Ohls-place has posted a review on the Titan Cooling Extender TTC-ALC3

We try our best to cool our case while our systems are running, but the moment the power is switched off the heat is not. For a few minutes the heat sink is going to work as hard as it has ever worked trying to cool off your processor that is still extremely hot, but without the aid of the fan sitting on top of it.. Titan has come up with what they hope will help cool your system with the aid of their Cooler Extender, it will allow 5 minutes of additional cooling to help your system cool to a more normal state.

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