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ZALMAN CNPS9500 AT 2 Ball CPU Cooling Fan/Heatsink

  • 1300±30%-2650±10% RPM
  • Copper 18.0±10%-27.5±10% dBA
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For the PC-enthusiast who wants a desktop that looks sizzling hot, yet stays remarkably cool, check out the Zalman CNP9500 AT CPU Cooler featuring a fan and heatsink! This hi-tech cooling device lends a rich, bright look to your PC with its flashy heatsink and frame, durably crafted out of pure copper.

The heatsink saves space with an architecturally sound 3-pipe system that effortlessly whisks heat away with the help of the automatic fan’s 92mm blades and 2 ball bearings. Controlling the fan is a PWM chip, which automatically adjusts the fan’s speed based on CPU temperature. It operates at a stealthy 18.0 dB at 1300 RPM and quietly revs to 27.5 dB at 2650 RPM during heated PC action.

  • newegg PWM Control Fan A low-noise 92mm PWM Control fan automatically controls fan speeds ranging from 1,300rpm to 2650rpm for silent cooling in relation to CPU temperatures.
  • newegg Unique Heatpipe Design Three innovative and curved heatpipes provide a heat capacity matching up to six heatpipes for maximized heat transfer.
  • newegg Optimized Heatsink Layout and Ultra-Slim Fins A 100% copper heatsink with an aerodynamically optimized "tunnel" design and 0.2mm ultra-slim fins maximize heatsink efficiency with minimal weight and smoother airflow for optimum cooling.
  • newegg Intel Platform Compatible Compatible with the Intel LGA 775/1155/1156 platforms, the Zalman CNPS9500 AT provides an ideal cooling solution for Intel Pentium 4, Celeron D, Pentium D, Core 2 Duo, Core 2 Quad, Core 2 Extreme, and Core i7, Core i5, Core i3 processors.

Learn more about the Zalman Tech Co., Ltd CNPS9500 AT

Model

Brand
ZALMAN
Model
CNPS9500 AT

Spec

Type
Fan & Heatsinks
Compatibility
Intel LGA 775 / 1155* / 1156* / 1150

Note*: Customers that purchased coolers before the inclusion of support for socket 1155/1156, can purchase the separately sold ZM-CS5A or ZM-CS5B mounting kit for installation onto socket 1155/1156. The mounting kit ZM-CS4A can be purchased separately for installation onto socket 1366.
Bearing Type
2 Ball
RPM
1300+/-30%-2650+/-10% RPM
Noise Level
18.0+/-10%-27.5+/-10% dBA
Heatsink Material
Copper

Physical Spec

Heatsink Dimensions
Overall Dimension: 85 x 112 x 125mm
Weight
530g

Features

Features
Compatible with Intel's Dual Core Pentium, Pentium4, and Celeron D for Socket 775.

Low-noise 92mm PWM Control fan for automatic control of the fan's RPM according to CPU
temperature.

Optimized heatsink layout composed of pure copper for maximum heatsink efficiency.

Innovative, curved heatpipe design for a heat transfer capacity of up to six heatpipes
with just three.

0.2mm ultra-slim fins for minimized weight and reduced airflow resistance.

Maintains minimum RPM even when Duty signal supplied by M/B is below 30%.

Operates in silence by preventing extreme RPM during initial booting.
CPU support: Pentium 4, Celeron D, Pentium D, Core 2 Duo, Core 2 Quad, Core 2 Extreme, Core i7, Core i5, Core i3

Note(1): Customers that purchased coolers before the inclusion of support for socket 1156, can purchase the separately sold ZM-CS5A or ZM-CS5B mounting kit for installation onto socket 1156.
Note(2): The mounting kit ZM-CS4A can be purchased separately for installation onto socket 1366.

