Retina RAM upgrade

Is there any possible way to upgrade the RAM on my macbook pro retina 13"?

Welcome to the Apple Support Communities
The MacBook Pro with Retina display has got the memory soldered into the logic board, so you can't add more memory after buying it. And that's why you must order your MacBook Pro Retina with the memory you need

Similar Messages

  • Macbook Retina RAM upgrade/repair?

    I know the Retina Macbook Ram cannot be upgraded by the user but does that mean apple cannot upgrade/repair it later on as a service option?
    If so, does anyone know how much that would cost - without applecare protection?

    Obviously, Apple has repair procedures in place for these machines, exactly what? Apple has not stated, so your guess is as good as anyone's. As to repair out of warranty...iFixit estimates close to US $500 just to replace the battery, right now. If you purchase one of these machines, you're best advised to purchase AppleCare, that is unless you're rich & cost means nothing to you.

  • MacBook Pro 13" (2012) non-retina ram upgrade.

    Will upgrading my MBP 13" from 4GB to 8GB will make a big difference ?
    MBP does get slow at times and i do tend to use 4+ apps most the time.
    Will it boost my boot up time too ?

    Adding RAM only makes it possible to run more programs concurrently.  It doesn't speed up the computer nor make games run faster.  What it can do is prevent the system from having to use disk-based VM when it runs out of RAM because you are trying to run too many applications concurrently or using applications that are extremely RAM dependent.  It will improve the performance of applications that run mostly in RAM or when loading programs.
    Does it help to have more RAM? Usually, "yes", if you are running out of RAM during use. You may find that the computer seems faster, but this is because memory shortage is bogging things down.
    Using Activity Monitor to read System Memory & determine how much RAM is used
    OS X Mavericks- About Activity Monitor
    Understanding top output in the Terminal
    The amount of available RAM for applications is the sum of Free RAM and Inactive RAM. This will change as applications are opened and closed or change from active to inactive status. The Swap figure represents an estimate of the total amount of swap space required for VM if used, but does not necessarily indicate the actual size of the existing swap file. If you are really in need of more RAM that would be indicated by how frequently the system uses VM. If you open the Terminal and run the top command at the prompt you will find information reported on Pageins () and Pageouts (). Pageouts () is the important figure. If the value in the parentheses is 0 (zero) then OS X is not making instantaneous use of VM which means you have adequate physical RAM for the system with the applications you have loaded. If the figure in parentheses is running positive and your hard drive is constantly being used (thrashing) then you need more physical RAM.

  • Retina MacBook Pro 15'' Ram Upgrade

    Hello, my name is Joseph and I have 15'' Retina Macbook Pro.
    Well, recently, I want to upgrade my ram from 8g to 16g, anyone knows how much it cost? how long it take?
    if someone answerss these, it would be appreciated. Thank you! I hope you have a great night!
    Blessings,
    Joseph

    The Retina models can not have their RAM upgraded. It is permanently soldered to the main-board.

  • Will RAM upgrade on Macbook Air result in a bottleneck?

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    Will RAM upgrade on Macbook Air result in a bottleneck?
    Hi I am planning to buy a Macbook Air with the base configuration, but was giving the RAM some thought. I was thinking of upgrading it from 4 GB 1600 MHz LPDDR3 SDRAM to 8 GB. With the student discount the upgrade will cost me an additional $90. I will be going to uni for life sci and will be be using it for work assignments, music, and maybe some small-time gaming. I currently don't really game much but maybe sometime in the future I may decide to play games such as LoL or Warcraft maybe?  What I was wondering was that is it actually necessary to upgrade the RAM to be able to play these types of games without lag? I am fine with a little bit of low fps, as long as it isn't to noticable and stil fairly smooth. Maybe with like safari with music and a word processor and the game open, would the MBA be able to handle it effectively? Also, would the RAM upgrade be ineffective because of a "bottleneck" where the other specs limit the effectiveness of the increase in RAM?  The rest of the specs are: 1.4 GHz dual-core Intel i5, Turbo Boost upto 2.7 GHz Intel HD Graphics 5000 128 GB PCle-based flash storage  So overall, is it worth it? Will it make gaming significantly better, and more importantly, will 4 GB just be enough too?  Thank you very much for reading that very long question! All answers will be appreciated!

