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16.0GB OWC Memory Upgrade Kit

Matched pair, perfect for the Mac Pro 8-core / Quad-core Xeon systems!
Memory Image
Product Specs:
OWC Memory for Mac Pro Quad Xeon fully meets Apple's specifications with special attention to proper thermal specifications.
Memory Trade in
Save money by trading in your original chips! View available memory rebates.
From the purchase date of qualifying memory from OWC, you have 60 days to trade-in your old memory for a cash rebate!
Just fill out OWC's online rebate form or contact OWC Customer Service after you receive and install your new memory.
OWC is proud to offer the best possible Mac Pro Memory solutions available.
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Pictured above: Proper Apple Qualified heat-spreaders.
See the difference between
Apple's qualified modules and those that are not!
Premium Quality Modules fully Mac Pro Qualified and backed by OWC Memory Lifetime Limited Warranty including Advanced Replacement Program.

These OWC memory modules fully meet/exceed Apple's Mac Pro Quad & 8-Core Xeon model memory specifications. Utilization of qualified Apple Mac Pro Heat-Spreaders, Apple Qualified IDT AMBs, and the best major brand memory components ensure maximum performance and trouble-free operation. Modules are fully tested prior to shipment.


Apple specifically designed the Mac Pro with more space between each slot to accommodate the Apple Proprietary Heat-Spreader for thermal requirements. Use of Apple's spreader solution and the highest grade, thermally tolerant components ensure that these Mac Pro Quad Xeon Memory Upgrade Kits will provide a lifetime of reliable and trouble-free operation.

Apple notes that using parts with a non-Apple standard heat-spreader and which only meet JEDEC standard specifications can result in higher fan speeds due to increased internal temperatures and system controlled reduction of memory performance to prevent thermal overload. OWC's testing has found that use of non Apple qualified spec modules leads to ECC errors and ultimate system lock ups as non-spec modules reach significantly higher temperatures.

Two well known memory manufacturers originally listed their own JEDEC standard modules as being Mac Pro compatible. Within days of doing so, each removed this compatibility support after reports and testing which made clear JEDEC standard modules were not reliable in the Mac Pro. It is very disappointing that many other memory providers continue to list and misrepresent such JEDEC modules (lacking the proper heat-spreader) as being correct for the Mac Pro.

The Apple Mac Pro is an amazing machine. Memory from OWC only makes it better!
This OWC Memory is compatible with... Learn how to find your Mac's model ID or PC specs
Mac Pro
Mac Pro (Early 2008)
(January, 2008)
Model ID: MacPro3,1
2.8GHz, 3.0GHz, 3.2GHz

Customer Ratings

Write a Review 5 / 5 3 out of 3 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: SAHDIGITAL Location: HANTSPORT CANADA Age: 35-44 Experience Level: IT Professional Owned Product: 1-3 months
Rating: 5/5 The Only Memory we trust in our Macs August 22, 2016 The Only Memory we trust in our Macs. Perfect Match!

I would recommend this item to a friend! Customer Videos:

Verified Buyer
Reviewer: Anonymous Location: Maryland Experience Level: IT Professional Owned Product: 3-4 months
Rating: 5/5 Solid RAM Upgrades December 28, 2015 I wouldn't go anywhere else.

I would recommend this item to a friend!

Verified Buyer
Reviewer: Anonymous Location: Mexico Age: 45-54 Experience Level: IT Professional Owned Product: less than a month
Rating: 5/5 It works!!! May 2, 2014 Well it really works on my Mac Pro 2008, even though the documentation says that the maximum size for each DIMM must have to be 8 GB.

I would recommend this item to a friend!

OWC Memory 16.0GB 2 x 8.0GB Kit PC6400 DDR2 Mfr P/N: 64FB8MPK16GB MacSales.com SKU: OWC64FB8MPK16GB OWC Memory Upgrade Kit Lifetime OWC Limited Warranty Ships: Same Day Only $219.98Matched Kit for $199.99
Add to CartOther World Computing 64FB8MPK16GB In Stock, Click to Buy Now