Mac :: IMac 24" Memory Heat Spreader
Nov 29, 2010
I have been researching this and I have came up with no answer. There are note book heat spreaders available [URL]/Product/Produc...82E16835207003 and I was wondering if it will fit in an iMac. Yes I have looked to see how cramped up it is in the memory slot, but I found on the sunbeamtech website that the thickness of the total heat spreader is only .2" at the opposite side where the memory plugs in at. Also I found out the the thickness of the copper on the heat spreader is only .4mm thick which is very very minimal. I have just purchased one of these to test out with the 8GB ram I just purchased for $120 from newegg with a $20 mail in rebate
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Apr 29, 2009
I have got the 2.4ghz aluminium macbook, and I upgraded the ram to 4GB about a 2 months back. I have always felt that my macbook is slower now than before the upgrade(which is strange), but recently the situation became worst. My macbook would randomly heats up very quickly, iStats pro would show me that i only have 1-10MB of free memory, my fan would be running on 6200rpm. response rate would be much slower, and circle of rainbow also occurs much more often.I get panic whenever this happens(i have only got my macbook for 5-months), so when that happens i usually try to quit those application that i am not using like mail, safari, iwork 09 and etc. It didn't really help much(or maybe not at all) until at some point(around about 30-45mins) the systems automatically cools down, reduce fan speed and etc but similar problem would happen again in 30mins.
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Feb 7, 2009
Has anyone had an iMac working continiously for days/weeks? How hot did it get? Was there any problem?
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Sep 28, 2010
I'm planning to buy a new iMac in the next week but I'm looking for the one that will produce the less heat so that will make less fan noise. I'm only using it to watch YouTube and play World of Warcraft. Anyone know which one will produce less heat, i3 or the i5 or even the i7. Budget is not a problem. I prefer to pay a little more if I know I will have less fan noise so less heating. Anyone maybe have different model at home or at the office and noticed a difference between all the models ? Maybe it's more a size question between the 21.5 and the 27 inch iMac and less a cpu question ?
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Apr 26, 2009
I just got my new 24 2.8 imac to replace my original first gen intel 17 imac.
It seems wonderful, screen speed etc.
Only concern I have is that it feels awfully hot, especially upper left corner, not just the frame but also the screen itself.
Is that normal and expected?
My first generation imac with the Merom is basically cold compared to this one.
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Dec 23, 2009
Maybe someone can help me understand this a bit better. I have a MBP with a 2.16GHz CPU. I think it's about 2.5 years old. It has the ATI x1600 GPU. My dad previously had an iMac G5 2GHz but now has one of the new iMacs at 3.06GHz.When running iStat, I can notice an obvious difference in the CPU temperature. I don't think my MBP runs less than 120 degrees idle, while the iMacs were easily under 100. I haven't seen the new iMac while doing CPU-intensive tasks, but the old iMac never got above 140 if I'm not mistaken.As I'm encoding video on the MBP for a DVD using iDVD, it's getting up to 187 degrees. The CPU is using about 125 percent of my processing power -- 200 percent max if you didn't know. The temperature is the same even when HandBrake gets up to about 190 percent of processing.
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Feb 13, 2009
So mines at 142 degrees... that seems high to me but i am not really sure... i guess it is a heatsink it should be trapping heat
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Nov 23, 2009
im guessing this is a heat issue. My screen was flickering and cutting out. This is the first time it has happened. I was only surfing the internet and using itunes. I will post videos of what happened soon.
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Dec 22, 2009
The 27� models I have seen on display seem to generate an awful amount of heat radiating from the screen. Is this common?
Is the screen overly big for home office use in terms of heat, screen resolution/print readability or overall usability if one sits fairly close to the monitor?