    Did you get a reply on that site?
    Are you comparing 11-inch/13-inch MacBook/Air to 13"-15" MB/Pro?
    A better idea would be to get the MacBook/Pro, since it has a better
    processor and a higher RAM spec capacity, when or if upgraded.
    More RAM will not be a bottleneck; a slow CPU processor & too much
    demand could. Including video demand, and gaming is unlikely, too.
    Check the specs at the Apple Store to compare MB/Pro w/ MB/Air;
    even the basic MacBook Pro 13-inch without Retina has a fair CPU
    and OK specs for most things; and you may be able to still upgrade
    the RAM in that basic model (also has optical drive built-in) yourself.
    See everymac.com and mactracker.ca for sources of specifications.
    Good luck & happy computing!

  • Memory modules can we use for RAM upgrade of HP Pavilion dv5-1198de??

    What memory modules can we use for RAM upgrade of HP Pavilion dv5-1198de??
    Max RAM?  Vista?  Windows 7?

    I can't find a dv5-1198de but I did find a dv5-1198er which should be similiar. It states up to 8 gb of ram. HERE
    I would try www.Crucial.com for suggested memory ,you can use their Scanner Tool to let it detect what you have and what you can upgrade/replace with.
    ******Clicking the Thumbs-Up button is a way to say -Thanks!.******
    **Click Accept as Solution on a Reply that solves your issue to help others**

  • RAM upgrade on Satellite L300-20D

    I was wondering if the laptop L300 - 20D.
    Can get a ram upgrade. It has 1024 MB RAM 800MHZ. And i need 1500 MB .

    Your notebooks RAM can be upgraded up to 4 GB.
    For upgrade you can use follow RAM modules:
    512MB DDR2-667 - PA3511U-1M51
    1GB DDR2-667 - PA3512U-1M1G
    1GB DDR2-800 - PA3668U-1M1G
    2GB DDR2-667 - PA3513U-1M2G
    2GB DDR2-800 - PA3669U-1M2G
    Bye

