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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

Model

Brand
ZALMAN
Model
CNPS9900MAX-B

Spec

Type
Fan & Heatsinks
Fan Size
135mm
Compatibility
Socket FM2 / AM2 / AM2+ / AM3
LGA 1150 / LGA 775 / LGA1155 / LGA 1156 / LGA 1366 / LGA2011
Bearing Type
Long life bearing
RPM
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
Color
Transparent
LED
Blue
Heatsink Material
Pure Copper/Black-Pearl Nickel Plated

Physical Spec

Heatsink Dimensions
94(L) x 131(W) x 152(H)mm
Weight
755g

Features

Features
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
CNPS9900 MAX
Backplate
Thermal Grease (ZM-STG2)
Resistor (RC7P)
Wrench
Gold Bolts (Socket 1366)
Silver Bolts (Socket 1156 / 775 / AMD)
Nut (Slide) Caps
Nuts
Loading Block
Double-Sided Tape
User's Manual

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 CNPS9900MAX-B

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  • Peter K.
  • 10/8/2014 3:06:59 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsWorks great, but making noise

Pros: Works great! Who needs Water Cooling?! I've got an i7 4770k 3.5Ghz clocked to 4.3Ghz and the highest I see under load is about 54 deg C. That's with all 8 bars on my desktop MIP meter completely lit up. My fan controller is set to hit 100% at 60 deg but it gets up to around 75% and never has to go to the full 100%. My workloads don't last more than 5 minutes at peak load at best. And it looks cool thru the side window! Very happy with this. ... other than.... (see cons)

Cons: 1) It rattles like it's out of balance.
2) I can't get Zalman to respond to my emails for getting service.
3) Rebate took 4 months to get ... no kidding.

Other Thoughts: If not for the rattling, I'd have given this 5 eggs. Things do go wrong, I realize that. But that's where you find out who runs a good company and who doesn't. Due to the fact that they have not replied at all to my emails inquiring on how I might get this replaced without being down for weeks, They're now down to 3 eggs.

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  • Travis B.
  • 10/2/2014 3:24:43 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsLooks good, cools well, but install is a nightmare

Pros: This thing is a beast, but actually slightly shorter than many of the big brick coolers that many people use. It certainly looks better than most of those as well, especially with the black fins. The LED is nice, it's not overly bright so it mostly just illuminates the fan, which is fine. It looks nice, but it's not necessary.

My cooling has been decent, even with a problem resulting from the install. The CPU has stayed at a decent temp.

Cons: Unfortunately as much as I like the look and performance of the cooler, the installation was such a nightmare I'm not sure I'd use this again. I installed this on an AM3+ socket for an FX8350. The first problem I had is that the feet for the AM3+ socket in the manual shows the feet bent downwards. I think this is how they're supposed to be, but unfortunately mine was completely flat. Given the problems I had later during the install, I have a feeling they definitely should have been bent downwards.

The first problem is the back bracket has to be assembled. This involves putting spacers on the end of the feetfor your socket and then sliding receivers in to those. Unfortunately there's nothing holding those receivers in place and they were constantly falling out as I was trying to work with the thing. If I had 3 hands this would have been fine, but I don't and this made things very frustrating.

To add to my frustrations was the issue with the feet used on the cooler. Since they weren't bent as shown in the manual the screws weren't even close to the receivers they needed to screw in to. I eventually had to take the thing out to the garage and at least bend the feet a little with a pliers just to get them close. Even then I had to apply a ton of pressure that didn't feel remotely good for the processor or motherboard just to get those screws in to the receivers and hold them there to screw them in far enough to hold. To then get the screws in all the way I had to use a wrench on the receivers on the back to screw them in. You'd think they could have notched the backplate to make this unnecessary but apparently not. All in all this was yet another process where 3 or 4 arms/hands felt necessary.

Then, to add insult to injury the thing is facing the wrong way. I followed the directions exactly, placed it so the correct fins and fans are facing the back of the case exactly as the directions stated. The problem is the directions said to place the thinner heatsink towards the rear of the case, but the picture showed it the opposite way. To make it more confusing the picture shows the fan mounted against the thinner heatsink while mine has it mounted against the fatter heatsink. But either way, the pic did show the fan mounted against the heatsink facing the front of the case, and blowing towards the heatsink it was not mounted on. Since this seemed to agree with mounting it with the thinner heatsink towards the cases back I chose to go with that as the text and fan placement in the picture indicated. Only thing that didn't agree was the pic showed the fat heatsink at the rear of the case, but everything else about it was wrong.

