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Zalman CNPS9900 LED
6.3 out of 10

Zalman CNPS9900 LED

The Ultra Quiet CPU Cooler is 100 percent Pure copper heatsink w Read more

Best Price at Amazon

Reviews and Problems with Zalman CNPS9900 LED

Showing 1-10 of 19
Overall 6
6.0

Rattles

Robert H., Newegg
27 December 2014
  • Summary: Alot better than the stock CPU cooler that came with my AMD Fx 8350
  • Pros: Great cooler!! Blue Lights!!
  • Cons: Pain To Install Makes a very annoying rattling noise as the RPM's increase.
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Overall 6
6.0

Duno

Sandra R., Newegg
8 December 2014
  • Summary: i gave it a 3 and not a 2 because the cpu runs really cool with it.
  • Pros: the cpu runs very cool even with the included thermal grease
  • Cons: it is actually quite weird to work with it. it was very unconfortable to install on the board and i couldn't even find a way to install it with the back plate. Also i noticed that i did not get one pack of screws
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Overall 6
6.0

Excellent cooling until it hummed/buzzed 3 days later

Ryan K., Newegg
13 November 2014
  • Summary: other than that minor issue that is being RMA'd for, its a pretty solid heatsink for being an air selection over water cooling.
  • Pros: Excellent cooling area, quiet(until 3 days later). Clocking the i7 4790k to 4.7 Ghz and running games, kept it down around 40-50C. Very exponential cooling power. Controllable speed
  • Cons: This may just be a defunct cooler out of the whole lot. after 3 days, a buzz noise between 1400 rpm and 1600 rpm emitted. Since the fan constantly is running around this area, its rather quite annoying. Sounds like a bad bearing or vibration vibrating something on the fan,. sounds RPM dependent(p...
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Overall 6
6.0

Works well, a huge, borderline intolerable pain to install

Shari Youngblood, Amazon
23 September 2014
  • Summary: The good: it works very well. Cools my CPU (AMD Phenom II 955) very well, never goes above 50C even with all 4 cores under full load and you can't really hear it (compared to the other 3 fans on my case). No problem there.
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Overall 6
6.0

Newer version flawed.

Chris F., Newegg
16 July 2014
  • Summary: Why would they take away a perfectly good clip mechanism? I purchased this heatsink for that very reason, but now i will probably be returning it since i'm not willing to completely disassemble my computer.
  • Pros: I've had one of these for years. They are quiet and effective.
  • Cons: These newer versions don't have the same clip mechanism and the old. The older ones had a simple clip mechansm for AM- based mainboards, easy to install and uninstall directly on the top of the mainboard- no backplate required. But the new version has an overly wide nut in the middle of the base ...
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Overall 6
6.0

Installation problems

Anonymous, Newegg
27 June 2014
  • Summary: If i had to redo this i'd go for a much smaller one
  • Pros: Decent product, does what's it is design to do, no problem here
  • Cons: while building my computer i cut myselft a hundreds times on this... The instruction were so useless not clear at all! Its an enormous CPU cooler
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Overall 6
6.0

disappointed ticking fan

Joseph X., Newegg
8 June 2014
  • Summary: Other then the ticking sound coming from the fan this would have been a five star product. Perhaps it is just the fan that I received, and perhaps, just hopefully the ticking sound will go away in time. But because of this ticking sound I would hesitate to purchase another Zalman product.
  • Pros: good heat dissipation high quality parts except for the fan (more on that) sturdy
  • Cons: As the title points out, my biggest disappointed with this cooler is the fan. There is a distinct and very noticeable ticking sound coming from the fan. This is very annoying considering I specifically wanted a silent running computer so even at SLOW speeds you can hear the fan ticking. I would r...
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Overall 6
6.0

Trouble

jason h., Newegg
26 April 2014
  • Summary: Design flaw. AM3+ bracket could have been lowered or they could include longer screws to reach the inserts. Shouldn't have to bend things to get it to fit. Almost felt like I was going to break my motherboard or CPU installing it.
  • Pros: Does it's job and keeps CPU cool. Like the design. And it is quiet.
  • Cons: Very frustrating install for AM3+ motherboard. The screws are not long enough so you will need pliers and bend the brackets down.
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Overall 6
6.0

Quiet, but pain to install on AM3+ chips

Adam F., Newegg
6 January 2014
  • Summary: If the install was not such a pain I would have given this product 5 eggs because this is the third Zalman cooler I've bought with no problems other than this install.
  • Pros: Very quiet and keeps the temps around 10-20 deg celsius and peaks during BF4 on 100% ultra in the high 40s max of 50. Responds to the load quickly and even under heavy load not much noise is put out.
  • Cons: No way did they design this cooler to fit out of the box for AM3+ chips. Like other people, i had to do substantial bending of the brackets so I could begin threading the screws which makes me worried that there is uneven presure being distributed onto the processor.
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Overall 6
6.0

Pretty Cooler, Monster to install AM3+

Daniel S., Newegg
2 January 2014
  • Summary: Don't let the install deter you. the sale is good "almost 50% off". The cooler looks Awesome and cools great. Just be prepared to tackle the install in whatever way works for you.
  • Pros: Awesome looking cooler blue led really highlights the copper heat sink. Cool well as expected. Packaging was nice and tight.
  • Cons: I bought it for an am3+ socket, and it was a monster to install. The hardware sleeves included where you anchor the bolts were not in anyway long enough to reach. I did not want to force it though i could not see a possible way to force it to fit. Thus i took a big pair of pliers and slowly bent ...
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