Wanted to do my "first post" to this board (long time lurker, first time poster), to share my own experience and guide others - so that their own upgrades are as easy and painless.
Just wanted to share my experience:
I received a used/refurbed MacPro 2009 from my work (free of charge), and decided to do some small investments in the system to bring it up to speed.
1. Flashed my 4,1 to a 5,1 via MacEFIRom's tool on netkas.org:
http://forum.netkas.org/index.php/topic,852.0.html
2. Purchased a W3580 (Quad Core Xeon 3.33Ghz) on Ebay, $299.00 incl shipping

3. Popped open the Processor Tray


4. Swapped the CPU

5. Added Cooling Paste

Just wanted to share my experience:
I received a used/refurbed MacPro 2009 from my work (free of charge), and decided to do some small investments in the system to bring it up to speed.
1. Flashed my 4,1 to a 5,1 via MacEFIRom's tool on netkas.org:
http://forum.netkas.org/index.php/topic,852.0.html
2. Purchased a W3580 (Quad Core Xeon 3.33Ghz) on Ebay, $299.00 incl shipping

3. Popped open the Processor Tray


4. Swapped the CPU

5. Added Cooling Paste

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