  • MacBook Pro 13' Early 2011: Still Slow After 16GB RAM Upgrade

    Hi,
    I have a MacBook Pro 13' Early 2011 running Yosemite. After the RAM upgrade to 16GB, the speed of the computer is still not satisfactory, having some lag times in launching softwares and startup. Please suggest me what to do. Below is the report. Thank you!
    Problem description:
    The computer is still running slow even after the RAM upgrade to 16GB.
    EtreCheck version: 2.0.11 (98)
    Report generated November 18, 2014 at 5:40:20 AM EST
    Hardware Information: ℹ️
      MacBook Pro (13-inch, Early 2011) (Verified)
      MacBook Pro - model: MacBookPro8,1
      1 2.3 GHz Intel Core i5 CPU: 2-core
      16 GB RAM Upgradeable
      BANK 0/DIMM0
      8 GB DDR3 1600 MHz ok
      BANK 1/DIMM0
      8 GB DDR3 1600 MHz ok
      Bluetooth: Old - Handoff/Airdrop2 not supported
      Wireless:  en1: 802.11 a/b/g/n
    Video Information: ℹ️
      Intel HD Graphics 3000 - VRAM: 512 MB
      Color LCD 1280 x 800
    System Software: ℹ️
      OS X 10.10.1 (14B25) - Uptime: 0:7:52
    Disk Information: ℹ️
      ST9320325ASG disk0 : (320.07 GB)
      S.M.A.R.T. Status: Verified
      EFI (disk0s1) <not mounted> : 210 MB
      Recovery HD (disk0s3) <not mounted>  [Recovery]: 650 MB
      Macintosh HD (disk1) /  [Startup]: 318.84 GB (156.62 GB free)
      Encrypted AES-XTS Unlocked
      Core Storage: disk0s2 319.21 GB Online
      MATSHITADVD-R   UJ-8A8
    USB Information: ℹ️
      Apple Computer, Inc. IR Receiver
      Apple Inc. FaceTime HD Camera (Built-in)
      Apple Inc. Apple Internal Keyboard / Trackpad
      Apple Inc. BRCM2070 Hub
      Apple Inc. Bluetooth USB Host Controller
    Thunderbolt Information: ℹ️
      Apple Inc. thunderbolt_bus
    Gatekeeper: ℹ️
      Mac App Store and identified developers
    Kernel Extensions: ℹ️
      /System/Library/Extensions
      [loaded] com.Cycling74.driver.Soundflower (1.5.2) Support
      [not loaded] com.marvell.kext.USBGenericPrinterClass (1.0.0) Support
      [loaded] com.rim.driver.BlackBerryUSBDriverInt (0.0.74) Support
      [not loaded] com.rim.driver.BlackBerryUSBDriverVSP (0.0.74) Support
      [not loaded] com.wacom.kext.pentablet (5.3.0 - SDK 10.8) Support
    Launch Agents: ℹ️
      [loaded] com.google.keystone.agent.plist Support
      [loaded] com.oracle.java.Java-Updater.plist Support
      [running] com.rim.BBAlbumArtCacher.plist Support
      [running] com.rim.BBLaunchAgent.plist Support
      [running] com.wacom.pentablet.plist Support
    Launch Daemons: ℹ️
      [loaded] com.adobe.fpsaud.plist Support
      [loaded] com.google.keystone.daemon.plist Support
      [loaded] com.macpaw.CleanMyMac2.Agent.plist Support
      [loaded] com.microsoft.office.licensing.helper.plist Support
      [loaded] com.oracle.java.Helper-Tool.plist Support
      [loaded] com.oracle.java.JavaUpdateHelper.plist Support
      [running] com.rim.BBDaemon.plist Support
    User Launch Agents: ℹ️
      [loaded] com.adobe.ARM.[...].plist Support
      [loaded] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist Support
      [loaded] com.macpaw.CleanMyMac2Helper.scheduledScan.plist Support
      [loaded] com.macpaw.CleanMyMac2Helper.trashWatcher.plist Support
      [not loaded] com.valvesoftware.steamclean.plist Support
    User Login Items: ℹ️
      Dropbox Application (/Applications/Dropbox.app)
    Internet Plug-ins: ℹ️
      JavaAppletPlugin: Version: Java 7 Update 71 Check version
      o1dbrowserplugin: Version: 5.38.6.0 - SDK 10.8 Support
      WacomNetscape: Version: 2.1.0-1 - SDK 10.8 Support
      Default Browser: Version: 600 - SDK 10.10
      Flip4Mac WMV Plugin: Version: 2.4.0.11 Support
      WacomTabletPlugin: Version: WacomTabletPlugin 2.1.0.2 Support
      AdobePDFViewerNPAPI: Version: 11.0.09 - SDK 10.6 Support
      FlashPlayer-10.6: Version: 15.0.0.223 - SDK 10.6 Support
      Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
      Flash Player: Version: 15.0.0.223 - SDK 10.6 Support
      QuickTime Plugin: Version: 7.7.3
      googletalkbrowserplugin: Version: 5.38.6.0 - SDK 10.8 Support
      SharePointBrowserPlugin: Version: 14.4.6 - SDK 10.6 Support
      AdobePDFViewer: Version: 11.0.09 - SDK 10.6 Support
      DirectorShockwave: Version: 11.6.5r635 Support
    User Internet Plug-ins: ℹ️
      CitrixOnlineWebDeploymentPlugin: Version: 1.0.105 Support
      WebEx64: Version: 1.0 - SDK 10.6 Support
    3rd Party Preference Panes: ℹ️
      Flash Player  Support
      Flip4Mac WMV  Support
      Java  Support
    Time Machine: ℹ️
      Mobile backups: OFF
      Auto backup: NO - Auto backup turned off
      Volumes being backed up:
      Macintosh HD: Disk size: 318.84 GB Disk used: 162.22 GB
      Destinations:
      LACIE SHARE [Local]
      Total size: 350.07 GB
      Total number of backups: 5
      Oldest backup: 2012-07-17 01:12:57 +0000
      Last backup: 2014-03-19 07:05:24 +0000
      Size of backup disk: Too small
      Backup size 350.07 GB < (Disk used 162.22 GB X 3)
    Top Processes by CPU: ℹ️
          9% mds
          6% WindowServer
          1% BBLaunchAgent
          0% AppleSpell
          0% fontd
    Top Processes by Memory: ℹ️
      103 MB mds_stores
      86 MB Dropbox
      86 MB ocspd
      69 MB com.apple.WebKit.WebContent
      52 MB Safari
    Virtual Memory Information: ℹ️
      13.07 GB Free RAM
      1.71 GB Active RAM
      740 MB Inactive RAM
      1.66 GB Wired RAM
      1.31 GB Page-ins
      0 B Page-outs

    First go to the RIM web site and look to see if they have an uninstaller for the device you had.  Some times a reinstall of the application and then running the uninstaller is required for complete removal.
    If no uninstaller is available, then you will have to use Spotlight to find all items with 'Blackberry' and 'Rim' in the titles.  I would also download EasyFind and use that to locate such files.  Often it will locate items that Spotlight misses.
    Ciao.

