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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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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




Fan & Heatsinks
Fan Size
Socket FM2 / AM2 / AM2+ / AM3
LGA 1150 / LGA 775 / LGA1155 / LGA 1156 / LGA 1366 / LGA2011
Bearing Type
Long life bearing
RC7P Connected: 900 - 1,500 rpm +/-10%; RC7P Not Connected: 900 - 1,700 rpm +/-10%
Noise Level
RC7P Connected: 18 - 27 dBA +/-10%; RC7P Not Connected: 18 - 30 dBA +/-10%
Power Connector
4 Pin
Heatsink Material
Pure Copper/Black-Pearl Nickel Plated

Physical Spec

Heatsink Dimensions
94(L) x 131(W) x 152(H)mm


Powerful Cooling Performance [Qmax: 300W]

Ultra Quiet 135mm Blue LED Fan

Black-Pearl Nickel Plating

PWM Fan Speed Control

High Performance Super Thermal Grease ZM-STG2

Versatile Compatibility

Package Contents

Package Contents
Thermal Grease (ZM-STG2)
Resistor (RC7P)
Gold Bolts (Socket 1366)
Silver Bolts (Socket 1156 / 775 / AMD)
Nut (Slide) Caps
Loading Block
Double-Sided Tape
User's Manual

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


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

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

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  • Advent
  • 8/21/2014 1:59:14 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

3 out of 5 eggsWorks but horrid installation process

Pros: Looks awesome and performs decently

Cons: was very unpleasant to install

Other Thoughts: probably will avoid this brand from now on

Did you find this review helpful? Yes No

  • RTWjinkie
  • 8/20/2014 5:13:16 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPhenomenal Cooling ability!

Pros: Vastly underrated cooling ability. Easy to reinstall after switching CPU's because of the backplate you attach. Simply unscrew from MB, and voila! Youre finished once you screw it back down. Also, the screws stop, so there is no way you can overtighten this cooler and damage your CPU.

Cons: None

Other Thoughts: This cooler's ability to wick heat from a CPU is beyond paraise. I recently up/sidegraded my i7-2600k to an i7-3770k. As many of you should know, the smaller processor die on the 3770k means when pushed, the cores heat up really quickly. In fact all the Ivy's must have their heat closely managed.

Anyway, after nearly 30 builds, I made a rookie mistake and forgot to replug the Zalman fan. I spent a week cruising the internet, running benchmarks, playing games and converting video, and the CPU never overheated!! without the fan! Perfect design on this!!

Did you find this review helpful? Yes No

  • Klayton
  • 8/7/2014 11:15:49 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsDoes its job

Pros: My cpu almost never got much more than a degree or two hotter than the air inside my case. I by no means am dealing with a high heat build but it handled the heat off my APU running its integrated graphics to the max with no problem.

The fan makes a great handle to carry your mobo around with.

Cons: Near impossible to clean.(Gotta wait till the dust builds up so you can blow it back down to a thin layer with canned air.)

It says it fits FM2 sockets but on my ASUS F2A85-V PRO FM2 AMD A85X using the base plate that came with the fan on top of the beefier APUs the bolts simply would not reach the treads on the fan. Luckily If I used the base plate that came with the stock fan on top of bending the fan plate wings down I was able to get the bolts to thread just enough for it to stay on and it has been working for 2 years since.

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  • N/A
  • 7/19/2014 10:09:03 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAMD FX-9590

Pros: Works well with AMD FX-9590

Cons: Cumbersome install. Need to have motherboard out of the case to install. Fine for a new build, but a pain for an upgrade.

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  • Tom
  • 7/11/2014 4:13:41 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsgets old fast

Pros: cools very well

Cons: after just over a year, the fan is now out of balance and making a shuddering noise.

Did you find this review helpful? Yes No

  • N/A
  • 7/4/2014 1:35:49 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsNot such a long life...

Pros: Works great until the bearings seize.

Cons: Because of it's size and weight installation could be easier, and once it's in it works great, until the "long life" bearings seize up in just under a year. I have had $10 oem cpu coolers last longer than this thing did. When you pay extra for something to last and it is marketed on that feature it should probably last longer than one year.

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  • TheDudeAbides
  • 6/10/2014 3:31:18 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsHints for install.

Pros: Great cooler. My 8350 has never climbed above 37 c.

Clears ram.

Cons: Tall. Very tall.

I have an older full atx and had to remount my side fan to the outside and custom melt some plexiglass to make airflow smooth.

Installing this cooler can be difficult. Here is a hint.

Use a stock amd backing plate if you're having issues. Provided (Phillips head, or Allen head) Screws are long enough. I've installed 4 of these and all went in with little to no headache.

Other Thoughts: For cost to cooling you can't beat the longevity of this coolers fan.

Invest in some arctic thermal paste.

If you have a buzzing or grinding noise check the fins on heatsink coils. Easy fix less, less shipping costs.

Did you find this review helpful? Yes No

  • Lance
  • 5/29/2014 8:14:37 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsZalman Cooling

Pros: Compact size, cools great for its size. Blue light looks Great

Cons: noise for size and cooling

Other Thoughts: you get this if you need the size or if it is at $30 range.

Did you find this review helpful? Yes No

  • MP_99
  • 5/27/2014 7:42:25 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsGood cooler, BEWARE very bad screws.

Pros: Very effective cooler, it can keep my FX8300 below 50°C even when using 7 cores at maximum. The LED is moderate intensity: it doesn't scream I'M HERE LOOK AT ME.

Cons: The installation screws for my AM3+ motherboard (Asus M5A990FX ) are uselessly too short. The included screw and caps measure around 1" end to end when assembled. The measured distance of the fan's supports to the backplate is around 2". This would have required applying SEVERE force to bend the fan's supports into place with such short screws (assuming you can balance the massive fan and not break the motherboard in the process...). I got some cheap 3" long screws and hex-nuts from the local hardware store and adjusted everything into place. The nuts were a bit tricky to tighten because the fan is huge, but that's nonetheless doable.

Other Thoughts: Screws aside, I recommend removing the fin's plastic covering last. While covered, they're protected and easy to maneuver.

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

  • bam
  • 5/23/2014 2:14:00 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorth every penny

Pros: Installed on AMD A-series processor. I did not have any problem installing at all. All parts that I needed were supplied. Cools processor down to 22 when idling an 30+ on full load. I would buy another without a thought, as the reviews by people made it sound so hard to AMD processors. It is VERY quiet.

Cons: The little hex wrench is not of highest quality. I used one of my own to tighten the screws. That is the only negative thing I have to say, but that is very minor in my book.

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