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ZALMAN CNPS9900ALED 120mm 2 Ball Low-noise Blue LED CPU Cooler

  • with RC33P 800rpm ~ 1,300rpm +/- 10%
  • without RC33P 1,000rpm ~ 2,000rpm +/- 10%
  • Pure Copper
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Long popular for the design and engineering of their products, Zalman continues to deliver on their tradition by producing quality products backed with excellent service. The CNPS9900LED goes a step further by looking good as it cools your AMD or Intel processor.

The efficient dual copper heatsink design combines a 3-pipe system that effortlessly whisks heat away with the help of the 120mm blue LED fan’s blades and 2 ball bearings. Noise level can be lessened automatically by using the integrated PWM functionality which lets the BIOS monitor fan performance and thermal need and adjust the fan's speed accordingly.

The CNPS9900LED is compatible with all single- and multi-core CPUs for Intel's Socket 775/1156/1366 and AMD’s Socket AM3/AM2+/AM2/754/939/940. All the clips and backplates are included so there's nothing else to buy to get the unit attached to your motherboard in minutes.

  • newegg Pure Copper Heatsink Base and Fins A pure copper base and circular heatsink formed by radially aligned ultra-thin (0.2mm) copper fins maximize heat dissipation surface area for excellent cooling performance.
  • newegg High-efficient Heatpipe Design The innovative heatpipe design delivers a heat transfer capacity equivalent to 6 heatpipes with just 3.
  • newegg 120mm Cooling Fan with PWM Function The 120mm cooling fan with PWM function automatically adjusts speeds according to the CPU temperature for the optimum balance between cooling performance and noise level.
  • newegg Universal Socket Compatibility As an all-in-one solution for PC systems, the ZALMAN CNPS9900A LED features broad compatibility with all AMD socket AM2, 754, 939, 940 and Intel 775, 1156 and 1366 platforms.


Learn more about the Zalman Tech Co., Ltd CNPS9900ALED

Model

Brand
ZALMAN
Model
CNPS9900ALED

Spec

Type
Fan & Heatsinks
Fan Size
120mm
Compatibility
Socket AM2 / AM2+ / AM3 / AM3+ / FM1

Intel LGA 1150 / LGA 775 / LGA 1155 / LGA 1156 / LGA 1366
Bearing Type
2 Ball
RPM
with RC33P 800rpm ~ 1,300rpm +/- 10%

without RC33P 1,000rpm ~ 2,000rpm +/- 10%
Noise Level
with RC33P 18dBA ~ 28.5dBA +/- 10%

without RC33P 19.5dBA ~ 38.0dBA +/- 10%
Power Connector
4-Pin Connector (PWM Control, Auto Restart)
Color
Gray
LED
Blue
Heatsink Material
Pure Copper

Physical Spec

Heatsink Dimensions
94(L) x 131(W) x 152(H) mm
Weight
730g

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 CNPS9900ALED

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  • Anders O.
  • 4/16/2014 12:33:22 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent, BIG, sink

Pros: Excellent cooling, silent fan, easy attachment (see comments). Stock sink on i7 950 goes to 80C running Handbrake - this one keeps it under 55C.

Cons: A little big, heavy - fins are very sharp and I have a couple of scratches to show for it, but that's PEBCAK more than anything.

Other Thoughts: I'm amazed why some people give this product a poor review because they didn't do their homework on the sizes of CPUs and fitment in the case. This is my second 9900 heat sink. My first one (which also worked very very well) died due do failed fan. The mounting option on that one (3 years ago?) was different than the current model, and IMHO much easier to mount. My mobo (ASUS Sabertooth X58 LGA1366) sits in an Antec 1200 case and it has a cutout in the back to allow for installation of backing plates while still mounted in the case. I had to switch to the old mounting method because I could not get it mounted in the case. Granted, that was me being lazy and not wanting to remove the mobo from the case - had I done that, the sink would have mounted easily, I'm sure. All in all, once I moved over the top plate from the old sink to the new one (old retaining bracket won't fit over new top plate) and fan, thing mounted like a dream. Do be careful - the copper fins are sharp and the sink is heavy. I have a couple of scratches on a couple of knuckles (I have big hands). Overall, excellent sink.

Did you find this review helpful? Yes No

  • Alan W.
  • 4/3/2014 4:30:30 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsPerfect!

Pros: very quiet, looks good, and cools incredibly well !
Im running an AMD 6 core and it keeps at 9 degrees celscius when idle....
Running second life at Max graphics it only hits 14 degrees celsius

Cons: instruction could be better

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

  • Zhiduan S.
  • 4/2/2014 1:07:48 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsexcellent

Pros: quiet ,, do it suppose to be.

Cons: not find yet

Other Thoughts: it's tough to install it with AMD 6300. But it worth .

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

  • Leif W.
  • 3/22/2014 4:49:01 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsCool, Quiet, Heavy, Sharp, Shiny

Pros: For 2-years, has kept my AMD FX-8150 CPU very cool. At build time 2+ years ago, was the fastest and hottest CPU on the market. Fan is very quiet, almost can't tell it is on. Stays MUCH CLEANER than most other heatsink designs I have seen over the years, which is important! Also is very easy to clean when it does cake with dust.

