48GB OWC Memory Upgrade Kit

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48GB OWC Memory Upgrade Kit

3 x 16GB PC8500 DDR3 ECC-R 1066MHz DIMMs for Mac Pro 'Nehalem' & 'Westmere' 4-Core and 8-Core (all 2009 and later Mac Pro models). May Not be mixed with other modules - see description


Mfr P/N: 8566D3Q16M48 OWC SKU: OWC8566D3Q16M48

Memory Built by Mac People, for Mac People (and PC too), for Over 30 Years

  • OWC p/n OWC8566D3MPQ16GB 16GB modules require that all installed modules be of this same matching part. Other existing Apple or 3rd party 1GB, 2GB, 4GB and 8GB modules are not supported for use with this kit and need to be removed when this kit is added.
  • 48GB is the maximum and only OWC Certified & Recommended 16GB Module based config for 4-Core and 6-Core Mac Pro models. Although other memory configurations are possible, these provide maximum performance. Other memory configurations utilizing this OWC 16GB module are NOT supported for these Mac Pro models and use of such may result in impaired system performance.
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Overview

OWC Memory for Mac & PC

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.

OWC Logo

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.

Being helpful and treating others the way you would want to be treated is not just a novel idea. It’s how we do business. It's how we’re built. It's what we’ve been doing since 1988.

IncludesIncludes

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  • (3) 16GB PC8500 1066MHz DDR3 DIMM memory modules
  • Lifetime OWC Limited Warranty

    Data Rate

    • 1066MT/s

    I/O Clock Speed

    • 533MHz

    Registration

    • Registered

    Error Correction

    • ECC

    Cycle Time

    • 1.875 ns

    Form Factor

    • DIMM

    Type of Memory

    • DDR3

    PC Speed

    • 8500

    Timing

    • CAS = 7.0
    • Full Parameters: 7-7-7-20

    Bandwidth

    • 8.5GB/s

    JEDEC

    • Fully compliant with JEDEC specifications

    Capacity

    • 48GB

    Voltage

    • 1.5 Volts

    Pin Count

    • 240-pin

    Printed Circuit Board Type

    • Low noise 8-layer PCB

    RoHS Compliant

    • Yes

    • Operating: 32°F to 185°F (0°C to 85°C)

    Compatibility & Installation VideosCompatibility & Installation Videos

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    Mac Pro (Mid 2012)
    Mac Pro (Mid 2012)
    Mid 2012
    Model ID: MacPro5,1
    3.2GHz 4-Core Xeon & 3.3GHz 6-Core Xeon
    Detailed SpecsInstall Videos
    Mac Pro (Mid 2010)
    Mac Pro (Mid 2010)
    Mid 2010
    Model ID: MacPro5,1
    2.8GHz & 3.2GHz 4-Core Xeon & 3.3GHz 6-Core Xeon & 2.4GHz 8-Core Xeon
    Detailed SpecsInstall Videos
    Mac Pro (Early 2009)
    Mac Pro (Early 2009)
    Early 2009
    Model ID: MacPro4,1
    2.7GHz & 2.9GHz & 3.3GHz 4-Core Xeon & 2.3GHz & 2.7GHz & 2.9GHz 8-Core Xeon
    Install Videos
    Xserve Xeon (Early 2009)
    Xserve Xeon (Early 2009)
    Early 2009
    Model ID: Xserve3,1
    2.3GHz Xeon E5520 & 2.7GHz Xeon X5550 & 2.9GHz Xeon X5570
    Detailed Specs

    PC Compatible

    PC Compatible
    PC Compatible
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