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Dynatron > 
Item#: N82E16835114088

Dynatron T667 60mm 2 Ball CPU Cooler

  • 4500 RPM
  • 25.8 CFM
  • Copper Base & Aluminum Fins with Heatpipes embedded
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Learn more about the Dynatron T667




Fan & Heatsinks
Fan Size
Intel Xeon 5500 Series Nehalem EP Processor Socket LGA 1366 processor X5570, X5560, X5550, E5540, E5530, E5520, E5506, E5504, E5502, L5520, L5506 for 2U Server & Up
Bearing Type
2 Ball
4500 RPM
Air Flow
25.8 CFM
Noise Level
18~35 dBA
Power Connector
Pin1-Black (-)
Pin2-Yellow (+)
Pin3-Green (Techometer/Signal output)
Pin4-Blue (PWM)
Heatsink Material
Copper Base & Aluminum Fins with Heatpipes embedded

Physical Spec

Fan Dimensions
60 x 60 x 25 mm
Heatsink Dimensions
90.0 x 90.0x 64.0 mm
500 g


ASUS Server Motherboard Compatibility:
Z8NA-D6, Z8NR-D12, Z8NE-D12, Z8PE-D12, Z8PE-D12X, Z8PE-D18

Manufacturer Warranty

1 year limited
1 year limited

Quick Info


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

Customer Reviews of the Dynatron T667

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  • Christopher L.
  • 8/21/2013 11:26:58 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsNo mating mounting bracket..

Pros: fan works

Cons: No bracket to screw heat sink too...
You should include it in your comments..
Or recommend a part is needed to complete..
Bought 10 ... now have to spend more money for the mounting bracket..

Other Thoughts: How about including everything to mount his product..!!!!

Did you find this review helpful? Yes No

  • mathew f.
  • 4/8/2012 7:10:39 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsServer fans, how I (don't) love them

Pros: Gets the job done and these are quiet if your board throttles them and the system is fairly idle.

Good height to fit into almost any case.

Cons: When they run to full RPM they are loud. I say 'they' because I have 2 of them in my tower.

Other Thoughts: These are more then enough to cool my Xeon e5645's and allow them to naturally overclock from 2.4Ghz to 2.9GHz per core continuously. Maybe just barely, but it gets it done without an overheat.

Did you find this review helpful? Yes No

  • Jared K.
  • 2/1/2012 6:51:06 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsDoes not include a bracket!

Pros: Dynatron makes excellent quality heatsinks. I've bought over a hundred Dynatron heatsinks in the last few years. Never this model before, though...

Cons: I was shocked when I opened the box and discovered this heatsink does not include a bracket to mount it to the motherboard. I had to order brackets separately.

Every other Dynatron heatsink I've ever bought included a matching bracket. It's a huge inconvenience. I understand that Dynatron probably wants to cut costs, but they should make a point of letting the customer know before they buy so the customer can plan. I had to halt my system build until the brackets arrive.

Other Thoughts: This would normally be a 5-star product.

Did you find this review helpful? Yes No

  • Karthik M.
  • 5/25/2009 2:33:15 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsUsed with Dual Xeon E5520s

Pros: Compact size
Solid build
Quiet at low RPMs

Cons: Has to be run at low RPMs in order for it to be quiet. This means very (VERY) high idle temperatures. My Xeon 5520s idle anywhere between 75 and 80C, which is ridiculously high compared to my old Q6600 quad-core with a stock cooler, which idled at 40C. The fan dynamically ramps up to higher RPMs when using the cores and is able to maintain the temperature close to 80C. I write simulation code with OpenMP parallelization and typically fully load all cores for multiple days on end, and so far the fans have been able to maintain the temperature around 80C.

Other Thoughts: I'm using the Asus Z8NA-D6C dual Xeon ATX motherboard and was forced to buy these coolers due to space considerations.

Overall the product appears to be of excellent quality. If quiet & cool is important compared to only quiet, go with some other heatsink+fan.

8 out of 8 people found this review helpful. Did you? Yes No

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Home > 
Computer Hardware > 
Fans & PC Cooling > 
CPU Fans & Heatsinks > 
Dynatron > 
Item#: N82E16835114088
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