Advice please cooler for the Q9550 processor in building Ascot 6XR8. Motherboard Gigabyte EP45-DS4. Standing now budget GlacialTech Igloo 5063, alas, unable to cope.

On the computer do most numerical calculations, so the download is 100% within a few days - a typical situation. If you load only one nucleus Igloo stops cope:

What to advise?