32GB OWC Memory Upgrade Kit
only $79.96 $58.99 You Save $20.97

32GB OWC Memory Upgrade Kit

4 x 8GB PC10600 DDR3 ECC 1333MHz DIMMs for Mac Pro 2009-2012 'Nehalem' & 'Westmere' models


Mfr P/N: 1333D3W8M32K OWC SKU: OWC1333D3W8M32K

$90.99 off - *NOW* Get Parallels Desktop Pro Edition - Windows/Multi OS Compatibility software for Mac - Only $29.00 with select OWC SSDs, HDDs, Memory, External Storage, and Optical Drives! (Limit 3 rebates, 1 rebate per qualifying item)

Must purchase with: Parallels Desktop Pro Edition for Mac - 1 Year License. SPECIAL PURCHASE

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

OWC Memory Trade-in Rebate

Trade In Your Original Memory and SAVE!

Within 60 days from the purchase date of qualifying OWC memory, you can choose to trade in your old memory for a cash rebate! Learn More »

availabilityIn Stock: Ships Same Day!
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2GB Modules

2GB
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4GB
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6GB
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8GB
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12GB
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16GB
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4GB Modules

4GB
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8GB
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12GB
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16GB
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24GB
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32GB
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8GB Modules

8GB
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16GB
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24GB
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32GB
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48GB
arrow up 6 x 8GB $119.94$89.99 in stockIn Stock: Ships Same Day!
64GB
arrow up 8 x 8GB $159.92$118.99 in stockIn Stock: Ships Same Day!

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.

    Data Rate

    • 1333MT/s

    I/O Clock Speed

    • 666MHz

    Registration

    • Non-registered

    Error Correction

    • ECC

    Cycle Time

    • 1.5 ns

    Form Factor

    • DIMM

    Type of Memory

    • DDR3

    PC Speed

    • 10600

    Timing

    • CAS = 9.0
    • Full Parameters: 9-9-9-24

    Bandwidth

    • 10.6GB/s

    JEDEC

    • Fully compliant with JEDEC specifications

    Capacity

    • 32GB

    Voltage

    • 1.5 Volts

    Pin Count

    • 240-pin

    Chip Architecture

    • 1024M x 72

    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

    Back to topBack to top
    Mac Pro (Mid 2012)
    Mac Pro (Mid 2012)
    Mid 2012
    Model ID: MacPro5,1
    3.2GHz 4-Core Xeon & 3.3GHz 6-Core Xeon & 2.4GHz & 2.7GHz & 3.1GHz 12-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 & 2.7GHz & 2.9GHz 12-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

    PC Compatible

    PC Compatible
    PC Compatible
    4.94 out of 5

    58 out of 62 (93%) reviewers would recommend this product

    Write a Review
    3 star
    2 star
    1 star
    94%
    6%
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    Memory Upgrade Kit for my Mac Pro 4,1

    Order came fast. Memory works well. Price was reasonable. Overall, happy with purchase.

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    Karmik2, 
    • Reviewer:Karmik2
    Response from OWC, Support

    Thank you so much for taking the time to leave such a fantastic review! We're thrilled to hear that our Memory Upgrade Kit for your Mac Pro 4,1 arrived quickly and is working well for you. We always strive to offer reasonable prices, so we're glad to know that you found our price to be fair. Your satisfaction is our utmost priority, and we're delighted that you're happy with your purchase. If you have any further questions or need any assistance in the future, please don't hesitate to reach out.


    Great as usual!

    The title says it all, can't be

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    CharmingHamster-91671, 
    Oct, 9 2023 
    • Reviewer:CharmingHamster-91671
    Response from OWC, Support

    Thank you for the concise and positive feedback! We're glad to hear that you had another great experience. If you ever need anything else or have more questions in the future, don't hesitate to reach out. We're here to assist you! https://eshop.macsales.com/Service/ ????


    Great price. Great communication. Works perfect.

    Perfect. Thanks for the help.

    I would recommend this product to a friend!

    Verified Purchase
    Verified PurchaseVerified Purchase.
    MysteriousSpider-68376, 
    • Reviewer:MysteriousSpider-68376

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