I want to share with you this information. I found why the hard drive led (green cylinder) was on 99% of the time. It will be on during the first 4 and more hour of operation. The raid array is in background initialisation. So it's normal.
It may not fit and the power supply would need to be updated. 79xx cards can be 10 to 12 inches long and 2 slots wide and require 750W or better power supply with 2x PCI-E power connections.
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