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ZALMAN CNPS12X 120mm Long Life Bearing High Performance Triple Fan CPU Cooler

  • Quiet Mode(with RC5): 850 ~ 1,100rpm +/- 10%
  • Performance Mode(without RC5): 950 ~ 1,200rpm +/- 10%
  • Pure Copper, Aluminum
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zalman CNPS12X

Powerful Cooling Performance

Optimally designed aluminum fins disperse heat away from the CPU via six high performance heatpipes by utilizing I.H.D technology, while the high capacity 120mm Triple fan quickly cools the heatsink for stable operation of high performance CPUs.

*I.H.D: Interactive Heatpipe-transfer Design

zalman CNPS12X

Ultra Quiet Triple Blue LED FAN

Switching noise eliminated! 120mm Triple Fans incorporated for ultra quiet operation and blue LEDs for cool aesthetics.

*"Switching noise" is the high frequency harmonic noise that can result from voltage regulation.

zalman CNPS12X

VFP Dual Heatsink

Optimized dual heatsink, applying Variable Fin Profile (V.F.P) technology, maximizes it's performance through a dual air-intake structure that increases airflow.

*Radiator Surface Area: 9,635cm²
*Noise: 22dBA ±10% (with RC5)

zalman CNPS12X

W-DTH Base Applied

As applying W-DTH - Whole-Direct Touch Heatpipes - technology, heatpipes in the Base Cover touch the CPU directly and transfer the CPU's heat directly to heatpipes, thereby minimizing heat resistance and maximizing cooling performance in a short time.

Composite Heatpipe Applied

By utilizing Composite Heatpipes, the heat transfer capacity is enhanced by 50% compared to the ordinary sintered-type heatpipes.

*Composite Heatpipe: Featuring a "Sintered Metal" type wick, resulting in outstanding capillary pumping performance, and a high thermal conductive design of "Axial Grooves" which increase the heat transfer rate.

Black-Pearl Nickel Plating

The entire heatsink of CNPS12X is plated with "Black-Pearl" Nickel for a long-term corrosion resistance, while the deep "Black-Pearl" tone along with the high intensity Blue LEDs reinforce its powerful aesthetics.

zalman CNPS12X

Versatile Compatibility

CNPS12X accommodates a broad range of sockets including Intel's upcoming LGA 2011 socket, as well as AMD's sockets.

LGA 1150 / 2011 / 1366 / 1156 / 1155 / 775
FM2 / FM1 / AM3+ / AM3 / AM2+ / AM2

Moreover, thanks to highly optimized heatsink design, CNPS12X is able to be compatible with a Mid -Tower Case with its width is 180mm or wider.

High Performance Super Thermal Grease ZM-STG2

The included all new high performance thermal grease ZM-STG2 maximizes heat transfer from the CPU to the base of CNPS12X for intensified cooling performance.

zalman CNPS12X

Middle Case Support

The cooler's height is 154mm, and it can be installed in midsized cases which measure 180mm in width.

zalman CNPS12X

Compatible CPUs

Socket CPU CPU Compatibility
Intel 2011 Core i7 Extreme Supports all speeds
1155 / 1156 Core i7 Extreme Supports all speeds
Core i7
Core i5
Core i3
1150 Core i7 Supports all speeds
Core i5
1366 Core i7 Extreme Supports all speeds
Core i7
775 Core 2 Quad Supports all speeds
Core 2 Duo
Core 2 Extreme
Pentium Dual Core
Pentium D
Pentium 4
Celeron D
AMD FM1 LIano Supports all speeds
FM2 Trinity Supports all speeds
AM3+ Vishera Supports all speeds
AM3 Phenom II Supports all speeds
Athlon II
AM2+ Phenom II Supports all speeds
Athlon FX
Athlon X2
AM2 Athlon FX Supports all speeds
Athlon X2
Dual-Core Opteron



