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Installation

The Eco A.L.C. comes with mounting kit for all the current sockets, but out of the box it fits the AM2/AM3 sockets. The mounting is very straight forward, just remove the plastic mounting bracket from your motherboard and tighten the ALC in place. Really the only problem here is that the rear support plate of the motherboards is rarely glued in place so while undoing the original bracket, the support plate can drop. Removing the mobo from the case is recommended.
Benchmarks
For benchmarking we fired up our Phenom II X4 965 BE C3 test bed. All the coolers were installed using the same Zalman TIM and all the tests were ran right after the installation, so for none of the tests the TIM had any significant curing time. The temperature tests were ran on an open test bench, so all the coolers shared the same ambient temperature of 26°C.

The first test was obviously just to install the coolers and see how they cope with the stock 965 BE. At idle the Zalman wins by one degree, but the difference here is negligible. Under load the Zalman still takes the lead, this time by a margin of four degrees to the Corsair and five to the ECO A.L.C.

Anyway we couldn't stop it there as the Zalman has clearly the most powerful fan of the bunch and at full speed is very, very loud, we decided to re-run the same test using the same Nexus D12SL-12 fan on all of the coolers. The Nexus fan is a rather popular one amongst silent PC enthusiasts, so not only does it hilight the differences of the heatsinks rather than fans, it also gives us an idea of how all these coolers perform if you swap the fan for a genuinely quiet one.
As expected, the Zalman's good performance was due to the very powerful fan, and its loaded temperature shot up by five degrees after swapping the fan. Despite this, it still scores the best result, winning the Corsair by one degree and CoolIt by four.
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