Cons: Can't replace fan if it dies. >.< Very sharp fins, may have sliced a knuckle once when new, but it's almost impossible for me to cut myself with it now. Idk what changed, the fins or me? Extremely heavy at almost 2 lbs / 900 grams. When mounted vertically, even with bracket and screws, it's just barely hanging on and just barely not causing stress on board. Avoid moving case for any reason. But if you must move case, do it very slowly and steadily. Any jarring motions could cause separation of heatsink from CPU, spoiling the thermal compound bond.

Other Thoughts: About a year and a half ago, when looking at something in the case while running, I bumped my knuckle on the fan, oops. After that, the fan would make a random clicking or rattling noise which slowly got more frequent over time. The sound would go away if I just gently held a finger on heatsink. The fan still works, and still keeps CPU below 60°C even when at 100% on a warm ambient air day, but seems to run about 10-20% slower than it should, thus requiring max speed at all times. Although that was all my fault, the problem would have been easily remedied if the heatsink had a modular or interchangeable fan design. For that reason I knock an egg off. Not perfect, but pretty d4mn3d close.

Also, NOTE: Using this CPU on /any/ AMD processor will VOID THE WARRANTY! AMD's warranty policy specifically states that only the heatsink provided will not void the warranty. This is ridiculously unjust, as the stock OEM fan will absolutely 100% ensure premature thermal failure even when not overclocked. This Zalman heatsink is all but REQUIRED to prevent frying the CPU. In my opinion, this is a candidate for a class action lawsuit against AMD.

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  • Riley R.
  • 3/19/2014 6:48:34 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGood air cooling unit

Pros: Quiet, keeps the CPU cool (I attribute this to the all-copper piping and fins), pretty cool looking

Cons: Fins are sharp - you WILL cut yourself on them.

Other Thoughts: In hindsight, I wish I'd gone with a pre-filled liquid cooling unit instead, but I am still pleased with this purchase.

Did you find this review helpful? Yes No

  • Sharon S.
  • 2/25/2014 5:42:51 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsWorth it

Pros: - very quiet
- has kept my I5-2500K running under 38°C for 3-years now
- cheaper and simpler than liquid cooling (and just as quiet)
- inexpensive for its quality
- ALL COPPER!!
- easy to clean with a Q-Tip

Cons: - weighs 900 grams
- won't fit in sub-Standard ATX chassis (most OEM desktops)
- sharp fins -- blood, sweat, and tears will go into its installation ;-)

Other Thoughts: - install before mounting the motherboard (otherwise it will be difficult to fully set all of the mounting screws)

Did you find this review helpful? Yes No

  • Matthew P.
  • 2/25/2014 1:52:21 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggssweet

Pros: this thing is huge and quiet, got for $35 with the rebate, keeps my i5 2500k nice and cool while it wrecks everything, far superior to the stock cooler.

Cons: none

Did you find this review helpful? Yes No

  • John J.
  • 2/25/2014 11:18:12 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsTerrific Cooler

Pros: Does a great job of cooling.
Like most Zalman coolers, looks almost alien.

Cons: Somewhat fussy installation.
Those notorious, razor sharp Zalman copper blades!

Other Thoughts: I was a bit apprehensive about buying this cooler for an AM3+/GIGIBYTE build after reading the difficulties many have had with installation. But, the price and rebate were hard to pass up, and I’ve always had a great deal of luck with Zalman. So, caution be darned and let’s see what the issues are.

First-things-first: I installed this thing in 20 minutes. I should add that I could see the potential issue with the mounting screws not quite reaching the mounting nuts fastened to the backplate. However, knowing about this ahead of time, I skipped the second half of Step 3 and did not attach the padded, double-sided tape to the loading block. This got the mounting screws an extra millimeter or so closer to the mounting nuts, which was just enough. (Note that the enclosed User’s Manual indicates that the double-sided tape “…is not a necessary component.”)

A second strategy I found useful was keeping the rigid plastic cover on the unit during installation. The User’s Manual early on instructs you to “…unclip and remove the heatsink's plastic brace before installing the cooler.” But, on close inspection, it seemed obvious that the cover could be easily snipped off after installation. Keeping the plastic cover on accomplishes two things: You can mostly avoid getting your fingers and hands cut to shreds by those notorious Zalman copper blades; and, the rigid plastic cover is braced in such a way that you can apply some moderate pressure to its top during installation to help with the threading of those four, potentially troublesome mounting screws.

A surprisingly easy installation, all things considered. Periodic checks of the CPU temp under a variety of loads has yet to show it above 30C, although I’m not a gamer. And, whisper quiet, too, if by “whisper” you mean it *literally* can’t be heard. What’s not to like? …as long as you go in prepped.

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

  • Adam N.
  • 2/20/2014 8:11:27 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggs

Pros: Excellent cooling, keeps my i5-4670 idling around 25*c, and under load around 40*c. Looks great, and compatible with lots of chips.

Cons: The fins on the radiator are /extremely/ sharp. If you bump them with your hand they will cut you. Installation is rather clumsy as a result of this. This is my only complaint, however.

Did you find this review helpful? Yes No

  • HAROLD B.
  • 2/12/2014 8:06:43 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsGrate Cooler lasts

Pros: Last a long time, Have been using this CPU cooler for 4 years and still running strong, and cooling grate. I just percussed my second one for a AMD build. Very easy to clean.

Cons: Cooling fins can be sharp.

Did you find this review helpful? Yes No

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