HardwareSecrets concludes this is the worst CPU cooler they've tested to date.

We tested a low-profile CPU cooler from Thermaltake, the SlimX3, which has an 80-mm fan and two heatpipes.

Here is a snippet: "The Thermaltake SlimX3 is, as its name suggests, a low-profile CPU cooler with two heatpipes and an 80-mm fan. Let's see if it can cool our CPU."



Link: HardwareSecrets