Package Contents

Package Contents
CNPS9500 AT
Thermal Grease
Clip (S-Type)
Bolts (for installing cooler)
Clip Support Fixing Bolts for Socket 775
Clip Support for Socket 775

Manufacturer Warranty

Parts
1 year limited
Labor
1 year limited

Quick Info

Warranty

  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year


Customer Reviews of the Zalman Tech Co., Ltd CNPS9500 AT

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  • Jan I.
  • 9/6/2014 11:39:17 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat value, great cooler

Pros: Excellent cooling, especially for the price - perfect for my media computer. Should be great for most applications may be except major gamers. I have i7-4790 Haswell cpu but using built in HD4600 graphic card. This is media computer (TV, movies, etc.) not gaming computer... Lot of raw cpu power, 4 hard drives, but not much of GPU. No need for the one HD TV connected :-)

I got this since it was on sale and $20 rebate took it down to ~$20 total price. My "stock" heatsink on i7-4790 was letting the cpu go well over 70C (I saw over 80C peaks...) when loaded. This thing tops around 52C at full load. Major improvement. I was going to spend $60 for liquid cooling, but this is safer (no liquid), much cheaper, and probably as good. This seems reasonably quiet - even though that is not major issue for me. This rig is well cooled box (3 x 120mm fan in the box) so there is plenty of air inside for this thing to work with.

Cons: This is huge - make sure you have full size box and space inside. It is pain to mount - you have to remove motherboard most likely. Even with access from the bottom I was unable to get to the right screw holes with my fingers. It is simply beast and takes up space. I am sure upgrading the system will not be any fun, but that is not my plan now anyway.

Other Thoughts: I am actually surprised by the difference between the included Intel "stock" cooling and this. Seems the stock is simply joke. Come on, Intel, I topped 80C peak temperatures - without any overclocking and inside really perfectly cooled box. That makes simply no sense to let the thing go that high.

Did you find this review helpful? Yes No

  • Gerald K.
  • 9/1/2014 10:22:46 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsReally nice fan

Pros: I like a lot of things about this fan. The copper heatsink looks nice and does a better job drawing out heat than aluminum sinks. It keeps its length and width dimensions roughly the same as the intel OEM fan so there shouldn't be major issues with installation, just make sure your computer is deep enough as the fan sticks out significantly towards the side wall of the case. One thing I really like is that (unlike many aftermarket and all OEM fans) the design blows a column of air directly to the rear exhaust fan rather than to the case sidewall where it will hit the side and disperse among your other components.

Cons: Kind of a pain to install with the bracket and the tension bar and the underside nuts, but not too bad. Read the directions closely. Took about 20 minutes (cpu install, thermal paste, mounting, etc) and went fine.

Other Thoughts: Runs at 1450-1500 rpms and keeps my 3.4 ghz i5 at 30 Celsius under significant load. Reviews that say the fan runs loud or at max RPMs are probably seeing the result of other heat management issues.

Because it blows to the back of the case instead of to the side of the case, it is possible to install this in the wrong direction. Read the diagram in the manual to point it properly straight at the rear exhaust fan.

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  • Gerald K.
  • 8/30/2014 11:47:32 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsNice cooling

Pros: The giant copper heatsink keeps the fan at 1500 rpms under a load and it looks cool too. You would be hard pressed to find another heatsink this large that fits as well. Its bloat is outward rather than up/down/left/right, so it doesn't really interfere with giant video cards just below it. Also, as opposed to OEM fans (and many aftermarket), it blows heat back towards the exhaust fan. I like this because it is not sending heat to overheat something else, it is sending heat to the fan that blows heat out of the box. Make sure your case has enough depth for it to fit.

Cons: A pain to install but less of a pain than aftermarket fans that don't fit.

Other Thoughts: Under load, my CPU is a chilly 30 degrees C and the fan runs quietly at 1500 rpms. Other reviews where the fan is running at max RPMs and loud probably did something wrong in the installation.