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Jun 4, 2010
I am almost 100% that an iMac 27 is my target, (not quite discounted the MP but lack of remote without extra is actually a big factor).I would prefer the internal HDD bays and such forth, but I've had a MP before and as I have some ext FW its not a deal buster. The imac looks stunning, has simplicity and a nice big screen.My only real questions are (with it being on top of the desk); what's the noise and heat like for the i5 and i7 models? I'd like to get thoughts on both.For my uses an i5 has enough oomph, but the i7 would be nice (just speed up those transcodes etc).Is there a huge difference in the power draw on these machines (I have a 1200VA UPS).
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Oct 26, 2009
Those waiting for the quad core to roll out next month, any concern about the temperature buildup? I recently had some good fortune roll my way and will be getting the quad core iMac. After seeing some pictures of the inside, I am a little concerned about the heat buildup from the CPU, GPU, and the display. I know Apple does its homework, but is there too much in such a confined space without greheat circulation? Is this even worth worrying about?
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Oct 25, 2009
I don't know what the deal is. I'm trying to install 2 sticks of 2GB into my 7,1 iMac, and the screw just won't turn. I'm using a standard Phillips head, and nothin' doin'. The screw is now starting to strip, so I guess I'm going to have to take this into the friggin' Apple Store just to have them open the thing.
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Nov 16, 2010
Cheapest I found are about $160 shipped on Newegg or Macmall? Any other recommendations?
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Nov 17, 2009
Curious as I want to match the speed and pre-order another 4gb of ram (2x2gb) and didn't know what speed they went with?
I assume its as easy as the old iMac's as far as a screw underneath the screen and snap them in?
Also just curious about if their was a brand name on the memory they used - not that it matters just curious?
I ordered base 4gb ram and I am guessing its 2x2gb and I here it has 4 slots so I will buy another 2x2.
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Sep 6, 2010
I have an 40 GB SSD installed on my 2010 iMac 27" with a 2TB HDD hosting the users folder. I was running Transmission and encoding a DVD when I was told that I am out of Virtual Memory and must restart.
My question is: will using the SSD for Virtual Memory affect its performance down the line (as they should not be written to too much.) If so, how can I change my virtual memory storage location? *Xupport didn't work.
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Nov 18, 2009
While browsing around I've stumbled over a few references to things like "tri-channel memory" and such. From what I understand (not that good with these things) some computer architectures / CPUs are optimized for using 3 memory modules, and some for using pairs (2 or 4).
I just read some benchmark tests of the i7 with different memory configurations, and the 12Gb was is most cases on par or better than all the others when it came to performance, even better than the 16Gb one. Is the new iMac (i7) best suited to use 3 memory modules?
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Mar 9, 2012
Can I add memory to my iMac?
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Sep 9, 2014
Can I add more memory to my IMAC even if it is already came with 4Gh 1067 MHZ ddr3 ? I have recently upgraded to osx 10.9.3
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Jun 7, 2010
How should I go about adding more memory to my 2008 iMac? I currently have 1gb and I would like to upgrade to 4-6gb, depending on the price. I've heard OWC is pretty good all around, but it appears to be that they're only compatible up to 2007 imacs, so I'm assuming that wouldn't work for my computer. What's a good, reliable, and cost-efficient brand that will be compatible for the computer I have? and how would I install it?
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Sep 29, 2010
iam looking to update the graphics and memory for imac from late 2009. where i can find all this
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Oct 26, 2010
I am finally upgrading to an iMac and I need some help. I was looking at the 21in ones and I have a choice of processors 3.06 Ghz and the 3.2 Ghz (and even the i5 3.6 Ghz). Should I pay the extra $300 and move from the 3.06 Ghz to the 3.2? For this computer, I will be doing photo stuff and some video. Family things - nothing for work or commercial use. Or should I opt for more memory instead and not worry about the processor. From studing Apple, processor choice seems to help keep the machine current (or pertinent) longer than anything else.
The low level iMac seems ok, but should I bump up to the next level machine.
