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Dynatron > 
Item#: N82E16835114073

Dynatron P985 92mm Ball CPU Cooler

  • 2600 ±10% RPM
  • Aluminum Radial Fin Heatsink with Copper Inserted

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  • Specifications
  • Warranty & Returns
  • Reviews

Learn more about the Dynatron P985

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
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Customer Reviews of the Dynatron P985

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  • Anonymous
  • 5/15/2015 7:14:07 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsBest low-price heatsink/fan for Intel CPUs

Pros: Dynatron's P985, K985, and K987 are all essentially the same thing. I verified with the factory that the fans can be swapped between them, with the blue tops (P985 and K985) having a two-ball fan and the red one (K987) having a one-ball fan. There might be slight differences between the heatsinks, but I cannot see any. The factory verified that the three units can be swapped between LGA 775, 1150, 1155/1156, and 1366 simply by using the proper mounts, which consist of a metal piece which screws onto the bottom of the heatsink and one or two pieces which anchor the heatsink onto the motherboard.

The bottom of the heatsinks have the largest copper base I have ever seen (don't forget to remove the plastic protector which comes on some of the models). The performance is outstanding. It brought the idle temperature of one i5 Sandy Bridge CPU down to 22 C. You will need to remove the motherboard from the case unless your case has a cut-out which allows access to the rear of the board. The metal pieces which anchor the heatsink have a sticky side, but I removed it with thumbnails and Goo-Gone for ultimate flexibility. At idle, the fan makes no noise. I only use PCs for work and surfing, so I have no idea of the performance for gaming. When scanning external drives for viruses, the temperatures remained in the 20s and low 30s.

Buy the model closest to your needs. For example, for LGA 775, buy the P985. For LGA 1150 and 1155/1156, buy the K985. If you might move to different motherboards, buy the K987 because it includes the most adapter parts. Some of these have instructions and some do not (the ones I bought from Newegg did not and one I saw in a store did, but this is not rocket science).

Cons: None.

Other Thoughts: I really wish Dynatron would sell mounts for AMD CPUs.

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  • Cassandra N.
  • 8/27/2014 12:12:11 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Cooler!

Pros: Cools a lot better than the stock Intel cooler.
Doesn't take up too much space.
Comes with pre-applied thermal paste.
Not very loud to my standards.

Cons: Collects dust fairly fast, after a month of ownership it had a fair amount of dust on it, and in it. But with regular cleaning, it doesn't matter.

Other Thoughts: Great cooler, isn't too loud, for the price you can't beat it!

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  • Lisa C.
  • 7/29/2014 5:42:07 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsDynatron P985 CPU Cooler

Pros: Does it's job and quietly.

Cons: none so far

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  • Cathy S.
  • 7/15/2014 4:08:42 PM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

2 out of 5 eggsGreat But You better buy Thermal paste

Pros: Great fan and heat sink easy install and cools very well

Cons: Thermal paste wasn't shipped in as displayed in picture. If I hadn't purchased thermal paste with the fan it would have been useless

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  • Harold H.
  • 5/7/2014 12:19:48 PM
  • Tech Level: High
  • Ownership: more than 1 year

3 out of 5 eggsGood but has some issues

Pros: I had this fan and heatsink for well over two years. It has worked well, kept my CPUs at a reasonable temp. It's quiet too. They send some thermal paste which is a nice touch.

Cons: The plastic fan housing can be a bit flimsy. I very easily broke the plastic hooks that snap in and hold the fan onto the bottom part of the plastic cover when I tried to clean it. It still works but it's not connected as well as it should be. Granted I had it for over two years but it could have been made a bit better.

Other Thoughts: I still recommend this fan even with the small issue of the design being very easy to break.

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  • Paul D.
  • 4/12/2013 5:32:06 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsA solid, little cooler

Pros: Small footprint, Back-plate security and precision, decent cooling, relatively quiet for most of its life at low load.

Cons: Fins get very dusty very quickly, reducing cooling seemingly overnight. The fan can degrade over time until it howls and it DOES get a bit loud when under high or sustained load.

