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    OWC Special Offer Available

    $70.99 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: PPDPROSUB1Y-REB29

    16.0GB OWC Memory Module

    1 x 16.0GB PC3-14900 DDR3 ECC Registered 1866MHz 240 Pin
    OWC Memory Lifetime Limited Warranty including Advanced Replacement Program |
    30 Day Money Back Guarantee
    Memory Image
    Product Specs:
    OWC Memory for Mac Pro 2013 fully meets Apple's specifications with special attention to proper thermal specifications.
    IMPORTANT MAC PRO 2013 UPGRADE NOTE:
    Apple Mac Pro 2013 models utilize thermal enabled ECC-Registered and ECC non-Registered memory. ECC Registered and non-Registered memory may not be mixed. Existing factory or post installed 4GB or 8GB ECC non-Registered modules need to be removed prior to installation of OWC 8GB, 16GB, or 32GB server grade ECC-Registered memory upgrades.
    Easy to install!

    View our free 'How To' memory install
    video for Mac Pro 2013.
    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.
    - Please allow up to 14 Days from the time we receive your memory for testing and rebate processing.
    - The OWC Rebate is for up to the same number of memory modules purchased and must be in working order.
    This OWC Memory is compatible with... Learn how to find your Mac's model ID
    Mac Pro
    Mac Pro
    (December, 2013)
    Model ID: MacPro6,1
    2.7GHz 3.0GHz, 3.5GHz, 3.7GHz
    Detailed specs
    Install Videos

    Customer Ratings

    Write a Review 4.9 / 5 27 out of 28 (96%) reviewers would recommend this product
    1 2 3
    Verified Buyer
    Reviewer: GSG1 Location: Sevilla, Spain Age: Over 65 Experience Level: IT Professional Owned Product: less than a month
    Rating: 5/5 Good service!!! August 14, 2019 I just received the memory, only 2 days from the order. From USA to Spain it´s very good. I haven't installed the memory yet, but I guess it will work without problems Thanks a lot.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: 2the9s Experience Level: Home User
    Rating: 5/5 Simple is Best March 28, 2019 I found the instructions in the box, and video tutorials to make installation of the RAM upgrade super simple!

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: StatsGuy Location: Denver CO Age: Over 65 Experience Level: Power User Owned Product: 1-3 months
    Rating: 5/5 Computer memory works flawlessly (wish mine did) August 25, 2018 I doubled the memory in my 2013 MacPro by getting two 16GB sticks from OWC. They work like a charm. OWC's buyback program for the old memory (4 4GB sticks) made it even better. I'm doing some heavy computations in a program that stores all the data in memory, for speed. No fear now that I'll run out if I get a bigger dataset. Thanks OWC! (I've been a customer for years)

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: RoboticsHobbyist Location: Meredith, NH Age: 45-54 Experience Level: IT Professional Owned Product: less than a month
    Rating: 5/5 Excellent Memory July 12, 2018 Works Flawless, allows me to run my many apps as well as multiple VirtualBox Machines all at once. Priced just right too. Highly recommend this memory.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: WhiskeyMike Location: Massachusetts Age: Over 65 Experience Level: Power User Owned Product: less than a month
    Rating: 5/5 Works perfectly June 8, 2018 Painless installation, worked perfectly, I am now set up for next incremental memory upgrade. Or a new Mac. :)

