tight as it ought to go, which leads to complaint two:
The heatsink seemed to be able to move about quite a bit on its push-pin springs. They were locked in all the way, but the heatsink could still be rotated. It was also rather painful adjusting the pins to the correct position - though it would have been slightly easier had the CPU cooler been removed.
Despite the slightly shoddy installation, it is performing very well (40 degree temperature drop, no fan!) and I would strongly recommend them to anybody using a short computer case and experiencing chipset heat issues.

This review was modfied by poster @ 08-13-09 01:09 AM

Experience: 2 Months


Works great
May interfere with larger cpu heatsinks
I got this to replace the stock passive NB heatsink on my Gigabyte 650i mobo. The stock one is a massive copper piece, but this makes a huge differece. With my e4400 at 3.0 Ghz, the stock temps used to idle at 55 degrees celcius, and under load it would go to over 80! Now it idles at 40, and never sees over 62 degrees under load. The only problem I can see is clearance is tight with my Kingwin RVT12025, so if you have a heatsink bigger than that you may have an issue.

Experience: 3 Days


- lowered my EVGA 680i northbridge temps by 15-20'C compared to the old heatsink fanless
-fairly easy install
- didn't fit perfectly on the board
This thing is amazing. It lowered my northbridge temps by 15-20'C at idle from a whopping 63'C to 35'C compared to the original EVGA 680i heatsink without the super loud fan installed. You have to get this, it lowers temps drastically which preserves system life and increases performance.

Experience: 2 Months


- cools well
- very small
- no fans needed so 100% silent
- none
Very small, very effective heatsink. Performs better than most forced-air heatsinks, even though it has no fan.

It turned out to be smaller than the stock heastink on my Gigabyte mobo, but pay attention to the dimension as it might interfere with video cards or large CPU heatsinks.

Experience: 4 Days


+Excellent Quality.
+Modded Appearance.
+Wicks away heat efficiently.
+Works on variety of boards.
-Could be taller, longer pipes, more fins.

Well, I have this sitting on the NB of my EVGA 680i A1. Lubed up with Arctic Silver 5. It does an amazing job.

The heat dispersing fins get very hot which means it is doing it's job greatly. I attached an 80mm fan to rid the heat faster. This does a much better job than the stock nVidia branded HSF/heatpipe setup. I can't wait for the Arctic Silver 5 break-in to occur and drop my temps even further.

I currently have a Q6600 OC'd to 3GHz at 1.4vcore. My FSB is sitting at 1.5 Volts and the board temps sitting around 32'C load. Which is pretty good by overclockers standards on air cooling.

If your thinking of overclocking, buy this now and apply Arctic Silver 5 or Cermaic at its foundation and you will be all smiles. I am. :)


This review was modfied by poster @ 09-28-07 10:34 PM

Experience: 20 Days


Dual heatpipes remove a lot of heat
no fan included
I use this as a CPU cooler on my N4L-VM DH motherboard with an intel T7400 chip. Does a great job especially using the fan from the stock cooling solution. I used it with arctic silver 5 and it dropped my temps by 10-15 degrees

Experience: 1 Months


Silent, good performance, good looks, excellent documentation and website.
Large size
I got one of these to replace the stock fan and sink on my Chaintech VNF4 Ultra because the fan started to annoyingly loud. This cooler looks really great; too bad I don't have a windowed case. As for performance, it seems to work quite well on my non-OCed system. I don't have a temp sensor on the nForce4 chip itself, but the mobo sensor shows low temps and it feels cool to the touch.

The size may make it difficult with certain configurations. I wanted to install it so that it is perpendicular to the airflow from my front case fan, but my video card requires that it go parallel, which is probably not the optimal cooling setup. It also comes very close to the SATA connectors on the mobo, which makes life a little more tricky.

One big difference with Noctua is that they did a proper job with their documentation and website. The instructions are pretty good; their website is well laid out and has lots of useful information. Their English is also flawless, which is a refreshing change.

Experience: 3 Months


-Fanless design
-Well built
-Good mounting
-Mine came with 3 different mounts
Bought this for my aging KT400 system which had a small heatsink and 40 mm fan. After having replaced the fan a couple times, and constantly having to oil it and put up with it's annoying grinding noise, I decided to replace it with a passive cooler. Installation of this was a breeze and once attached it felt quite secure. System is stable and running well. Unfortunately I don't have a temp sensor for my chipset so I don't know before and after temperatures, but I'm sure this is probably better performing than the stock setup. Very happy with this cooler and I will purchase it again in the future should I ever have another board that doesn't come factory with a heatpipe cooler.

Experience: 10 Days


-great cooling
-fits with my freezer 7 pro
-quite cheap
-really hard to push down pins to fit..., slightly damaged my chipset
-push pins are slip quite easily
-base should be a bit thinner
I love this chipset cooler except the fact that the little plastic pins kept on popping out on my mobo. I substituted them with the original gigabyte cooler pins which worked great. I am glad it fits nicely together on my 965p-ds3 with the freezer 7. I strapped on an 80mm fan and it's not even warm to the touch. I just wish the base would be a little bit thinner so it wouldn't almost break my chipset. Anyways if you put the MINOR problems away, it's a great cooler!

