HT1423 Adding memory to my iMac

I want to add memory to my iMac and when using the built in memory selection it displayed the following...when i searched for the PC3-10600 meeting the criteria listed all that came up was HP products...is this correct? Will this work? Just want to double check before I purchase more memory.
Thank you for any help you can provide.
iMac (Mid 2011)
iMac (Mid 2010)
iMac (Late 2009)
PC3-10600
PC3-10600
PC3-8500
Unbuffered
Unbuffered
Unbuffered
Nonparity
Nonparity
Nonparity
204-pin
204-pin
204-pin
1333MHz DDR3 SDRAM

You said the RAM specifications for your Mid 2011 iMac, so now you only have to look for RAM.
You can buy more RAM at OWC or Crucial

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HT1423 Upgrade memory in an iMac.

It's looking pretty straightforward to install more memory in and iMac. Is it really that easy - for a non-teckie, that is!

Welcome to the Apple Support Communities
It depends of the iMac. For example, the Late 2012 iMac is more difficult to install RAM because the slots aren't visible, but on an older iMac, it's so easy. Just follow the steps of that link to install memory, and look the maximum memory supported for your computer

HT1423 Adding memory

Running out of memory on my IMac 8,1 (~2008) so what is the best way to add more memory to my 320 GB capacity?

You are mixing Hard Drive Space with RAM (random access memory). If you need a bigger Hard Drive my suggestion would be to get a Firewire 800 cradle with a removable bare drive so you could swap out drives for your own convenience. OWC or Crucial have External Drives at reasonable prices and you should have a backup strategy that includes at least one bootable clone of your existing system drive. When you get your drive you can move your pictures, songs, movies and other large files off your internal harddrive and that way your system would be happier with more space to work in. If you want more RAM then both of the vendors I suggested have guaranteed compatible RAM and your system can be upgraded to 6GB which will improve performance and allow more Apps to be open simultaneously.

HT1423 install memory in new imac

Just bought a new 27" iMac - New Apple iMac MD096B/A.
How do I access the memory slots to install extra RAM?
Thanks!

Disconnect the power cable there is an eject button

HT1423 Locating Memory Modules for iMac?

I have a 21.5” iMac with a 3.06 Ghz Intel Core i3 Processor with four slots for Memory, capable of holding four 4 GB 1333MHz DDR3 SDRAM Modules, but I can’t find these to purchase. Can someone suggest to me where I can purchase these, please? Thank you.

http://eshop.macsales.com/shop/memory/iMac/2011/DDR3_21.5_27

HT1423 after memory upgrade iMac crashes

I upgraded the memory on my iMac 21.5 mid 2010 in accordance with the instructions and now it continues to reboot and after a while the screen turns black and a beeping sounds occurs. Suggestions to resolve this are welcome.

D._Paul Schuilwerve wrote:
The specs are correct and have used Corsair Mac memory. Have used this brand also to upgrade another iMac and a Macbook Pro
So have I, my Early Core Duo has had 2 1GB PC2- 5300 667MHz Corsair modules in it for years and has never had a problem.
If you are sure that the modules a fully seated in the slots, then the only conclusion is that there is something wrong with that RAM.

Memory upgrade on iMac (Late 2006)

I want to upgrade the memory on my iMac (Late 2006). My present memory is 1GB 667 MHz DDR2 SDRAM. I am getting that information from the System Profiler. That (one) module is in one Memory Slot, and the other Memory Slot is empty.
The manual says the following:
+Your iMac comes with at least 1 GB of Double Data Rate 2 (DDR2) Synchronous+
+Dynamic Random Access (SDRAM) memory installed. You can add 1 or 2 gigabyte (GB)+
+memory modules for a maximum of 3 GB of memory. Memory modules must meet the+
+following specifications:+
+* Small Outline Dual Inline Memory Module (SO-DIMM) format+
+* 667 MHz, PC2-5300, DDR2 compliant (also referred to as DDR2 667)+
+* Unbuffered and unregistered+
And it also says the following:
+Your iMac has a top slot and a bottom memory slot. You can add a memory module to+
+the bottom slot and remove the memory module in the top slot to replace the+
+installed memory. You can add a 1 GB or 2 GB memory module for a maximum of 3 GB+
+of memory.+
I guess I should just do as Apple suggests and add a 2GB module to the other memory slot, to maximize the total memory in the computer at 3GB. But does anybody have any alternative experiences or suggestions? Should I perhaps add another 1GB module to the other Memory Slot so that they are both equal? Has anybody tried adding 2GB to each Memory Slot? What happens? It seems odd or unbalanced to have a 1GB module and a 2GB module as Apple suggests. Any opinions from people experienced in this would be welcome, and I thank you in advance.

Hi rosalarose
To check how much memory you have and your memory usage go to: Applications > Utilities > Activity Monitor and select System Memory.
Your problem sounds more like a Software problem with Safari than a Hardware issue with the Memory. Instead of piggybacking on someone else's thread you should post a New Topic of your own here or in the Safari section of the Forum with a more detailed explanation of your problem.
http://discussions.apple.com/forum.jspa?forumID=876

Do I need more memory on my iMac (Mid 2011)?

