Intel Mac :: Use 2 X 8GB To Increase The RAM In 27 To 16GB?
Mar 28, 2012Can I use 2 X 8GB to increase the RAM in my iMAC 27 to 16GB?
Info:
iMac, Mac OS X (10.7.3), 3.4
Can I use 2 X 8GB to increase the RAM in my iMAC 27 to 16GB?
Info:
iMac, Mac OS X (10.7.3), 3.4
I have a late 2011 MacBook Pro with 8 GB of RAM installed - I bought the Corsair memory from Amazon for under $50 and installed it myself. Amazon now has a 16GB kit fro Corsair for only $100 - the least expensive price I've found. The only RAM intensive app I really run is Photoshop CS6,but I do keep a lot of apps open at one time (Acrobat Pro X, Outlook, InDesign CS6, Illustrator CS6, Word, Parallels running XP, iTunes at the moment) and I was wondering if the extra RAM would actually help me out. I'm looking for some advice from people who have already upgraded to 16 GB... can you actually tell a difference?
Info:
Mac OS X (10.7.4), 8 GB RAM, 500 GB int, 1 TB ext
I've seen some saying my iMac can hold up to 32GB of RAM. But the manual says 16. Does it take advantage of ram above the stated 16 and I'm thowing money away? Or will it work? As long as it fits in the slots, right?
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Here's my system information, if it helps: Processor 2.7 GHz Intel Core i5 Memory 4 GB 1333 MHz DDR3 Graphics AMD Radeon HD 6770M 512 MB Software Mac OS X Lion 10.7.3 (11D50b) and:   Model Name:         iMac Model Identifier:    iMac12,1 Processor Name:         Intel Core i5 Processor Speed:    2.7 GHz Number of Processors:         1 Total Number of Cores:         4 L2 Cache (per Core):         256 KB L3 Cache:         6 MB Memory:         4 GB
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I have an Intel-based iMac 9.1 bought three years ago. Originally it had 2GB RAM, which I soon expanded to 4 GB.I'm currently running Snow Leopard, and I'm considering an upgrade to Mountain Lion. However, I fear this upgrade would be too much for my Mac to run smoothly.I wonder if I could add another 4 GB RAM, and more important, if I would experience any sensible improvement in performance. I have read that sometimes more RAM is useless because your computer simply can't use it completely, so would it be useful in my case?
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I would like to get it up to 16 GB, but the cost of me getting that laa at once is a bit prohibitive. Is it possible for me to get an OWC 8 GB kit now and then add two more 4 GB sticks at a later time, or do they have to be matched or paired in some way?
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can I install two 8GB RAM (total 16GB) in my iMac? I have the early 2009 version of the iMac 24" 2.93 GHz intel core 2 duo. I already have 8GB (2x 4GB) 1066MHz RAM installed.I do very intensive photoshop art (the saved PSD files usually exceed 1GB, and while the document is open in Photoshop, it can exceed 5GB -- but of course PSD files cannot be saved over 2GB so I usually have to delete unused layers to reduce its size). I usually end up using more than 8GB of RAM for this (image files, with multiple layers, layer styles, etc, at 24,000 x 12,000 pixels of resolution, even in 8-bit 8GB of RAM is not enough).I need more RAM, but I do not want to buy a new iMac just for this.
I know the official maximum is 8GB (4GBx2) which is what I have, but I know that when this model was released, there were no 8GB RAM easily accessible. Now there is, for under $200.I want to upgrade to two 8GB sticks, to instease the RAM to 16GB, which would be exactly what I need.
Info:
iMac, Mac OS X (10.7.3), 2.93 GHz 2 Duo; 8GB 1067 MHz DDR3
I just found THIS
http://www.maxupgrades.com/istore/in...ategory_id=343
where they state that the max RAM is 16GB. Do they KNOW something? This would throw up in the air all my thinking about which MacPro to buy.
I am an old Mac hand (and before, Apple IIe, IIc, then Mac 128, 512, Plus, Se, IIx.... to a Dual G5 1.8GHz now), but a total newbie as far as Intel is concerned, so please pardon me if my conjectures are completely off whack, and for the large number of questions.
Looking at the ill assorted (in my view, particularly pricewise) lineup of the latest Pros, I have come up with the following ideas:
- Buy a quad 2.66 with up to 8Gb and be happy for the time being (I have 2.5GB now), with better single thread performance than the 2.26 and still 8 thread performance available WHEN there will be apps to use it (none/few of those I use do, as far as I read around, in any case, and even those seem to stop at 2/4 cores anyway).
- IF the 4GB sticks work (I know this is a big if, but given what I just found, there might be hope....), buy them at a later stage when they come down to an acceptable price and get to 16. I see a lot being written around along the lines �Even if they work, they cost more than the computer today.... etc, but RAM prices normally go down fast, so is this really an issue (except if you need 16GB NOW, of course)? And arent 8GB sticks likely to appear later on to get it to 32 if needed?
-Buy a used 2.93 or faster chip in 2-3 years. I have no idea of how cost effective this has historically been. Do prices go down significantly, or am I likely to get in the ballpark of the delta with a used, faster machine, as it often happened in the past with CPU upgrades?
-Are future chips likely to be compatible with the current machine (can someone who understand the Intel roadmap shed some light here?), or would I be limited to the 2.93 which is known to work?
-In case the 4Gb are proven to be unusable and I go for the octo, can changing chips work by replacing the 2.26 at a later stage? Knowing that I would need to buy 2, would the economics still work? It seems more unlikely, or is it?
-I remember reading about using the graphic card chip to reinforce computing power. Is this fact or forecast? Is this true of both Nvidia and ATI or (as I seem to remember) only Nvidia? If so, is it better for the long term to choose the cheaper standard Nvidia or the ATI, which seems better right now?
-Does any of these cards give an advantage over the other NOW in Photoshop, iMovie, Aperture (I have tried it on my G5, but scrolling a large collection of photos is a pain)? I do some video but no #D, nor do I think I will do in the future.
-Last quesstion for those who have a 2009 Pro in their hands, I have had always problems with USB peripherals on my G5. At some point the bus slows down to a crawl, with transfers of 1Mb/s. According to a local vendor the 2008 Pro was similar because he said it was a limitation of USB architecture, is this true? Has there been any improvement with thee better memory architecture of the 2009 Pros?
Can the QCore Mac Pro have 16GB RAM? 4x4GB?
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