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: johnj Owned Product: less than a month
    Rating: 5/5 excellent quality, excellent company May 27, 2018 Very happy with my purchase from OWC / MacSales, the product and packaging are top quality and are working fantastically.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: jemmac Location: Michigan Age: Over 65 Experience Level: Home User Owned Product: 1-3 months
    Rating: 5/5 Great! April 29, 2018 Ram worked as described. Good instructions and helper tool came with the order. Prompt service and delivery.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: deejay Location: California
    Rating: 5/5 Great memory expansion April 27, 2018 The memory expansion kit was easy to install. The video walkthroughs made the process even simpler.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: Norday Location: Helsinki, FI Age: 45-54 Experience Level: IT Professional
    Rating: 5/5 works great February 12, 2018 I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:
    Verified Buyer
    Reviewer: PhotoAJJ Location: Olympia, WA Age: Over 65 Experience Level: Power User Owned Product: less than a month
    Rating: 5/5 A great deal December 17, 2017 Glad to find an option for upgrading the RAM in my Mac Pro that was cheaper than the Apple option. I had already ordered the Apple option before i found this from Mac Sales. I returned it as soon as it was delivered. Installation was easy and the RAM checked out perfect.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: LMPrintshop Location: Ca Age: 25-34 Experience Level: Power User Owned Product: less than a month
    Rating: 5/5 Works as expected December 17, 2017 Purchased 32g of memory replacing the stock 12gb on a late 2013 Mac Pro night and day difference, we are able to run multiple graphics programs at once without the color wheel of death showing. Super easy to install and fast shipping. Worth the investment.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC Modules. Customer Videos:

    Verified Buyer
    Reviewer: DoctorLove Location: EAst Coast Age: Over 65 Experience Level: Power User Owned Product: 1-3 months
    Rating: 5/5 I May Be Senile, BUT . . . December 14, 2017 While my personal Memory dwindles, my Late 2013 3 GHz 8-Core Intel Xeon E5 Trashcan Mac Pro's memory just doubled to 64 GB with four 1866 MHz DDR3 just perfect for my AMD FirePro D500 3 GB video cards. **** No Glitches, No Losses, No increase in errors to report to Apple. Just pure fast memory ! SATISFIED !

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: rwanderman Location: Warren, CT Age: 55-65 Experience Level: Power User Owned Product: less than a month
    Rating: 5/5 Excellent upgrade August 6, 2017 I bought this RAM upgrade for my Mac Pro. It was easy to fine and buy, easy to see how to install it using the MacSales video, and the price was right. It arrived quickly and I installed it in a few minutes. Great upgrade and I highly recommend it to any Mac Pro user who needs more memory or a bit more speed.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: dbadev
    Rating: 5/5 Awesome improvement to an already powerful system! July 9, 2017 Even though my Mac Pro is already considered an obsolete system, I still consider it a powerful workhouse. This purchase continued that trend by providing me a large pool of memory to host multiple Virtual Machines for my development and testing purposes.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: ozieaev Location: Toronto, ON Age: 45-54 Experience Level: IT Professional Owned Product: less than a month
    Rating: 5/5 Totally worth it !!! June 20, 2017 No more complains that Mac Pro 2013 is slow. I have decided to upgrade memory after reading a lot from users confirming significant performance boost after the upgrade. So, decided on 64GB package from mac sales site. OWC proven to be great components supplier for Macs and price wise its much better deal. The whole buying experience was excellent and I got follow up call from mac sales as well to check on things from delivery and procedure point of view. 5* service, MacSales ! I have put step by step upgrade process. If you had similar experience, please let me know. If in questions or thinking about upgrading or buying new one, ask and you shall receive. I see that machine is way faster and move dynamic now. Should have thought about this earlier :) !

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Video: View "Review and installation steps, before and after." on YouTube

    Verified Buyer
    Reviewer: Nella Location: Brooklyn Age: 35-44 Experience Level: Noob Owned Product: less than a month
    Rating: 5/5 Amazing! So easy to install June 7, 2017 I installed the memory with the help of the macsales "Install Videos". Worked like a charm!!!!

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: Frederick1973 Location: Brussels Age: 35-44 Experience Level: Home User Owned Product: 1-3 months
    Rating: 5/5 Parfait February 5, 2017 Je suis très content d'avoir acheté ce produit qui fonctionne très bien,je conseille vivement aux gens d'acheter ce produit