Well, apparently half the picture and the text was wrong, cause as it turns out the fan is now blowing towards the front of the case, which is generally not a good idea. So now I have the dilemma of reusing this when I take it off to fix this problem, or simply replacing it rather than go through this nightmare

Other Thoughts: I like the look of the cooler and the performance is good even installed backwards, but the install process was just so bad I couldn't recommend this. Maybe if the feet were bent that might make things more tolerable, but even without that problem the install was still a huge pain. Then you get the installation directions contradicting itself to the point I now have to uninstall and reinstall (or replace) the cooler to get it installed properly and this whole thing was a huge mess.

I want to like the cooler, but unfortunately the installation process is not worth the result.

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  • Trevor B.
  • 9/26/2014 6:27:58 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsSuch a B***** to put in

Pros: It is very quiet, it runs great an keeps my I7 4790k very cool.

Cons: For a 1150socket it was very hard to put this heat sink in! The directions was very UNCLEAR. It ended up taking me an hour + to put this bad boy in

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  • Michael G.
  • 9/14/2014 4:07:49 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsCooler Than CNPS9900 LED

Pros: Quieter and a couple degrees Celsius cooler than the Zalman CNPS9900 LED. New version's mounting system lets screws engage socket without as much downward force as needed with the prior mounting version (I have 3 older 9900 LED units) to push spring-loaded screws downward; the supplied allen wrench works well enough.

Cons: Screw sockets go into backplate arms, pointing upward. There are 3 positions very close together in a single, long hole in each arm -- the middle one is 1150. Not clear in the instructions.

Other Thoughts: The 135mm fan is exactly as wide as the heatsink. Need to make sure no cable sags into it.

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

  • Mark B.
  • 9/6/2014 7:58:54 AM
  • Tech Level: Average
  • Ownership: more than 1 year

4 out of 5 eggsRefined HSF, Not Best Solution For Haswell

Pros: High-quality manufacture
Huge ball-bearing fan
Beautiful to behold
Tall enough to clear most RAM
Quiet at idle and light-medium loads
Excellent cooling of i7 4770k at stock (35-50 C) and mild overclock (up to 60C at 4.1 Ghz), even when at full load
Fits in Antec Solo-II midtower case
Fair value at late 2014 prices (about $20-30 below orig MSRP)
Reasonably quiet, even when fan is fully engaged

Cons: Doesn't perform as well as many competitors (Noctua, Prolimatech, Thermalright)
Non-replaceable fan
Expensive at MSRP
Difficult/tricky installation on GA-Z87X-UD4H mobo
Unacceptable CPU temp for 24/7 use at full load with i7 4770k at 4.3 Ghz (90C constant)
Fan must run full speed to support overclocking above 3.8 Ghz in my build

Other Thoughts: I bought this HSF because past experiences with the Zalman CNPS line. I've run past-generation AMD and Intel CPUs in gaming rigs and full-time Folding@Home rigs at acceptable temps, even when moderately overclocked. Although these coolers have irreplaceable fans, I've never had one fail, even after 3-5 years of constant use. I've also never had a CPU die due to cooling failure. And Zalman coolers have a "wow" factor ... they're beautiful.

I have two GNPS9900Max-B units, which I've used in two identical configurations over the past year and a half (proc/mobo/case listed above). No issues with either HSF/fan. Very happy overall.

Installation was difficult on my mobo, and required some dexterity. Install guide was not very helpful.

At 4.3Ghz and under full load, my Haswell CPU hits 90C on the nose. This is not beyond Intel's max temp, but it is much too high for my taste. I might be able to decrease the temp a few degrees by lowering voltage or using a case with more ventilation (Antec Solo-II is a midtower with two intake fans and one exhaust), but my case temps are pretty low.

My research indicates Ivy Bridge and Sandy bridge CPUs overclock well and achieve better temps than Haswell with the same HSF/Fan. Even through Haswells at lower power draws, the heat-spreader/plates are not soldered to the CPUs as with previous generations (thermal paste is substituted instead). As a result, Haswells run hotter than Ivys or Sandys at lower power. My guess is that if I delidded my Haswells and replaced the thermal compound, I could drop 10C at max load. However, I have no wish to void my warranty over a couple hundred Mhz.

Bottom line? The CNPS9900Max-B is an excellent cooling solution for Sandy and Ivy processors in all conditions. For Haswell, however, be prepared to accept lower clock speeds. If you are intent on achieving moderate-to-high overclocks on Haswell, you may be better off with a different solution.

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  • JEFF F.
  • 9/4/2014 4:51:53 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsyes

Pros: cools very well an i5 2500k on an Evga E679 P67 motherboard in a HAF 942 case with fans in bios set to 80%....see cons

Cons: a pain to install....replaces an Antec Kuhler 920 which began to leak after a couple of years....and the Zman cools better

Other Thoughts: fortunate to have this as a backup, when the enclosed liquid Kuhler began to leak

Did you find this review helpful? Yes No

  • ANDREW S.
  • 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

  • David Y.
  • 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!!

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

  • Klayton C.
  • 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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  • John R.
  • 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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