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Mac Pro Dual CPU Tray 8/12 Core 5,1 Complete Dual Processor Board Apple 639-0460 | eBay
2009 Mac Pro CPU & RAM Upgrade to 12 Core - 4,1 to 2010 5,1 Firmware - YouTube
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Mac Pro 5,1 Dual-CPU Tray Repair - YouTube
Mac Pro 2010 2012 5,1 Dual Processor Tray 3.46GHz Xeon X5690 12-Core up to 128GB | eBay
Mac Pro Dual CPU Tray 8/12 Core 5,1 Complete Dual Processor Board Apple 639-0460 | eBay
Mac Pro Dual CPU Tray 8/12 Core 5,1 Complete Dual Processor Board Apple 639-0460 | eBay
Mac Pro 5,1 Dual CPU Processor Board Complete 2010 2012 Apple 639-0460
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2009 Mac Pro (Dual 2.66GHz/ATI 4870/6GB RAM/640GB HD) Review and Info
2010-2012 Mac Pro 5,1 CPU Tray with 12-Core 3.46GHz Xeon and 96GB RAM | eBay
CPU Support Tray Single or Dual CPU Board Mac Pro A1289 Apple 076-1344
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