  • HP Envy 13 1030nr. Windows 7 64-bit. RAM upgrade help.

    I just purchased a RAM upgrade for my Envy 13 and I was trying to figure out how exactly to access the memory module.  I couldn't find a youtube video for the Envy 13 and reading the maintenance manual provides only partial instructions to access the memory module.  It tells you what you need to do (Disconnect the TouchPad cable 2 from the low insertion force (LIF) connector on the system board) but not how to do it without damaging the computer.  I don't want to permanently sever a cable or anything so I'm looking for help via a link to a video or more detailed instructions on exactly how to safely access the memory module. 
    I was under the impression that this would be a quick replacement, but the more I read the manual, the more I think that this is going to be a little more complicated than opening up the bottom and removing the current RAM chip and replacing it with the one I have.  Any help would be appreciated.  Thanks!

    Here is the Manual:
    Manual
    Memory is indeed on the motherboard and getting there requires nearly complete disassembly. See Page 4-26. Not sure how this qualifies as "easy" and if you have not done this before you should get some help. And yes, keep careful track of those screws. 

  • Hard Drive and RAM upgrades for latest 15" MBP

    I'm minutes from ordering a new MBP. Only concerns are whether I get hte Apple upgrades or shop around.
    I like this Hard Drive...
    http://www.compu2000.com/index.php?l=product_detail&p=6433
    And this RAM upgrade...
    http://www.a-power.com/product-10937-311-4
    If these are equivalent to the apple options I can save hundreds and get a 320 GB drive, which will make a great portable.
    So, does my plan hold water?

    You're on your own for support when you do your own upgrades like this, but generally speaking, it works fine.
    Note that HDD is less risky than RAM. With RAM you run the risk of unstable behavior that is tougher to diagnose. That said, a quality RAM upgrade and some initial testing with any of many available tools is as good as a factory build.
    HDD upgrades are less risky, and I've upgraded (well, replaced after HDD death) ones in my MBPs many many times. I crunch my hard drives more than normal and have to generally replace them about every year. Some of the MBPs don't make this easy, and prepare to get all sorts of cozy with little 0 and 1 sized Phillips screwdrivers and some T6 as well, but it is doable (just not quite for the truly faint of heart).
    Again, you're on your own for support once you do this, so weigh that in your decision.

  • This is the regular status of the memory of my macbook pro. Do you think I need a RAM upgrade?

    Hi there,
    I'm hoping to seek the expert views of the community here.
    I have a MacBook Pro, Late 2011, 17 inch. Running latest version of Mavericks. Speed seems to have slowed somewhat, perhaps since I upgraded to Mavericks, but not certain about that. Based on my research of the Apple communities, I suspect that I may benefit from a RAM upgrade.
    Attached are a few screen shots to assist:
    Based on what I have researched in the community, the fact that I have used 3.99GB of 4.00GB, and have used 5.63GB of Virtual memory, seems to suggest to me that I have well and truly maxed out my RAM. Also there is a high number of read ins/outs (but it had been a wheile since I last did a restart on the MBP (if that has any effect on these numbers here).
    I have also read that my model of MacBook Pro is upgradeable to 16GB of RAM (2 x 8GB).
    Thoughts and views from the community would be greatly appreciated. Will additional RAM help the speed and performance of my MacBook Pro?
    Many thanks.

    More RAM is always a Prudent move...
    Kerrod wrote:
    Will additional RAM help the speed and performance of my MacBook Pro?
    It will certainly help with Performance.
    Macs can be very Fussy about RAM...
    You can use these Links to check which RAM is suitable for your Mac...
    http://eshop.macsales.com/shop/apple/memory/
    http://www.crucial.com
    It is Important to get the Correct and Matching RAM
    Those sites also have videos on how to Install RAM should you need it....

