- Look at the computer’s configuration label, which is located on the computer’s back panel directly below the video ports.
- Two numbers on the configuration label identify the computer as an 8-core Mac Pro:
• On the first line of the label, the EMC number is listed as “2138”
• On the second line, the configuration description includes “3.0_8cx”

Use System Profiler or About This Mac in Mac OS X
The About This Mac window in Mac OS X shows a processor type of "2 x 3 GHz Quad-Core Intel Xeon" on 8-core Mac Pro computers. System Profiler displays "Quad-Core Intel Xeon" for the processor name and the total number of cores as 8.
Serial number location
The serial number is located on the configuration label, directly below the configuration description (or you can see the serial number with System Profiler in Mac OS X).
