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ZALMAN CNPS9900MAX-B 135mm Long life bearing CPU Cooler Blue LED

  • RC7P Connected: 900 - 1,500 rpm ±10%; RC7P Not Connected: 900 - 1,700 rpm ±10%
  • RC7P Connected: 18 - 27 dBA ±10%; RC7P Not Connected: 18 - 30 dBA ±10%
  • Pure Copper/Black-Pearl Nickel Plated

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Zalman CNPS9900 MAX-B combines some of the most advanced technologies in the market used for CPU coolers to create powerful cooling performance. The CPU cooler utilizes composite heatpipe which is 50% more effective in transferring heat compared to ordinary heatpipes. Combined with a whisper-quiet 135 mm blue LED PWM fan positioned between two massive nickel plated pure copper heatsinks, the CNPS9900 MAX-B is more than enough to satisfy overclockers and users who are looking for ultra powerful cooling performance in silent operation.

  • newegg Powerful Cooling Performance [Qmax: 300W] Optimally designed pure copper fins effectively disperse heat away from the CPU via composite heatpipes, while the high capacity 135mm fan quickly cools the heatsink for stable operation of high performance CPUs.
  • newegg Ultra Quiet 135mm Blue/Red LED Fan An ultra quiet 135mm fan is incorporated for minimized noise while the blue LEDs heighten the cool aesthetics.
  • newegg Black-Pearl Nickel Plating The entire copper heatsink of CNPS9900 MAX-B is ‘Black-Pearl’ Nickel Plated for long-term corrosion resistance, while the deep ‘Black-Pearl’ tone along with the high intensity blue LEDs reinforce its powerful aesthetics.
  • newegg PWM Fan Speed Control The PWM (Pulse Width Modulation) fan automatically adjusts fan speed according to the CPU’s temperature, while the included Resistor Cable (RC7P) provides the option of reducing the input voltage for overall reduction of fan speed and noise.
  • newegg 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 CPU cooler for intensified cooling performance.
  • newegg Versatile Compatibility The Zalman CNPS9900 MAX-B accommodates a broad range of CPU sockets including Intel LGA1156 / 1366 / 775 and AMD AM3 / AM2+ / AM2.

Learn more about the Zalman Tech Co., Ltd CNPS9900MAX-B

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Zalman Tech Co., Ltd CNPS9900MAX-B

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  • Vibhu D.
  • 8/18/2015 5:21:20 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsZALMAN CNPS9900MAX-B 135mm Long life bearing CPU Cooler Blue LED

Pros: Great looking fan, works well. Looks cool with the Cougar Blue Led fans I installed with it.

Cons: None so far.

Other Thoughts: I have read about others complaining with its installation but if you go through its manual and watch the video on youtube it is very easy to install. It took me only 10 mins to install and this is my first high end PC build. I only chose this fan as I like the look of it and was not sure about its performance. So far I have no complaints.

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  • Daniel K.
  • 8/15/2015 2:56:28 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsVery difficult as an upgrade

Pros: High airflow, keeps my i5 4690k at about 65C under full load. Looks cool.

Cons: Almost impossible to install if the motherboard is already inside the case. The screw holes are underneath the fan assembly, leading to extremely awkward angles for screwing if you can't use the Allen wrench horizontally because of space constraints. The installation requires approximately three hands: one to hold down the fan, one to screw in the screws, and one to hold the bracket on the back (a task for which the included double-sided tape is woefully inadequate).

The worst part of the installation was that the instructions were incorrect. The instructions state that air flow from the thick side to the thin side, when it is actually opposite. The instructions also say to use the backside bracket in the wrong orientation.

Other Thoughts: I have installed other cpu fans before and they take less than 10 minutes. Between the awkward design, having to figure out how to use the backside bracket on my own, and then having to take it off and reinstall it because it was backward, this fan took well over an hour.

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

  • Michael J.
  • 8/14/2015 5:40:21 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsQuiet, keeps the CPU cool....but installation: yikes!

Pros: - VERY quiet, I really like the resistor that limits the RPM (I don't OC, don't really need the extra oomph)
- Looks really sharp
- Keeps everything nice and cool.

Cons: - Installation. This was used on an Asus A88X-Plus MB and AMD Athlon 860K. I think it would be easier if they supplied mounting screws that were a few mm longer.

Other Thoughts: Installing it was a bugger, like many reviews noted, so I docked a star. However, for the price ($20 after sale and rebate) I'll deal with some installation headaches.

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

  • Benjamin M.
  • 8/11/2015 12:32:30 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsUnique

Pros: Cools efficiently and is aesthetically pleasing. I am still 100% happy!!

