Genuine Apple Mac Pro 5,1 dual-processor CPU tray assembly, complete with two Intel Xeon X5675 processors, original Apple heatsinks, and 32GB SK hynix ECC DDR3 memory.

This assembly was removed from a Mac Pro and individually tested in a compatible Mac Pro 5,1 workstation using Ubuntu Linux.

Specifications:

• Apple Board Part Number: 639-0460

• Compatibility: Mac Pro 5,1 (Mid 2010 / Mid 2012)

• Processors: 2 × Intel Xeon X5675

• Processor Speed: 3.06 GHz

• Total Cores: 12 (6 per processor)

• Total Threads: 24

• Memory: 32GB DDR3 ECC (8 × 4GB)

• Memory Manufacturer: SK hynix

• Includes both original Apple processor heatsinks

Testing Performed:

• Successfully booted Ubuntu Linux

• Both physical processors recognized

• All 12 cores and 24 threads detected

• All 32GB of ECC RAM recognized

• No illuminated memory diagnostic fault LEDs following memory reseating

• Completed a 300-second CPU stress test using stress-ng

• All 24 CPU workers passed

• Zero reported stress-test failures

• No crashes or unexpected shutdowns during testing

Actual testing screenshots are available upon request.

Physical Condition:

Good used condition with minor cosmetic marks consistent with normal use and age. Please review all photographs for the exact condition of the assembly.

Included:

• Apple dual-processor CPU tray assembly

• 2 × Intel Xeon X5675 processors (installed)

• 2 × Apple CPU heatsinks (installed)

• 32GB ECC DDR3 RAM (installed)

No Mac Pro chassis, graphics card, hard drives, or other accessories are included.

Compatibility Notice:

Intended for compatible genuine Mac Pro 5,1 systems (2010–2012). Not intended as a direct replacement for a 2009 Mac Pro 4,1 processor tray. Buyers should verify system and SMC compatibility before purchasing.

The actual item pictured is the exact assembly you will receive.

Professionally inspected and tested by Wildomar Labs.