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Dynatron > 
Item#: N82E16835114104

Dynatron K987 92mm Ball CPU Cooler

  • At Duty Cycle 0~20%: 900 RPM At Duty Cycle 50%: 1700 RPM At Duty Cycle 100%: 2800 RPM
  • At Duty Cycle 0~20%: 15.1 CFM At Duty Cycle 50%: 30.9 CFM At Duty Cycle 100%: 46.96 CFM
  • Aluminum Radial Fin He
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Learn more about the Dynatron K987

Quick Info

Warranty

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


Customer Reviews of the Dynatron K987

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  • Doug B.
  • 1/30/2015 5:59:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsRound two

Pros: In my initial review, I had installed this on a very low end Biostar socket 775 MATX motherboard. I said the fan was too loud, and it was. The board had a four pin CPU fan header, and this cooler was plugged in to that header. When I would power on the PC, the fan started off loud, and stayed that way. I searched for a setting in the BIOS regarding temperature controlled fan speed, and found nothing. I decided that the problem was probably in the fan.

Because of other issues, I picked up a used Asus P5K Premium as the basis for my HTPC. I recently decided that I would pull this cooler out and do an experiment. Without going to all of the trouble of installing it, I just hooked the fan up to the CPU fan header and powered it on. The fan was still loud. I checked the BIOS settings, and this time there was a setting for temperature controlled fan speeds. Once I enabled that, the fan on this unit slowed down to a speed at which it was very quiet!

So I'm revising my review. Once I come up with some thin double sided tape, I'll be installing this again, and giving the stock Intel cooler the boot.

Cons: You have to come up with some thin double sided tape for the back plate if you want to swap this from one motherboard to another.

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  • Addison S.
  • 7/28/2014 10:19:00 PM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsWorks, but so loud

Pros: It's a non-stock LGA 1366 Cooler, those are tough to find nowadays
Uh... it keeps my CPU cool.

Cons: SO LOUD
It's probably because my case has a lot of mesh to help with air flow, but SO LOUD

Other Thoughts: There aren't a lot of options for CPU coolers for older CPU's, but man this thing is loud. However, it gets the job done and it's cooler a computer that has become the secondary/kids computer in the home, so I can't complain too much.

Did you find this review helpful? Yes No

  • Doug B.
  • 1/26/2014 6:56:33 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsToo loud for HTPC

Pros: Still better than the stock Socket 775 mounting system

Cons: Louder than stock cooling.

Other Thoughts: I've never really liked the stock mounting setup on Intel 775 CPUs. I've found them to be difficult to both install, and remove. I thought I'd give this a try. Removing your motherboard from the case is required to install the backplate. You have to peel a protector off the backplate to expose the sticky double sided tape, but mine didn't want to come off; it finally did, but it left a bit of bare metal exposed on the backplate. This made me a little nervous, but after I finished the mounting job, the computer fired right up. You know it's working, because you can hear the fan across the room. This is for a knock together PC that I'm planning on using as an HTPC, with an E8500 at stock speed. I just wanted a CPU cooler that had a better mounting system than the stock one. While this has that, it's quite a bit louder than the stock cooler If there is a decibel rating in the specs, I missed it.
Taking it back off to go back to stock was not easy; the tape had a good grip on my motherboard, and I had to pry the backplate off very carefully. I'll probably use this on something where the noise isn't too big of a concern, but now I have to come up with some very thin double sided tape in order to use the 775 backplate again.

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  • Greg S.
  • 1/20/2014 12:33:56 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsCu Core; fan speed doesn't "hunt"

Pros: Love the screw type hold downs. Very positive. I do much CPU swapping, so the Intel push-pin type aren't built for that. Cu core and the fan speed doesn't go up & down !
It stays constant.

Cons: This screw type takes a little longer to change out, but the time is always positive instead of having to re-stall the pushpin type to get them ALL seat tightly.

Other Thoughts: I thought my motherboard was why the prior HS/Fan this unit replaced would hunt for the correct fan speed as I would hear it going up & down. That drives me nuts. So it's the better Cu core being more consistent and/or this fan isn't OVER sensitive to the temp changes

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

  • David V.
  • 1/8/2014 2:28:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsworks well

Pros: fit on my existing 1366 backplate. dropped my temps by 20c. very quiet compared with the stock dell cooler

Cons: the included thermal paste seemed cheap--I probably would have been better to use my arctic silver but I couldn't find it and I was impatient.

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  • Roger T.
  • 9/10/2013 12:16:34 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

5 out of 5 eggsgreat but

Pros: great design but I'm not an intel user. this is however a well made heatsink, I just wished Dynatron would come out with a socket FM2 version and I'd buy it in a heartbeat.

Cons: no FM2 mounting hardware.

Other Thoughts: great fan for intel users, just wished they had a AMD version.

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

  • JOHN H.
  • 6/21/2013 7:13:08 AM
  • Tech Level: Average
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Replacement Cooler

Pros: Twice the size of the original Intel cooler.
Variety of mounting plates. - NO SNAP PINS
Very Quiet
Cheap price

Cons: Not for serious overclocking.

Other Thoughts: Using 2 - Intel Core 2 Duo E 8600
Intel I7-4770K
Both are performing very well and quiet.

Did you find this review helpful? Yes No

  • Matthew W.
  • 11/8/2012 1:26:55 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggs

Pros: Cheap, Super Quiet, Has a backplate instead of the just using the regular 775 mount.

Cons: None!

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

  • Kevin B.
  • 10/13/2012 7:15:43 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood as it gets!

Pros: Came ready to install, No worries!

Cons: None

Other Thoughts: Works as required

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  • Ryan A.
  • 4/26/2012 11:40:54 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGood cooler

Pros: Has over twice the mass of the stock heatsink and the copper core has more contact surface. The backplates are easy to install. Keeps my i5 2500k@4.4 below 65C under load.

Cons: None

Other Thoughts: I used Tuniq TX-2 instead of the included thermal compound.

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

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Item#: N82E16835114104
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