First and for most I want to make sure that I'm addressing the correct problem that's why I am asking a question that appears to be asked by many people on here. I mainly use my imac 27" to produce music (I use Logic and a LOT of plugins and instruments) and well I always get the following message:
I hate it because I get it everytime Logic reaches a point where a lot of instruments and sounds come in (It's annoying and ruins my work flow). I usually just have logic and chrome open, bc I close everything else to help my situation.
I bought my iMac thinking it would be faster than any laptop and I now realize that it doesn't matter if it's a laptop or a desktop but rather the memory it has and other things included. Anyways what would all of you recommend? What would be most useful to change? Would it just be adding memory (increasing the 4GB)? Thanks for your time!!
<Image Edited By Host>

I would just like to add to what everyone else said about 4GB really not being enough for doing much of anything. Even Safari and Mail can easily run up to the limit.
If you are running up against the memory limit, your computer will start doing what is known as "thrashing". On an OS like iOS, too much memory simply causes running apps to be killed. On Windows and OSX, if you try to use more memory than what is available, the computer will start to use a disk cache as if it was memory. It will try to put the "older" items in memory to the disk. If you need to access that memory, the OS needs to load it back from disk. The problem is that the disk is about 20x or more slower than memory. When your computer is thrashing, it will seem like it is not working at all.
If you are not running against the memory limit, then adding more memory will do absolutely nothing to improve performance. If you are running against the limit, you will be amazed at how much faster your computer will run with the extra memory.
As far as adding memory goes, as others have said, you need to add them in matched pairs. Also as other have said, the 2011 iMac secretly supports 8GB ram cards. (check OWC at macsales.com and they will confirm).
My advice would be to buy two 8GB cards ($109 at OWC) and add them in addition to your two 4GB cards. That will give you a total of 20GB. 20GB is TONS of memory and I am 100% sure that should be plenty for you. More is almost definitely overkill. You could almost definitely get away with adding 2 4GB cards for $50 as well (this would triple the memory you currently have), but memory is getting really cheap, and is a great way to "future proof" your computer.
If you want to see what your computer is doing, try looking at "Activity Monitor". If you start it up, sort the processes by "Real Mem" and you can see which processes are using the most memory (some of the processes will have cryptic names, but you should be able to tell most of them).
Also, click on "System Memory" at the bottom. Look at the "Page Ins" number ... if it is large, that means that you have been running into memory issues and having to "page in and out" memory to / from disk. You can also see what your processes are using currently. I forget exactly how OSX classifies the memory in each category, but Free is memory that is totally free, and "Wired" is memory that is in use. Active is basically memory in use, and Inactive is memory that is not really being used and can be made available for other processes, but I believe its being kept around in case the process that last used it decides it wants it back.

How do i add memory to my imac?

I plan on buying 1gb of Ram to add to my iMAC, however i don't see any spot on the system where the RAM card would fit in. The last thing I want to do is buy the memory and have no idea how to apply it so can anyone tell me like a step by step procedure to adding memory.
Also i'm a little thrown off by the prices of the memory.
One website tells me 1gb of Ram will cost me 300 bucks... and another tells me it will only cost about 100... can anyone explain that as well?

One website tells me 1gb of Ram will cost me 300 bucks... and another tells me it will only cost about 100... can anyone explain that as well?
You get what you pay for. IMO, quality RAM is well worth the $$$$ in terms of reliable performance. Seconding the previous poster, purchase the RAM from a reputable firm who carry Apple certified chips.
I purchase my RAM from MacRam Direct. Been a customer of theirs since 1999. Very dependable service and product.
iMac G5 Rev C 20" 2.5gb RAM 250 gb HD/iBook G4 1.33 ghz 1.5gb RAM 40 gb HD Mac OS X (10.4.7) LaCie 160gb d2 HD Canon i960 printer

Will more memory increase my iMac performance ?

will more memory increase my iMac performance ?

Depends.
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.

PNY PC3-12800 DDR3 memory work in iMac 27-inch late 2013?

Will PNY PC3-12800 DDR3 memory work in iMac 27-inch late 2013? I am setting up a new iMac and also wondered if the iMac will read 24 GB memory. Meaning the original 4X2 and an added 8x2 = 24GB. Any advice on these two questions is appreciated.

Welcome to Apple Support Communities
It should work without any problem, always that it meets these specifications > http://support.apple.com/kb/HT5908
Your Late 2013 iMac supports up to 32 GB of RAM, so you can use 24 GB of RAM without any issue. Also, you will take advantage of Dual Channel, that improves the RAM performance

I have a macbook 4.1 with osx10.6.8 and just added memory (2gig) so I could sync my new Ipome and Ipad. and Ipad. Now I'm told I need to upgrade my operating system. The apple store gave me conflicting instructions. Any suggestions? Thanks

I have a macbook 4.1 with osx10.6.8 and just added memory (2gig) so I could sync my new IPhone and Ipad. Now I'm told at the apple store that I need to upgrade my operationg system. They said they couldn't help and gave me conflicting advice about what to do. Any ideas? Thanks you!

