What did I gain from all this?

Not much. A cooler CPU and a few more MHz overclocking on my PIII 550. I was already running air cooled at 645 before, so not much exciting in the way of overclocking. Keep in mind that I'm not super-cooling with Peltiers or anything. My CPU temperature depends totally on the water temperature. What I have noticed so far is when the CPU is idling it idles at the same temperature as the water temperature, and when it's running it runs around 20 degrees (Fahrenheit) hotter. Whether this is good or bad, I don't know. This is my first attempt at water cooling.

Water temp is 15 degrees C at idle.


Water temp at 15 C - CPU Idle is off.


Water temp at 12 C - CPU Idle is on, A/C is on.


Water temp at 12 C - CPU Idle is off, A/C is on.


Water temp at 23 C - CPU Idle is off, A/C is off.

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