  • Video will not play on Canvas or NTSC after RAM upgrade

    editing on a G5 v. 10.4.11, Dual 1.8 Ghz G5 with a recent upgrade to 4GB of ram. Have an AJA IO LA
    After the RAM upgrade, FCP timeline will play but video is black in the canvas and image is frozen on the NTSC. Video WILL play in Viewer but no audio.
    All cables have been checked to make sure they were put back correctly - will keep checking for errors in re-cabling computer.
    Have tried refreshing displays and other tests with displays. Any info would be greatly appreciated.
    Thanks!

    pull the ram, problem goes away? - bad ram
    you can pull 2 sticks at a time to isolate which chip it is.
    did you get it from a good source - Crucial.com is my favorite, OWC is popular too - both have lifetime warranty

  • 24" iMac (Primo 2009) strange RAM upgrade issue

    I have a 24" iMac (Primo 2009) at work. I been granted a RAM upgrade by the IT department and have received 2 indentical 4 GB modules.
    The 24" iMac (Primo 2009) uses 1066 MHz DDR3 modules and supports up to 8 GB RAM in 2 slots. I have purchased RAM from this source http://www.dustin.dk/product/5010642132/corsair-4gb-ddr3-1066mhz-1x4gb-so-dimm-i mac-macbook-macpro/#intcmp=searchProvider_SiteSeeker (Corsair Mac Memory so they SHOULD be fine.)
    Here's the issue:
    I had 2x 2GB modules. I have taken both out.
    I have inserted the new 2x 4GB modules but the machine refuses to boot. It gives off 3 beeps-interval-3 beeps-interval (repeats).
    I took out one of the 4GB modules from slot B. It boots.
    I inserted the one I removed in slot B again so we're back at 8GB. same beeps. No boot.
    I switched the 2 4GB modules from slot A+B around. Now beep-interval-beep-interval (repeats) No boot.
    I inserted one 4 GB in slot 1, and one of the old 2 GB in slot 2. It boots with 6GB RAM.
    I inerted only the one that won't boot when in slot B in slot A, beep-interval-beep-interval (repeats) No boot.
    OK - so logical deduction tells me one of the new 4GB RAM modules is defective. No matter what configuration, booting fails with that specific module inserted, though there are different beeps. I also know tha both slots work since the machine works with 6 GB RAM (2+4).
    So I called Dustin, and since we're a big customer they sent a new moduel for free. But, I have the same isssue with the new module!! What are the chances I have recived 1 working and 2 defective modules? not big right? So my iMac seems fine with the old 2GB modules and one of the new 4 GB modules, but says no to the 2 other 4GB modules.
    YES - I have tried resetting PRAM and SMC to no avail. Any clue?

    Switched the 2 modules around, so there's now a 2GB in slot A and a 4 GB in slot B. Still works fine
      Model Name:
    iMac
      Model Identifier:
    iMac9,1
      Processor Name:
    Intel Core 2 Duo
      Processor Speed:
    2,93 GHz
      Number of Processors:
    1
      Total Number of Cores:
    2
      L2 Cache:
    6 MB
      Memory:
    6 GB
      Bus Speed:
    1,07 GHz
      Boot ROM Version:
    IM91.008D.B08
      SMC Version (system):
    1.45f0