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Dec 15, 2010
Im looking to purchase a 4GB stick of ram for my Late 2009 27 iMac 3.06Ghz. I know it requires PC-3-8500 204-Pin DDR3-1066MHZ Small -- does anyone know of a good place online (or otherwise) that sells this for cheap? I DID find one online site, that would sell is for $77.30 USD... and that doesnt include any DUTY fee's if any would apply.
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Jan 19, 2009
Ok i just want to make triple sure that this ram will indeed work in my imac 20" 2.0 (late 07 model) which uses ddr2 pc5300 667 200 pin ram.
The only thing that is striking me odd is that this is the only ram on neweggs site that seems to be compatible with an iMac that doesn't actually show up under their Apple > Mac Memory category
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Mar 15, 2009
My iMac is from 2008, the first 3.06GHz version one (with Nvidia 8800 gfx card etc). When I got this one, I read somewhere that this was the first iMac to get the bus speed 1066MHz. When I look under information, it confirms this: "Bus Speed: 1.07 GHz". I instantly upgraded the memory to 4 GB from a local computer shop back then. When I look in the information, under memory I have: "Type: "Speed: 800 MHz"". Do I have too slow memory for the computer? I mean it runs fine and everything but I'm just wondering if I could potentially have faster memory in this computer. Would it make a big difference if this was the case? When looking in computer stores I can't really find memory that has the label SO-DIMM DDR2 - 1066MHz, so maybe I have the right one?
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Oct 19, 2009
I have a 10yr old G3 iMac, running X.3.9 and Classic, have 192mb memory and 105GB free space on HD. My question is what is the latest OS version I can install. I know I will need to add more memory but thats not a problem. Machine runs good, sometime slow with a lot of beachballs but dosen't freeze up or crash. Need newer OS so I can download some files I want and plan to get into the 21 century early next year with a new machine, if they release a new generation of the iMac or come out with a notebook with a numerical keyboard. Of course depending on the price of the software I may just bite the bullet and hold on to what I have till spring.
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Oct 30, 2009
Or does it really matter will any brand do or would you recommend a specific brand for an iMac?
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Nov 5, 2009
Just ordered a 24" 3.06 GHz refurb from Apple with 4Gb RAM - �700 off. It clearly states on the product info page that it can take up to 8Gb RAM. I visited Crucuial, and using their Memory Wizard thingy, selecting this machine it says that 4Gb is the limit. Who's right? Also, not sure how many slots there are in this machine. If I want 8 Gb am I going to have to ditch the 2 x 2 Gb to buy 2 x 4Gb??
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Nov 17, 2009
How many memory slots are in the 3.06 27 incher, and how many slots are taking up on the basic setup? If there are four slots, are all four slots filled with 1gb cards? Im curious because I ordered my iMac from my job here, and I also ordered 2gb of memory, thinking I can go from 4gb to 6gb of ram. I was going to order a 4gb card, but it was 200 euros at my job. If anything, I will order a couple of more 2gb cards, but that all depends on the number of slots available/open.
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Mar 2, 2010
My question relates to memory configuration. If I buy it with the minimum 4 gig, I think that's 2 2 gig modules. Can I buy two third party (OWC or Crucial) 4 gig modules and add them, giving me a total of 12 gig, or would have to get rid of the original 2 2 gig parts? If it's possible to mix the 4 gig pairs with the 2 gigs, will there be any negative performance issues related to that? If I can mix them, do I need to worry about who I buy the 4 gig parts from? Lastly, any positive or negative comments on OWC or Crucial (or other suggestions) for memory in general?
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Apr 27, 2010
I have a 27" iMac and recently picked up the latest model MacBook. I also picked up a 4Gb (2x2) RAM. I placed the 4Gb in the MacBook and decided to place that 2GB from the MB in my iMac to boost it to 6GB.
Here is my question, did I place the RAM in the best slots, assuming there is such a thing as best slots. I remember from the old day of PC that there was a strict order for placement else I may not get the most out of the additional RAM. It does register as 6GB when I click on 'About This Mac'. Below is a diagram and screen shot to show exactly what I did.
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