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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 128GB
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

2006
Dual-Core
2.0GHz/2.66GHz/3.0GHz
2007
Quad-Core
3.0GHz
667MHz ECC
Model ID: MacPro1,1 & MacPro2,1 | How to Find
View
2009
Quad-Core
2.66GHz / 2.93GHz / 3.33GHz
8-Core
2.26GHz / 2.66GHz / 2.93GHz
1066MHz ECC
Model ID: MacPro4,1 | How to Find
View
2010-2012
Quad & 6-Core
2.8GHz / 3.2GHz / 3.33GHz
8 & 12-Core
2.4GHz / 2.66GHz / 2.93GHz / 3.06GHz
1333MHz and 1066MHz ECC
Model ID: MacPro5,1 | How to Find
View
Learn how to find MHz Speed  |  Model ID
Mac Pro Memory Information
  • Up to 128GB 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.
1333MHz & 1066MHz ECC Mac Pro
Memory Information
  • Up to 128GB of Total Memory
  • 4 or 8 Total Slots
  • Apple Specified Thermal Sensor
  • DDR3 PC3-10600 ECC 1333MHZ or PC-8500 ECC 1066MHz
  • 72 Bit (64 bit + 8 bit ECC)
  • High-Performance Multi-Channel
Apple Mac Pro "Nehalem" & "Westmere" models utilize high-performance multi-channel memory addressing that benefits from the installation of matched memory sets.
1066MHz ECC Mac Pro
Memory Information
  • Up to 128GB of Total Memory
  • 4 or 8 Total Slots
  • Apple Specified Thermal Sensor
  • DDR3 PC-8500 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).
2008
Quad-Core
2.8GHz
8-Core
2.8GHz/3.0GHz/3.2GHz
800MHz ECC
Model ID: MacPro3,1 | How to Find
View
OWC 4GB modules require that all installed modules be of the same p/n OWC 4GB modules. Other existing Apple or 3rd party 1GB, 2GB, 8GB and 16GB modules are not supported for use with these kits and need to be removed when these modules are added.
OWC 8GB modules require that all installed modules be of the same p/n OWC 8GB modules. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 16GB modules are not supported for use with these kits and need to be removed when these modules are added.
OWC 16GB modules require that all installed modules be of the same p/n OWC 16GB modules. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 8GB modules are not supported for use with these kits and need to be removed when these modules are added.
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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.
*16GB Module Sets require that all installed modules be of the same p/n OWC 16GB modules. 16GB modules do not mix with other density (1GB, 2GB, 4GB or 8GB) module types.

**Current Mac OS X versions are unable to utilize more then 96GB RAM due to an operating system limitation. 128GB can be fully utilized by a 2009-2010 Mac Pro if running Bootcamp with 64-bit versions of Windows XP and later as well as with 64-bit versions of Linux.
Quad-core
8-core
2.26GHz / 2.66GHz / 2.93GHz / 3.33GHz
DDR3 ECC 1066MHz
PC3-8500
*16GB Module Sets require that all installed modules be of the same p/n OWC 16GB modules. 16GB modules do not mix with other density (1GB, 2GB, 4GB, or 8GB) module types.

**Current Mac OS X versions are unable to utilize more then 96GB RAM due to an operating system limitation. 128GB can be fully utilized by a 2009-2010 Mac Pro if running Bootcamp with 64-bit versions of Windows XP and later as well as with 64-bit versions of Linux.
1GB Modules
Ships: Same Day
2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
2.0GB $67.99
4.0GB $134.99 $117.99
6.0GB $199.99
8.0GB $259.99 $229.99 $279.99
12.0GB $339.99
16.0GB $449.99 $554.99
24.0GB $829.99
32.0GB $1,099.99
1GB Modules
Ships: Same Day
2GB Modules
Ships: Same Day
4GB Modules
Ships: Same Day
2.0GB $54.99
4.0GB $109.99 $99.97
6.0GB $163.99
8.0GB $217.99 $197.99 $209.99
12.0GB $293.99
16.0GB $389.99 $417.99
32.0GB $819.99
Get up to 16TB
of Internal Storage
More SATA HD Storage For your Mac Pro! Install up to 4.0TB per Bay = 16.0TB Internally + External options too! from $59.99
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
OWC Memory has been fully tested to be 100% compatible with all Apple Firmware versions including the latest updates.
Return Policy for Memory Products
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