Other Thoughts: I really like this unit. It's generally an excellent performer. But it does get dusty very quickly. It also gets quite loud under load - especially when gaming. Unfortunately, over time, the fan just kind of decided to go werewolf and howl all the time. My first one lasted about four years before the fan started getting loud enough for my wife to complain. I ordered another, only used the fan and it's like it was when it was new. Nice and quiet except when I'm gaming, which isn't that often.

It's easy to clean since the fan attaches with a simple pressure clip. Getting the fan back ON is a touch tricky, but not unmanageable. I discovered this from the build-=up of dust that caused my T-Max settings to kill my computer in the middle of a game. The top becomes easily clogged by dust and airflow is through the top. I play it safe and keep my T-Max at about 65 C, but it was startling to see my system overheating.

The copper core and aluminum fins do a great job of keeping the CPU I have (a 3.0 GHz, Core2 Duo Wolfsdale) running between 24 C and 58 C depending on load and air temp - provided you keep it CLEAN. I subtracted one egg because of the fan life (all the other fans in the case are both older than the HS fan on this one and are still working FINE) as well as the design which seems to trap dust easier than most coolers I've used in the past. Overall, though, I'd definitely recommend it, provided you don't mind cleaning it every few months for optimum performance.

I'm now making my new system (the MB on my current system is getting squirrely) and wish they had a back-plate version of this for the LGA 1155 socket. But they don't, so I have to use something else. I'd definitely recommend this over the stock Intel fans but you'd have to have an LGA 775 board for it and those are, sadly, out of style these days. Too bad, since it seems they have more options for a socket 775 than they do for the more current 1155/1156.

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

  • Zachariah S.
  • 5/25/2012 8:05:04 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsQuiet

Pros: Quiet, Really guys. I don't know what some people are talking about when they say it is loud. Maybe it is their power supply fan being loud because this fan is so quiet they have nothing else to listen to.
Also this is a great option for you guys upgrading your grama's compaq presario. The OEM motherboard that those came with works perfect with this because it already has a bracket installed underneath the motherboard. So you just have to screw this one down(no motherboard removal neccessary!) and you're good to go! Did I mention quiet?

Cons: Was a tad trick screwing the mounting screws in but it was secure in the end.

Other Thoughts: Do not attempt PC building whilst consuming bacon.

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

  • Sidarth D.
  • 5/20/2012 8:11:15 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsI wish all heatsinks were this easy

Pros: I resurrected an old machine to run as a server and accidentally broke the annoying plastic pins off my old heat sink. I specifically got this heatsing because it uses screws instead of those plastic pins.
It was ridiculously easy to install.

The fan is not loud either.

Cons: None yet!

Other Thoughts: When idle, the fan cant' be heard with the case fans turned on.
Under high load the sound is audible, but isn't a high pitched whine. Its more like the whooshing of air with a slight mechanical tinge. Not unpleasant like previous heatsinks I've had.

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  • Michael B.
  • 2/12/2012 10:01:41 PM
  • Tech Level: Somewhat High
  • Ownership: less than 1 day
  • Verified Owner

1 out of 5 eggsnot what i paid for.

Pros: the fan works as its supposed to, keeping machine cool as hoped.

Cons: thermal paste wasn't shipped in bottle as picture provides. thermal paste is placed on the heatsink; normally would have been a great idea. the bracket/heatsink didn't fit my board like i expected.. wait, at all. i snapped in everything as obvious as it was. hooked up machine. got strange beeping noises. unhooked took out, noticed that none of the thermal paste was changed, then after closer inspection, it wasn't touching at all, large gap from between the cpu and heatsink. blah blah fast forward, the fans were similar enough that i had to break a couple things, and modify the new fan on old heatsink. after about 30+ minutes got it all together and installed. would have been nice to have that tube of thermal paste to put on my old heatsink.

Other Thoughts: i love newegg, never had a problem with them. always fast and at a reasonable price. the pictures and description was off a little bit on this one. this is the FIRST negative review i've ever done.

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

  • Andrea L.
  • 1/26/2012 3:42:10 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsQuite the Cooler

Pros: 775 Socket
Cheap
Efficient
Simply put it does it's job.
Price
Easy installation

Cons: No cool little LED that you will never use.

Other Thoughts: It keeps my core 2 quad cool at around 30 degrees. Under load MAYBE 50.

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