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Memory Upgrades

Qualified for Apple Mac Pro

All OWC Memory for Mac Pro is built with the best components and fully tested and backed by OWC's industry leading lifetime advance replacement Warranty. Exclusive OWC Installation Videos show how easy it is to upgrade your Mac Pro too! Watch Videos PDF Manual
Mac Pro
up to 64GB
Fully Buffered
DDR2 / DDR3 SDRAM ECC Memory Sets

Trade in your memory for additional savings
Memory performance Why do I need more RAM?

Select your Mac Pro System & Memory

667MHz ECC
Dual-Core (2006)
2.0GHz / 2.66GHz / 3.0GHz
Quad-Core (2007)
3.0GHz
Model ID: MacPro1,1 & MacPro2,1
View
800MHz ECC
Quad-Core (2008)
2.8GHz
8-Core (2008)
2.8GHz / 3.0GHz / 3.2GHz
Model ID: MacPro3,1
View
1066MHz ECC
Quad-Core (2009)
2.26GHz / 2.93GHz / 3.33GHz
8-Core (2009)
2.26GHz / 2.66GHz / 2.93GHz
Model ID: MacPro4,1
View
Learn how to find MHz Speed  |  Model ID
Mac Pro Memory Information
  • Up to 64GB of Total Memory
  • ECC (Error Correcting)
  • 72 Bit (64 bit + 8 bit ECC)
  • High-Performance Multi-Channel
Apple Mac Pro "Nehalem" Models utilize high-performance Multi-Channel Memory addressing that benefits from the installation of matched memory sets. Memory upgrades are done using matched sets of same size modules.
1066MHz ECC Mac Pro
Memory Information
  • Up to 64GB of Total Memory
  • 4 or 8 Total Slots
  • Apple Specified Thermal Sensor
  • DDR3 PC8500 ECC 1066MHZ
  • 72 Bit (64 bit + 8 bit ECC)
  • High-Performance Multi-Channel
Apple Mac Pro "Nehalem" Models utilize high-performance Multi-Channel Memory addressing that benefits from the installation of matched memory sets. Memory upgrades are done using matched sets of same size modules.
800MHz ECC Mac Pro
Memory Information
  • 8 Total Slots, 32GB Supported
  • Must Upgrade using Matched Pairs
  • DDR2 240 Pin Fully-Buffered DIMM
  • 72 Bit (64 bit + 8 bit ECC)
  • Mac Pro Specific Heatsink on Module
  • Four or More FB-DIMMs installed provides for best performance
FB DIMM technology takes advantage of multiple channel access. Apple recommends the use of 4 or more modules to take advantage of this 256-Bit Wide memory architecture. Modules must be installed in pairs, each module is 64 Bits Wide + 8 Bits for Error Correction (ECC).
667MHz ECC Mac Pro
Memory Information
  • 8 Total Slots, 32GB Supported
  • Must Upgrade using Matched Pairs
  • DDR2 240 Pin Fully-Buffered DIMM
  • 72 Bit (64 bit + 8 bit ECC)
  • Mac Pro Specific Heatsink on Module
  • Four or More FB-DIMMs installed provides for best performance
FB DIMM technology takes advantage of multiple channel access. Apple recommends the use of 4 or more modules to take advantage of this 256-Bit Wide memory architecture. Modules must be installed in pairs, each module is 64 Bits Wide + 8 Bits for Error Correction (ECC).
Please select a Mac Pro system above to view memory options
OWC Memory for Apple Mac Pro models
  • Fully meets and/or exceeds both JEDEC and Apple Design Specifications including use of specific required heat-shield and chip components.
  • Rigorous in-house lab testing ensures superior quality, compatibility and reliability.
  • OWC MaxRAM Memory Certification determines the maximum amount of memory for your Mac which exceeds Apple's officially supported maximums.
You can count on OWC to consistently deliver on high quality dependable memory.
2.0GB
4.0GB
6.0GB
8.0GB
12.0GB
16.0GB
24.0GB
32.0GB
48.0GB
64.0GB
  Quad-Core (2009) - 1066MHz ECC 8-Core (2009) - 1066MHz ECC
4GB Module sets require that all installed modules be of the same kind OWC 4GB module (p/n OWC8566D3MPE4GB).
8GB Module sets require that all installed modules be of the same kind OWC 8GB module (p/n OWC8566D3MPE8GB).
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2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
Special Note
8GB Modules
Ships: Same Day
Special Note
2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
Special Note
8GB Modules
Ships: Same Day
Special Note
2.0GB $71.99 $71.99
4.0GB $152.99 $152.99
6.0GB $214.99
8.0GB $284.99 $379.99 $284.99 $379.99
12.0GB $457.99 $424.99 $457.99
16.0GB $609.99 $559.99 $609.99
24.0GB $1,125.99 $909.99
32.0GB $1,497.99 $1,199.99
48.0gb $2,229.99
64.0gb $2,954.99
1GB Modules
Ships: Same Day
2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
2.0GB $89.99
4.0GB $179.97 $149.99
6.0GB $267.99
8.0GB $349.99 $299.99 $327.99
12.0GB $447.99
16.0GB $595.99 $649.99
24.0GB $959.99
32.0GB $1,267.99
1GB Modules
Ships: Same Day
2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
2.0GB $69.99
4.0GB $139.97 $137.99
6.0GB $209.79
8.0GB $274.99 $269.99 $312.99
12.0GB $399.99
16.0GB $529.99 $624.99
32.0GB $1,237.99
Get up to 8TB
of Internal Storage
More SATA HD Storage For your Mac Pro! Install up to 2.0TB per Bay = 8.0TB Internally + External options too! from $47.99
Click for details
OWC
Warranty
OWC Memory is Backed by a 30 Day Money-Back Guarantee and a Lifetime Advance Replacement. Warranty/Guarantee. Click for details
What to do with
the replaced memory?
OWC will give you a trade in rebate when you send us the Apple Memory you have replaced with upgrades from Other World Computing. Trade in rebates available within 60 days of purchase. Click for details
Free Do It Yourself
Installation Videos
Our helpful memory installation video makes upgrading your Mac Pro an easy, at-home process.
Click for details
Toolkits Starting at $4.99 Includes the right size tools needed to install memory and/or hard drives into most computers. Click for details
Tool Kit
Xserve
Looking for Apple Xserve Memory Upgrades? Click here
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