The Akasa AK-860SF is an economical socket AM2 or 939 AMD Athlon64 heatsink of the most basic sense. It's been a while since FrostyTech has seen a pure extruded aluminum cooler for a modern processor, and because there are no special copper inserts, heatpipes, fancy fans, or oversized anything... the Akasa AK-860SF heatsink is cheap and simple to use. It's thermal performance isn't particularly grand, but it should be satisfactory for AMD Sempron or any of the new lower wattage Athlon64's AMD is set to introduce.
The only downside the AK-860SF faces is a steady fan speed - another once common feature all but wiped from the face of most heatsinks. The 94mm spins at 2000RPM, which generates about 45 dBA according to our read world measurements. Given the recent advancements in Pulse Width Modulation controlled fans, or even thermally responsive fans it seems remarkable to move back to standard fans that run at constant speeds, even though this has been the norm in PC's for over 10 years.
The Akasa AK-860SF ships with a pre-applied patch of AK-455 thermal interface compound, instructions and cam-lever mounting brackets which are compatible with socket AM2 heatsink retention frames and socket 754/939/940 as well.
FrostyTech's K8 Test Methodology is outlined in detail here if you care to know what equipment is used, and the parameters under which the tests are conducted. Now let's move forward and take a closer look at this heatsink, its acoustic characteristics, and of course it performance in the thermal tests!
Since the Akasa AK-860SF is a pretty basic design, we're going to jump ahead and have a look at the cooler from all sides.
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