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OWC Memory Upgrades For Mac Pro (2009)

Up to 128GB memory

Works with the following Model IDs

  • MacPro4,1
  • Rigorously in-house lab tested
  • Easy DIY install videos
  • OWC MaxRAM Certification
  • Lifetime advanced replacement warranty

OWC Memory

Available for Quad-Core and 8-Core machines

  • This Mac has four or eight available memory slots.
  • Install in pairs for best performance.
  • High performance multi-channel memory.
  • Backed by an OWC Limited Lifetime Warranty.
16GB Module - Buying options

1066MHz DDR3 PC3-8500 ECC Registered

Apple Mac Pro "Nehalem" & "Westmere" models utilize high-performance multi-channel memory addressing that benefits from the installation of matched memory sets

Install Videos

Our step-by-step installation videos guide you through upgrading your Mac, iPhone, iPad or iPod.

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Solid State Drives

Shop SSD specifically for your Mac Pro Experience the true speed of your mac with an OWC SSD flash storage upgrade. Select your Model ID below.


OWC Upgrade Service

Upgrade your Mac with certified professional installationNot comfortable working on your own machine? Let our expert technicians upgrade it for you. Quick, easy, and backed by OWC.

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OWC Upgrade Service