FrostyTech has posted a review on the Dynatron Model-638 Copper Heatsink

If you haven't already heard of Dynatron then you really don't know your performance heatsinks very well. While the Model 638 does indeed use thin-fin construction, it is not a Microfin heatsink. Microfins are the name given to a particular manufacturing process more commonly known as skiving. Dynatron's claim to fame, and the overclockers delight, was their ability to produce the tightest fin pitches currently available. Fin thickness is equally impressive at only 0.3mm on average.

Now, when we review heatsinks they generally get taken to pieces several times before the review is complete. Unfortunately I also removed the fan grill for a moment and the 38mm Delta managed to take a nice sized bite out of my finger in the process. That's real blood, and yes I know I should have put the damn grill back on before powering up the beast, but hopefully you'll learn the lesson I overlooked.

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