  • Kernel Power error after Win 7 and RAM upgrade

    Hello,
    I posted earlier on the subject of win7 and ram upgrades.  I did both and it seemed to go fine.  I did the ram first ... replaced a 667Mhz 1gb with a 800Mhz 2gb.  A couple of days later the computer just shut itself down and restarted.  Since then it has done it another 5 times, seemingly at random.  Yesterday I decided to spend some time looking into it and found the 'event log'.  All the shutdowns are recorded as 'critical'.  A search on the web/here showed other occurences of the fault associated with drivers as much as anything.
    After I did the win update I did update almost every driver with ones from this site.
    Other than the shutdowns the only issues I have which are of very mild concern are the length of time the fingerprint reader takes to be present and that occasionally the cursor is unavailable for about a minute after logging on. When you try and control it it jumps about anywhere but where you want it to go.   I rolled back the alps driver and that seems to have sorted the cursor issue.
    So, details of the shutdown from the event log are as follows.
    Log Name:      System
    Source:        Microsoft-Windows-Kernel-Power
    Date:          16/01/2011 16:21:31
    Event ID:      41
    Task Category: (63)
    Level:         Critical
    Keywords:      (2)
    User:          SYSTEM
    Computer:      (removed by me)
    Description:
    The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."
    There's more (I've shown it all below) but it's not that important.  When I looked into it I found details of the problem on the microsoft knowledge base.  Its described here http://support.microsoft.com/kb/2028504.
    I believe I fit into scenario 3 for cause and resolution.
    So, it seems that win7 and mixed speed ram may be a problem on some computers ... probably only a tiny number, but it looks like the HP3507 is one of them.  I did see somewhere that I could down speed from 667 to 266 which might help with memory compatability but I can't see anywhere on the the insydeH20 bios where to do it.  BIOS is version F18 .... upgraded from F15 as part of the Win7/RAM ugrade.  
    Before I swap back to the 'old' memory I'll see if anybody here can come up with any ideas.  It may be that I have to sell off the expensive 2gb memory (ddr2 800mhz 200 pin) for £39.99 from maplin at a bargain price and get 2gb of 667Mhz from somewhere.
    The full 'detail' regarding the fault is below.
    Bye for now.
    Phil
    Log Name:      SystemSource:        Microsoft-Windows-Kernel-Power
    Date:          16/01/2011 16:21:31
    Event ID:      41
    Task Category: (63)
    Level:         Critical
    Keywords:      (2)
    User:          SYSTEM
    Computer:      (removed by me)
    Description:
    The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."
    Event Xml:
    <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
      <System>
        <Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
        <EventID>41</EventID>
        <Version>2</Version>
        <Level>1</Level>
        <Task>63</Task>
        <Opcode>0</Opcode>
        <Keywords>0x8000000000000002</Keywords>
        <TimeCreated SystemTime="2011-01-16T16:21:31.187617000Z" />
        <EventRecordID>194889</EventRecordID>
        <Correlation />
        <Execution ProcessID="4" ThreadID="8" />
        <Channel>System</Channel>
        <Computer>Home_Laptop</Computer>
        <Security UserID="S-1-5-18" />
      </System>
      <EventData>
        <Data Name="BugcheckCode">0</Data>
        <Data Name="BugcheckParameter1">0x0</Data>
        <Data Name="BugcheckParameter2">0x0</Data>
        <Data Name="BugcheckParameter3">0x0</Data>
        <Data Name="BugcheckParameter4">0x0</Data>
        <Data Name="SleepInProgress">false</Data>
        <Data Name="PowerButtonTimestamp">0</Data>
      </EventData>
    </Event>

    Hi DWeiland and Schwede,
    Thanks for your replies. Yes I did the runtime engine registry change and also mass compiled the LV7.1 folder and my sourcecode. I still see the problem as I have set the LV adapter as Lv 7.1.1 runtime engine. Now I have changed it to LV7.1 development system. With this setting, it is not giving any error. Thus I don’t see any problem now. The older version of the code had the adapter as the runtime engine for some reason, now I have changed the setting to the development system. I hope that it shouldn’t be a problem.
    Thanks again!
    Thank you,
    Sasi

  • Mac pro 5,1 RAM Upgrade

    I am planning to give my Mac Pro (Mid 2010) another RAM upgrade. As the official Kingston/Crucial DIMMs do not include 16GB DIMMs, I think of choosing Kingston Value RAM: ECC Registered (3x, 16GB, DDR3-1600, DIMM 240). Has anyone here in the forum tried these?
    Thanks for your comments.

    The biggest official Kingston part is KTA-MP1333/8g which is a single 8GB module.
    For 16GB modules the main criteria are that
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    You cannot mix registered and buffered so any other existing memory left fitted must also be registered, as it happens you are supposed to not mix 16GB with smaller sizes anyway
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    It should be ECC (error correcting)
    CL9
    The presence of a Thermal Sensor is apparently not compulsory, i.e. memory without it will work in a Mac Pro.
    I have not used any 16GB DIMMS myself but other than OWC as per the link provided by Illaass, the following might be suitable
    KVR13R9D4K4/64i - this is a kit of 4 x 16GB and this article has a post from someone who says they worked for them http://forums.macrumors.com/showthread.php?t=1493588
    If you can find a kit of 2 x 16GB of the same type then logically they should also work, they would probably be KVR13R9D4K2/32i. As a reminder to do 64GB or more you need dual processors. The single processor model Mac Pro 2010 is limited to 48GB.
    See http://www.kingston.com/datasheets/KVR13R9D4K2_32I.pdf

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