Cons: Only thing I had trouble with was mounting this to my mother board. It took a little "motivation" but overall I can't complain to much.

Other Thoughts: Great cooler, quiet, and affordable. I would buy it again!

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

  • David H.
  • 8/1/2015 2:27:32 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week

4 out of 5 eggsManual error for orientation

Pros: I've owned various Zalman coolers for years now. Bought this one for my new 2011V3 build with Corsair Dominator DDR4 that comes with the clip-on coolers, as it is thin enough to use the clip-ons on both sides of the CPU. My original choice - the Noctua NHD14 - was too large. Zalman looks better and cools almost as well according to the stress tests I've seen.

Cons: The manual is wrong - says to orient the cooler so that the thinner side faces the rear, but the picture next to the text shows the airflow passing from the thinner side to the thicker side. So obviously you want to orient it with the thinner side facing the front of the case, to avoid conflicting airflow patterns. The online manual at Zalman.com shows the same thing. Guess Zalman can't be bothered to correct the error.

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

  • Ka F.
  • 7/30/2015 12:29:11 PM
  • Tech Level: Somewhat Low
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsVery effective fan

Pros: - The fan is very effective in cooling the cpu.
- 4 Pin connector
- Easy to install
- the fan is quiet

Cons: - the screw design is not very good. You may have a difficult time to unmount it once the fan is installed. I may go with cooler master next time just because of the screws. I don't expect Zalman to give out the screws as a replacement for free, but at least please sell the screw or the mounting kit as a replacement. The screw is really driving me crazy.

Other Thoughts: I love this fan and I would recommend this fan.

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  • William M.
  • 7/9/2015 10:15:00 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent CPU fan

Pros: Looks great - excellent design - Attaches easily to your CPU socket - and Holds up well - Keeps CPU much cooler then stock cooler --

Cons: little large so make sure your case can handle it

Other Thoughts: I liked this cooler so much I just bought another one - For my new computer X99 build -- I could use the old one in the rebuild - because it still is running great and it has been in the machine - A Home build asus intel i7 since 2010 - And this machine runs 24/7 -- So I think that is a pretty good record - and now with $20.00 rebate you can't go wrong --

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  • Jason S.
  • 6/29/2015 8:59:37 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsOutstanding aftermarket cooler

Pros: Keeps CPU very cool, around 30 degrees Celsius. Directions for installation are very clear. Looks great and very quiet. Note that installation might take longer than a stock cooler but it is not that difficult. Just follow the instructions.

Intel i5 4590
Antec 900 ATX case

Cons: Very large; may be too large for a side fan in some cases. I had to cut off part of the fan shroud in my Antec for it to fit properly.

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  • Gerald N.
  • 6/11/2015 10:16:28 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery Cool

Pros: Looks nice (subjective), does a great job at cooling. If nice aesthetics and great performance are what you're after, this unit fits the bill.

Cons: Installation is a pain, but worth it. Unit is pretty large - ensure your case can accommodate it.

Other Thoughts: I have bought 3 of these in the past year. They aren't cheap but they do a fantastic job. These cool nearly the same as the nice Noctua air coolers (look up the Guru3D comparison charts or any other). I can't stand the ugly tan/brown fans Noctua uses so that's a no go for me.

Here's my 9900MAX on my i7 4790K. Temps vs stock cooler as follows:

Idle temps dropped 5 degrees; CPU idles just over ambient.
Load temps dropped 25-30 degrees (C).

This Zalman Cooler::
Summer.. 80 ambient (27c) (Idle - 28c / Load - 63c)
Winter...... 67 ambient (19c) (Idle - 20c / Load - 51c)

Stock Cooler:
Summer.. 80 ambient (27c) (Idle - 33c / Load - 89c)
Winter...... 67 ambient (19c) (Idle - 25c / Load - 77c)

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

  • Philip C.
  • 4/24/2015 1:01:34 PM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsWorking great for 3+ years now

Pros: Works well in keeping my CPU cool under heavy and/or continous use. It's been over 3 years now since I installed it and it's still going strong with no problems, no fan issues/noise problems, or other issues. Looks cool with a nice blue light.

Cons: None. Installation was a bit of a pain due to the use of allen/hex screws that are smooth on the sides of the heads, making it hard to grip to turn (because it's easier to install by turning by hand at least until initially). One tip is to bend/push down the "arms" that attach to the screws so that you can hand turn them until they get secured, as that is very painful and slow to do using an allen wrench.

Other Thoughts: Not cheap but worth the price. It is quite large so it won't fit all cases. Make sure you put it on the right orientation so you don't have to remove it and put it back on in reverse (I believe the air blows from the side with the power cable to the side without the cable)!

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