[KayBee]

Hi All,

In case others are interested, I did some measurements and posted a separate thread here. I took measurements of my Octane in three states and two positions:

1. stock Octane, measured from front and top
2. Octane with restrictive aluminum baffle removed and HDD fan changed, measured from front and top
3. as above with stock Cherokee fan replaced with Scythe, measured from front and top

The changes made a big difference. I followed JacquesT lead with fan choices. His post on silencing an Octane is great and my octane is quieter than my sons PC.

Caveats: 
1. Removing the restrictive front baffle plate exposes some points with nasty powerful electricity. I will operate with the front cover on all the time and actually will probably 3d print small caps to go over the pairs of posts (being sure to unplug and drain all power from the machine first)
2. My machine is now a single R12k 400, with SE Graphics, 1 HDD and no PCI cards, so the load on the machine seems to agree with the fan choices. I'll reduce the load further when I get the SCSI2SD working.

Cheers cool people.

KB