SPECS:
• Mac Pro 2009 (4,1) Dual CPU Tray
• 2x 4-Core Intel "Gainestown" Xeon E5520 2.26ghz De-Lidded CPU, 8-Cores 16-Threads total
• 32GB ECC DIMM DDR3-1600 RAM (4x 8GB, reads as 1066mhz)
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TESTING: This is a used tray this shows light dust and age. It was pulled from a fully functional unit and was tested for good thermals and for functionality of CPUs and RAM using MacOS 10.13 High Sierra and Cinebench R20.
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TERMS: This CPU tray upgrade requires the buyer to have a 2009 4,1 model. This tray was tested in a "flashed" 4,1 tower using 10.13 High Sierra with the assumption that someone upgrading their single tray Mac Pro will also be performing the 4,1->5,1 flash.