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  • Rebecca S.
  • 7/11/2014 2:15:29 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsNice affordable cooler

Pros: Cools very well and was able to reach 4.7Ghz stable on my i5 2500k at 1.38v running around 75c. Not bad but better than expected for a relatively cheap air cooler.

Cons: When the fan ramps up, it REALLY ramps up. Fan can get pretty loud at 100% and even around 80%. Knocked an egg off just for the annoyance.

Other Thoughts: Have since moved on to a Corsair H100i but this is still a very nice cooler.

Did you find this review helpful? Yes No

  • Ben A.
  • 6/17/2014 7:08:00 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDisappointing

Pros: Looks cool.

Cons: First, temps were no lower than stock cooler. Second, the design is terrible. A frame screws down into the 4 points around the cpu, then the cooler is locked to the frame by a small metal bridge that only has 2 points. The screws on this 2 point bridge only hang on by the bottom 1mm of their threading and are garbage. The screws stripped for me the second time I installed the cooler. Not stable. Bad quality.

Other Thoughts: Buy a Cooler Master 212 - they cool better, are designed better, and are cheaper. Zalman is not worth it, even on sale.

Manufacturer Response:

Dear valued customer,

We sincerely apologize for the issue. Please contact our customer service e-mail support.usa@zalmanusa.com or via toll free number 1-888-925-6266 for further assistance.

Thank you.

Best regards,

Zalman USA Customer Service

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

  • Matthew H.
  • 5/26/2014 12:36:38 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsIts very cool!

Pros: My CPU runs at 71 F and is fairly quiet. Its worth the swearing you will do installing it.

Cons: Instructions are unclear. You really have to look at and study the picture and the instructions together to understand what the manufacturer is getting at. If you go by the written instructions only you will be sorry! That is why I subtracted an egg.

Other Thoughts: As with other reviews, its sharp and like the taste of blood. Also you have to remove your motherboard from your case to install its "clip support".

Did you find this review helpful? Yes No

  • Anonymous
  • 5/17/2014 3:40:42 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsawesome cooling!

Pros: price, effectiveness. durability

Cons: meh, none

Other Thoughts: I've had this cooler on a Q9300, overclocked from 2.5ghz to 3.2ghz for 5 years, that's right FIVE. Under gaming load, temps have never been above 66c and idle around 32c. Bonus, I can now use it on my new i7 build in process. I've also used this on custom builds for friends and customers and it's one of the best values for air-cooling. Never cut myself while installing any of them and I really think that would be difficult to do. You will not be able to fit this in a micro-ATX case. Mid-tower or bigger!

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

  • Michael S.
  • 5/13/2014 4:31:26 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsPRO CPU Cooler

Pros: *Relatively Quiet.
*Keeps core I7 under 38 Celsius during extended gaming periods.
*Can direct the cooler airflow as desired.

Cons: *MoBo removal required for install.
*Mounting bracket is unorthodox.
*Must watch videos and do your research prior to installation.
*Most Mid Towers may not support the height of this cooler.

Other Thoughts: *The copper fins are not as easy to bend or as sharp as other reviews claim
*You will likely have to watch a video or two prior to installation.
*I have a full Tower...an absurdly huge full Tower...I have like an inch left with side case fans installed...plenty of room.
*If you need to go with air cooling this is the CPU cooler to get.
*I do not overclock.

Did you find this review helpful? Yes No

  • Anonymous
  • 4/29/2014 6:48:01 PM
  • Tech Level: High
  • Ownership: more than 1 year

5 out of 5 eggsgreat, just great

Pros: I am very glad i got this heatsink, very low amounts of noise very low temperatures at all times (even with overclock). Never failed me. Easy to install

Cons: None

Other Thoughts: Dont handle by the fins, they are flimsy and should not be used to lift the motherboard, they will bend so be careful.

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

  • Daniel P.
  • 4/19/2014 7:57:30 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsI only build with Zalman

Pros: I only build my machines with Zalman fans never had a prob.

Cons: nope

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

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