Experience: 14 Days


No fan = no noise!
Fit and finish excellent
I love this thing! My chipset was getting very warm (MSI P6N SLI-FI) and I wanted something passive but effective. Thhis cooler is amazing and it takes up less footprint than the stock passive heatsink. These are a must buy!

Product Videos [ Edit ]

Features [ Edit | History ]

2 Dual-Heatpipes for optimal heat absorption
Using 2 u-shaped Dual-Heat-Pipes, the NC-U6 has sufficient capacity to reliably dissipate even the heat generated by overclocked high-end chipsets.

29 aluminium cooling fins for optimal heat dissipation
Thanks to a surface area of more than 500cm², the cooling fins dissipate the heat extremely fast - without the need of an additional fan!

Soldered joints for optimal heat-transfer
Unlike many other coolers, whose heatpipes are stuck to the base and the fins, the NC-U6 possesses high-grade soldered joints to ensure optimal heat transfer.

Easy installation on Intel and AMD mainboards
The NC-U6 comes with mounting parts for Intel and AMD mainboards and uses the existing fastening hooks or push-pin mounting holes.

Can be turned by up to 120° for maximum compatibility
In order to achieve maximum compatibility with mainboards, VGA cards and CPU coolers, the NC-U6 can be turned by up to 120°.

Specifications [ Edit | History ]

Height85 mm
Width70 mm
Depth (cooling fins)23,5 mm
Depth (socket)33 mm
Weight130 g
MaterialCopper (base and heat-pipes), aluminium (cooling fins), soldered joints
Mounting SystemPush-Pins & Mounting-Hooks
Scope of Delivery
  • NC-U6
  • Mounting Parts
  • Thermal Paste
  • Installation Manual
  • Warranty6 Years

    NCIX Forum Messages

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    Please note that NCIX.com Forums is not a sales or product support board. For sales or specific product related questions, please send message to receive the fastest response.

    Messages about Noctua NC-U6 Fanless Chipset Dual Heatpipe Cooler

    Will this fit a GA-965-DS3 (Shawn_- May 16, 09, 4 Replies)
    Will it fit on and EVGA Nforce 750i mobo? (Samuel_D- Mar 17, 09, 0 Replies)
    Noctua NC-U6 + NH-U9B on p965-ds3? (Iulian_S- Oct 22, 08, 3 Replies)
    does it fit on GA-MA78G-DS3H? (sae_o- Oct 07, 08, 0 Replies)
    This does not fit on GA-MA78GM-S2H (Etherealm- Aug 14, 08, 2 Replies)
    will this fit an asus p5k-e? (cameron_g- Jul 04, 08, 1 Replies)
    EVGA NF590 compatiblity? (Ryan_W- Mar 06, 08, 2 Replies)
    What should I do for SB? (nicksterrr- Feb 20, 08, 3 Replies)
    thermal paste (Roxas_E- Apr 19, 07, 1 Replies)
    how does this stack up against the thermalright HR (doger_666- Apr 15, 07, 5 Replies)
    Will this fit EVGA Intel nforce 680 board? (Louis-David_L- Feb 25, 07, 4 Replies)

    Post a New Message  |    All Messages       Browse NCIX Forums

    Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.

    Reviews from the Web

    Below are reviews found on other web sites for this product submitted by customers.

    URL: http://www.hardwarecanucks.com/hardwarecanuck-reviews/1744-noctua-nc-u
    Comment: "- Excellent Passive cooling - Simple Universal Installation - Can easily attach a 60mm fan - Quality build - Bling factor" Test verdict: "The Noctua NC-U6 is definitely a worthy Chipset cooler with or with out a fan attached. It is a simple installation if you have the clearance to accommoda
    Posted by: Supergrover @07/01/07
    URL: http://www.bcchardware.com/index.php?option=com_content&task=view&id=3
    Comment: BCCHardware reviews this cooler and talks about size restriction and performance compared to stock chipset cooling.
    Posted by: bcc|Zeus @03/01/07
    URL: http://pro-clockers.com/reviews.php?id=189
    Comment: Here is another rave review..."The Noctua NC-U6 is a great alternative to the stock cooling of any board...Noctua’s quality continues to surprise me..."
    Posted by: UO @12/31/06
    URL: http://www.overclockersonline.net/index.php?page=articles&num=792&pnum
    Comment: "The Noctua NC-U6 cools incredibly well without the use of a fan, mounts extremely securely to the chipset, has a relatively small footprint for the its abilities, and is very well priced to boot. Anyone looking to improve cooling and/or eliminate noise from their system should keep the Noctua NC-U6
    Posted by: Jakob_D @12/31/06
    URL: http://www.bigbruin.com/2006/noctuancu6_1
    Comment: "The Noctua NC-U6 Heatpipe Chipset Cooler is an excellent choice for those looking for a significant upgrade in the chipset cooling department. It provides excellent performance that would make it appealing to overclockers and gamers, while offering absolutely silent operation that anyone could appr
    Posted by: Jakob_D @12/30/06
    Submit a review link   |   Latest 30 reviews

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