OTHER WORLD COMPUTING 

OWC85MP3S9M128K Other World Computing - DDR3 - kit - 128 GB: 8 x 16 GB - DIMM 240-pin - 1066 MHz / PC3-8500 - CL7 - 1.5 V - unbuffered - ECC - for Apple Mac Pro (Early 2009, Mid 2010)

Mfg Part Number:  OWC85MP3S9M128K  
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Price: $615.73 + Free Shipping
Quantity:
More to Come
Last Updated: Jan 26, 2026
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OWC Memory. Built for Macs + PCs. | Experience your computer's true performance potential | Improve System Speed

.OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac or PC's full potential, and speed up overall responsiveness.

More Apps. More Files

Become a multi-tasking maven when you upgrade your Mac or PC with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time.

Save $$ vs Factory

Save BIG vs factory memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs.

Lab Tested Compatibility

We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is built-to-last.

Lifetime Warranty

We built your OWC Memory upgrade to meet or exceed the toughest industry specs to provide years of worry-free service.

Step-by-Step Videos

Our detailed install videos guide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.

Experience the OWC Difference

Rely on the trusted name for memory upgrades, drives and accessories for over 30 years. Your OWC Memory upgrade was built by Mac and PC people, for Mac and PC people. Our expert support team is always a call or click away. You can talk to an actual human who will kindly provide advice and guidance for any questions you may have.

Main Specification
General Information
Manufacturer Other World Computing
Manufacturer Part Number OWC85MP3S9M128K
Manufacturer Website Address https://www.owc.com/
Brand Name OWC
Product Name Memory Upgrade Module
Packaged Quantity 8
Product Type Memory Upgrade Module
Technical Information
Memory Size 128 GB
Memory Technology DDR3 SDRAM
Memory Voltage 1.50 V
Number of Modules 8 x 16GB
Memory Speed 1066 MHz
Memory Standard DDR3-1066/PC3-8500
Memory Rank Dual-rank
Error Checking ECC
Signal Processing Registered
CAS Latency CL7
Device Supported Mac Pro
Device Supported Xserve
Device Supported MAC
Device Supported Server
Device Supported Desktop PC
Physical Characteristics
Number of Pins 240-pin
Form Factor DIMM
Miscellaneous
Compatibility
  • Apple Mac Pro (Mid 2010)
  • Apple Mac Pro (Early 2009)
  • Apple Xserve Xeon (Early 2009)
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Warranty
Limited Warranty Lifetime
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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