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32.0GB 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.
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 (8-core)
(April, 2007)
Model ID: MacPro2,1
Mac Pro
Mac Pro
(August, 2006)
Model ID: MacPro1,1
2.0GHz, 2.66GHz, 3.0GHz

Customer Ratings

Write a Review 5 / 5 1 out of 1 (100%) reviewers would recommend this product
Verified Buyer
Reviewer: Anonymous Location: Brussels Age: 45-54 Experience Level: Power User Owned Product: less than a month
Rating: 5/5 Allright July 20, 2014 I'm quite satisfied by the OWC service. I had what I thought an issue with the RAM and wrote an email to OWC, I got no answer, but to be honest I wrote in that email, that I would investigate about the failure, maybe that's why they did not answered. Anyway, my problem is not related to the RAM I bought and everything is OK. It was carefully packed to me in Europe and arrived safe in Belgium.

All in all I'm satisfied


I would recommend this item to a friend!

OWC Memory 32.0GB 8 x 4.0GB Kit PC5300 DDR2 Mfr P/N: OWC53FB4MPK32GB OWC SKU: OWC53FB4MPK32GB OWC Memory Upgrade Kit Lifetime OWC Limited Warranty Ships: Same Day Only $359.92Matched Kit for $279.99
Add to CartOther World Computing OWC53FB4MPK32GB In Stock, Click to Buy Now