Dimensions (L x W x H) 5.9 x 5.2 x 6 inches (151 x 132 x 154mm)
Weight 2.2lb (1,000g)
Materials Pure Copper, Aluminum
Dissipation Area 9,635cm²
Heatpipes 6
Fan Low Noise 120mm Blue LED Fan
Fan Bearing Long Life Bearing
Fan Bearing Long Life Bearing
Fan RPM Quiet Mode(with RC5) 850 - 1,100RPM ± 10% Performance Mode(without RC5) 950 - 1,200RPM ± 10%
Noise Quiet Mode(with RC5) 22dBA ± 10% Performance Mode(without RC5) 24dBA ± 10%

Thermal Grease (ZM-STG2)

Color Gray
Capacity 0.12oz (3.5g)
Specific Gravity @ 23°C 2.88
Thermal Resistance 8mm² • K/W
Thermal Conductivity 4.1W/mK
Temperature Stability -40 - 302°F (-40 - 150°C)

Learn more about the Zalman Tech Co., Ltd CNPS12X

Quick Info


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

Customer Reviews of the Zalman Tech Co., Ltd CNPS12X

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  • Nicci K.
  • 2/23/2015 10:17:58 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggs

Pros: Amazingly quiet even without the "silencer" with it.
Temps rarely get above 30C even under full load (i5 4590).

Cons: Size is the number one con.

Make sure the motherboard you are pairing this with has plenty of space between CPU location and RAM slots. I cannot use two RAM slots on an ASRock Fat1lty Z97 Killer motherboard

Other Thoughts: This is an amazing CPU cooler and worth the money. Make sure to take note that Socket 1150 is the same as 1156. 1150 is not listed in the instruction set and it was one of my first times adding a backing plate to the motherboard.

Did you find this review helpful? Yes No

  • JAMES R.
  • 12/22/2014 8:01:46 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

3 out of 5 eggsNice unit, but too big

Pros: Moves a lot of air
looks nice

Cons: Too big, interferes with memory installation

Other Thoughts: If you are using memory with large heatsinks, this won't work. I think that even with low profile memory, the fins would block the use of one of the memory slots (Gigabyte X97-UD5H Dotherboard)

Did you find this review helpful? Yes No

  • Danny N.
  • 7/29/2014 5:09:06 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsDissapointed.

Pros: Looks nice, runs quiet. provide a little more than sufficient cooling. Cool LED

Cons: Too Low and High! Just way too big! Had to buy a new case for it and had to sacrifice RAM to make room for it since it was too low and took away the last RAM even if RAMs are low profile!
Didn't last long. It's been half a year now and this unit is slowly turning and hitting other components on the motherboard. I expected longer life than a year from Zalman! Dissapointed.

Other Thoughts: Not worth the price or the hassle. Bad purchase.

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

  • Kozlovskii
  • 7/5/2014 9:47:15 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

3 out of 5 eggsGreat performance, unreliable in a long-term.

Pros: Great performance, cools down i7-3930k with no problems.

Cons: After a 1.5 year of use, central fan is not parallel to the side fans any more. It has an angle about 10 degrees. Because of that, central fan hits the metal parts of the cooler, producing an extremely annoying and loud sound. I have to keep my PC case leaning against the wall at all times so there is a gap appeared between a central fan and metal parts.

Other Thoughts: For a $100 i expected at least 3 years of flawless work. And now warranty is gone and I have to buy a new cooler. Disappointed. I will avoid this brand in a future.

Did you find this review helpful? Yes No

  • Phillip W.
  • 6/27/2014 8:51:21 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsNO GO

Pros: large

Cons: Wont fit on a z97 chipset board made by gigabyte namely the GA-Z97X-Gaming G1, ALSO the z97 SOC FORCE.

NO SUPPORT from Zalman

Other Thoughts: I own both the above motherboards and the way the northbridge heatsinks are on both boards this wont fit you can not in any way fit the heatsink on because you cant get to the top screws to hold them down, also the bracket that you have to screw down to hold it is to long and hits the heatsinks. So you would have to grind bracket down the find some magic way of getting to the screw on that side to tighten them. So if you own either of those boards don't buy this because it wont fit.
I bought a 9500led to fit but the bracket inside was wrong for the 1150 socket. I have emailed ( yes to the right address ) and filled out their web form twice in the last 3 weeks with no reply from zalmann to get the right bracket. So lets see this one wont fit and other has wrong bracket with NO SUPPORT from zalman at all. I cant call them their hours are like mine and since they don't answer emails you might as well go with a different company. Now they can leave a reply here but it doesn't help because they don't answer emails what a lame company.