There are three models of MacBook that comprise the 'macbook 4.1' category, and each of them a little different; however other than 'macbook 4.1' the other thing they have in common is they all are considered Early 2008. Two are white, one black, polycarbonate case, Core2Duo 2.1GHz, 2.4GHz white, 2.4GHz black.
So if you can determine which one, if any of these, is the model build year and spec you have, that would be handy. Did you tell whoever you spoke to the serial number of your computer, so they'd know by looking up the specs to see what the supported maximum RAM upgrade capacity was, and other minimum requirements to make any upgrade to Mac OS X 10.6.8 at all?
If you have the serial number you can do a lookup to 'indentify by serial number' online, and use that information to determine if the computer needs even more RAM to take it past the minimum for Snow Leopard 10.6.8 and then get it ready to upgrade (via paid download from App Store, Snow Leopard gets you that far) and see what the next supported OS X full upgrade would be for the hardware limitations on that old MacBook.
If your MacBook IS a 4.1 build, the highest OS X it could run if it has the 2.4GHz cpu, is Lion 10.7.5. That would be an upgrade from the App store, available to OS X 10.6.8+ computers that access it online. And I kind of doubt how supported a newest iphone etc may be in lion.
everymac.com has a fair amount of information across many years of Apple computing hardware...
Here's the three MacBooks that share the 4.1 designation; first shipped with as much as 1GB RAM upgrade and the other two only a 2GB RAM*, (one white/one black color) according to this information...
• MacBook "Core 2 Duo" 2.1 13" (White-08) 2.1 GHz Core 2 Duo (T8100)
• MacBook "Core 2 Duo" 2.4 13" (White-08) 2.4 GHz Core 2 Duo (T8300)
• MacBook "Core 2 Duo" 2.4 13" (Black-08) 2.4 GHz Core 2 Duo (T8300)
...as seen here: http://www.everymac.com/systems/apple/macbook/index-macbook.html
*But according to MacTracker (free: download database) http://mactracker.ca
these MacBooks can use more RAM in aftermarket specs as much as:
Maximum Memory
6.0 GB (Actual) 4.0 GB (Apple)
Memory Slots
2 - 200-pin PC2-5300 (667MHz) DDR2 SO-DIMM
To get more information use a service such as this...
•identify by serial number:
http://www.powerbookmedic.com/identify-mac-serial.php
The Apple? store or whoever you talked, to may have been as accurate as they could be without further research. Could be you may have a newer or older MacBook, which would change whatever later OS X it could run past 10.6.8. And to go past Snow Leopard, you need to download the last bits for 10.6.x to be able to go and get any later upgrade. The ones that may let a newest iphone or ipad work with it, are past SL10.6.8
Anyway, as you further verify the model build year and configuration specifications, report back.
Good luck & happy computing!

How do I get more memory on my IMAC .I have 1 GIG and to run LION you need 2 GIGS?

How do I get more memory on my IMAC .I have 1 GIG and to run LION you need 2 GIGS?

Depends on the Mac; what model and processor is it?
 > 'about this Mac' > 'more info'
In the first section (hardware overview) post this info;
Nothing below that is reqd, especially not the serial number.

Memory upgrade on iMac 20" Early 2008

I actually have 2 questions:
1) My iMac is running slow with CS6 installed and I need to upgrade memory. My iMac, Early 2008 with 2GB of memory, runs on iOS 10.9.5. Replace both slots with 2GB each or to replace one slot with 2GB makes much difference? I think DDR2 SDRAM SO-Dimm 800MHz is what I need. Does it matter what brand? Will this Dell brand works: Dell - Memory - 2GB - SO DIMM 200-pin - 800 MHz/PC2-6400 - unbuffered - non-ECC? It's the cheapest on Amazon. Or other recommendations?
2) I was set up with Mac and Window partitions. I seldom use Window. How can I combine the partitions to just Mac? I'm wasting 35GB of memory in an unused Window partitions.
Thank you.

posting on a mac forum would get you more help.

Memory Upgrade: 27" iMac, late 2009

Hey everyone,
Quite late to the game, but definitely should upgrade my imac's memory from the standard 4gb - However my mac doesn't show up in the shopping aides some of the manufacturers have on their homepages, so the subject is a bit shady.
Am I still able to track down the working hardware for this particular computer?
If so, any suggestions? Would these do?
Thanks!

I also have a late 2009 27" iMac installed 16 gigs of crucial memory, I ordered the mid 27" iMac memory running at Speed: 1333 MHz been running them without a problem for two an half years.
Here is the link. http://www.crucial.com/usa/en/compatible-memory-for/Apple/imac-2*8ghz-intel-quad -core-i5-%2827-inch---ddr3%29-mid-2010
I have Yosemite install running smooth with no issue. Now I'm waiting for Kodak printer driver update.

HT1423 Adding memory to my iMac

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