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: Mikehappyram Age: 35-44 Experience Level: Hobbiest Owned Product: 1-3 months
    Rating: 5/5 Great decision. November 8, 2016 I make music running a Mac Pro as the brains of the system and it was running ok on the 16GB of ram. I decided to move from 16GB to 64GB and what a difference. This product was easy to install and was a solid piece of equipment. Just looking at my memory usage now, and my system is currently using 15 GB of ram with just the web browser open? This tells me that I no longer have to purge the ram as there is plenty to spare ram available. I'm ready for any updates these DAW companies are ready to come up with and it one less thing that I have to worry about in the near future.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: edmo Location: san diego , ca Age: 55-65 Experience Level: IT Professional Owned Product: 1-3 months
    Rating: 5/5 great memory October 27, 2016 I have purchases two of the same item to make 64GB total. It installed easily with the tool included and watching the videos certainly help with preparation.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (2x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules. Customer Videos:

    Verified Buyer
    Reviewer: Anonymous Location: San Juan, PR Age: 25-34 Experience Level: Power User Owned Product: 1-3 months
    Rating: 5/5 The only option and they work July 28, 2016 I looked around and everybody on the internet seem to think that apple charges a lot for ram upgrades and that you can buy cheaper options elsewhere. Partially true.

    Even tho there are cheaper options for ECC ram, none other have the thermal sensors. So why spend 3.5k+ for a mac designed to use 1 fan to control the temperature and then put RAM that the computer can't monitor.

    I might be wrong on this but this for me were the only logical option and I'm pleased that they worked as expected.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules.

    Verified Buyer
    Reviewer: Foxy Location: Springfield, MO Age: 55-65 Experience Level: Home User Owned Product: 1-3 months
    Rating: 5/5 Another dimm and a faster computer July 23, 2016 I expect the memory to last for as long as the computer does.

    I would recommend this item to a friend! This review is from 4.0GB DDR3 ECC PC3-14900 1866MHz SDRAM ECC for Mac Pro Late 2013 models.

    Verified Buyer
    Reviewer: Anonymous Location: Arizona Age: 55-65 Experience Level: Power User Owned Product: less than a month
    Rating: 5/5 Everything as expected April 21, 2016 The memory upgrade arrived on time and it was easy to install. I returned the old memory for a refund, which arrived promptly as well. I would do it again anytime.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC Modules.

    Verified Buyer
    Reviewer: Anonymous Location: Beaverton, OR Age: 35-44 Experience Level: IT Professional Owned Product: over 6 months
    Rating: 5/5 Working Great March 22, 2016 Working great, excellent price, and no problems whatsoever.

    I would recommend this item to a friend! This review is from 64.0GB Mac Pro Late 2013 Memory Matched Set (4x 16GB) PC3-14900 1866MHz DDR3 ECC-R SDRAM Modules.

    Verified Buyer
    Reviewer: Anonymous
    Rating: 5/5 highly recommend February 4, 2016 I would recommend this item to a friend! This review is from 8.0GB DDR3 ECC PC3-14900 1866MHz SDRAM ECC for Mac Pro Late 2013 models.
    Verified Buyer
    Reviewer: Anonymous Location: Kent, Ohio Age: Over 65 Experience Level: IT Professional Owned Product: 1-3 months
    Rating: 5/5 Memory works fine January 22, 2016 I upgraded a 16 GB Mac Pro with this set. Took about 5 minutes to swap out the boards, and reboot. System is working fine, and I was also able to sell the original 16 Gb back to OWC, instead of pitching in the trash.

    I would recommend this item to a friend! This review is from 32.0GB Mac Pro Late 2013 Memory Matched Set (4x 8GB) PC3-14900 1866MHz DDR3 ECC Modules.

    OWC Memory 16.0GB 1 x 16.0GB PC3-14900 DDR3 Module Mfr P/N: 1866D3MPE16G OWC SKU: OWC1866D3MPE16G OWC ECC Registered Memory Module Lifetime OWC Limited Warranty Ships: Same Day
    Reviews (28)
    only $57.99
    Add to CartOther World Computing 1866D3MPE16G In Stock, Click to Buy Now
    Additional Capacities & Kits: ECC Non-Registered
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    ECC Registered
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      • $29.88
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      • Ships: Same Day
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      • Matched Kit for $54.99
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    • 32GB (2x16GB)
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    • 64GB (4x16GB)
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      • Only $231.96
      • Matched Kit for $219.00