Manufacturer Response:

Dear valued customer,

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

Thank you.

Best regards,

Zalman USA Customer Service

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  • James C.
  • 6/26/2014 8:41:29 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggs

Pros: Good air movement, high quality build.

Cons: Parts that were essential for the installation were not included in the box. I had to email Zalman for them. That is unacceptable when you pay this much for a cooler...

Did you find this review helpful? Yes No

  • Laura k.
  • 5/1/2014 8:11:34 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome!

Pros: Looks great, very quiet even with 3 fans, Keeps CPU temps very low on my Intel 3770, temps before were around 42-45, there now at 25 when idle.

Cons: Was very large and installing was difficult but mostly cause instructions weren't great and the Allen wrench could of been a bit longer

Other Thoughts: I noticed a lot a people on here having issues with it covering there ram, well I actually made a mistake when I installed the support plate to the board but it worked out very well in the end, I ended up mounting it so the fans would would exhaust out the top of the case but its was fine because my case has two 120mm fans that exhaust out the top, so when I put the unit into the case to mount it on it didn't effect my ram or any other components in there, I have a Sentey Burton Extreme Division Tower Case with an ASUS Z77 Sabertooth board with the thermal armor on it and the ram is Corsair Vengeance, and everything fits fine. I would suggest giving this a try if your case has Fans that Exhaust out the top cause even with the GPU right below the cooler I still get max temps between 40-50 when gaming. I'm getting another for my other build that will be using an Intel 4770K.

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

  • Jared P.
  • 3/8/2014 7:22:13 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsa monster

Pros: its big and plenty of airflow. probably one of the best short of liquid cooling. blue is my favorite color. and its not loud. even with 3 fans

Cons: its BIG. if you want 4 sticks of ram dont buy it. i had to use both channels A and B of my ran just so i can fit the cooler in the case. but no big worries. it is what it is. it wont get 5 eggs because i cant use the other 2 A and B slots of my ram. im useing the ASUS sabertooth 990 MB

Other Thoughts: i suggest buying a smaller cooler. zalman will always have a place in my case and they did a good job at explaining how big it was in the description. but i didint realize how big it was untill i saw the box. and it was nearly the size of my head. LITERALLY. like a 7 year olds head. its huge. its as tall at a 12FL oz glass bear bottle. pretend your PSU is your cpu heat sink. THAT BIG.

0 out of 3 people found this review helpful. Did you? Yes No

  • Aaron H.
  • 2/24/2014 6:20:37 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsIt's good, but...

Pros: It worked well to keep the CPU cool.

Cons: I have a very large case, ATX super tower, and it did not fit in my case. I ended up returning it because I could not close my case.

Other Thoughts: If you do buy this item, make sure you measure your case and have the room for it.

0 out of 4 people found this review helpful. Did you? Yes No

  • Anonymous
  • 1/29/2014 8:42:25 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsHuge, Cold, Silent

Pros: -Keeps my OCed 4930k @ 4.8 GHz at a cool 65C at full load on 12 threads on Wprime/OCCT
-Very, very quiet with max fan speed
-For daily use and gaming, the fans never kick in on my custom cooling profile (fans remains off until the cpu hits 50C).
-Plays Skyrim/GTAIV with fans off (temps never go past 45C)

Cons: -Huge, blocks 2 of my ram slots an my only other PCIE 3.0 16x slot on an ASUS Rampage IV Black Edition, so to do a proper crossfire config I'd have to get water cooling or a less manly air cooler.
-Had to install it on motherboard outside of the case then place it into the case due to it's sheer size
-Installation is sort of tricky for LGA 2011 chipsets, and almost impossible without taking you mobo out of the case

Other Thoughts: The bottom plate where the heatsink comes into contact with the CPU isn't completely flat and has small grooves as the heatpipes are in direct contact with the CPU and thus requires slightly more thermal paste in order to get proper coverage (thermal paste credit card technique is an absolute must for this heatsink)

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

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