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I was thinking about extending my memory a bit.

I have Windows 8.1 Professional 64-bit installed, and I've read on the Internet that it supports up to 128GB.

Does this mean that I'm okay to install 2x8GB? Is there a hardware limitation on it?

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    I guarantee you the laptop in question does not support more then 8gb of memory no desktop or laptop on the market supports 128gb
    – Ramhound
    May 13, 2014 at 10:16

3 Answers 3

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I think you've got an understanding but to be clear, the OS has a limit on how much RAM it can use, but so does the motherboard itself. You can only use the lowest number of the two. In this case, the lowest is your motherboard. The laptop actually only supports up to 8GB.

Memory

  • PC3-8500 Non-Parity (NP) Double Data Rate Three (DDR3) Technology
  • Two SO-DIMM Slots
    • The use of 1067 MHz SO DIMM memory is recommended for this system.
  • 1 GB, 2GB, or 4GB memory
  • Supports up to 8GB maximum memory
  • 2GB, 4GB Intel Turbo Memory (selected models)

Note: Only 64-bit operating systems support more than 3GB of system memory (RAM).

Found here: http://support.lenovo.com/en_US/detail.page?LegacyDocID=MIGR-75387

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  • Isn't it possible that they say 8 GB only because it comes with win 7 originally?
    – Tamas
    May 13, 2014 at 10:08
  • No, that's not going to be the case. I'm afraid, it is limited to 8GB. Why do you feel you need 16GB?
    – Dave
    May 13, 2014 at 10:12
  • I need 16 GB as I started to use programming with an API that really needs a lot of ram. But I'll upgrade to 8 gb then.
    – Tamas
    May 13, 2014 at 10:15
  • You are using an API that requires 16GB? That means every client requires the same then... That is insane! Good luck with that!
    – Dave
    May 13, 2014 at 10:16
  • Not really :) So the thing is that I'm doin web-programming with visual studio (asp.net) and of course I have other stuff open as well, like outlook and several web pages.
    – Tamas
    May 13, 2014 at 10:22
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Its believed that the T410 only supports 8gb. I've tried 16gb myself and it would not post. 8gb works fine (2x4gb). The manufacturers information is pretty much useless.(I suspect you know that,otherwise you would not have asked here) For example, I have some 965,P35 and P45 based Core2 laptops that the manufacturer says support 4gb, but really support 8.The manufacturer tested the system with what was available when it was made.If your lucky,they may have updated that list at some point after the laptop was released. But for most manufacturers, after its out of production you are lucky to even get a BIOS update.

Fortunately, there is a specification that memory is made to and often that specification includes things that are not on the market yet, like DIMM modules in sizes that are not yet feasible. If the BIOS and the computers hardware follow that spec the newer parts might work, but there are plenty of gotchas. For example, its difficult to test that the hardware DOES follow the spec regarding things that don't exist yet. (It can be done,but its difficult which means it costs more) There could be a problem with the hardware for example a wire,in the wrong place (or missing) that does not effect the current parts out there,or a timing issue that is close enough for whats available, but messes things up with the new part. There could be bugs in the bios that cause something to not initialize yet. Or the programmer could have only programmed it to work with what was available and it wont know what to do with the new ones. On top of that, the specifications for products that don't exist yet can change. Perhaps because of board layout considerations or the way they make the chips, timing can change, or new use cases may have come up since the original specification was published and they may make changes in the final product and update the specification to support those. But quite often with memory modules, the new ones work fine if the underlying hardware supports it. (for example, the 945 chipset in many first generation Core2 products ONLY supports 4gb of ram, (not even that when you factor in devices mapped in) The memory controller has 32 address lines, and that's it. Nothing can change that.The 965 chipset on the other hand can support 8. if the board was made right,and the bios supports it,you can drop 8 in (4gb dd2 is actually rather pricey though,so you would be better off picking up a newer laptop,AND 8 or 16gb of DDR3 for the price you will pay)

Asking around on forums for your laptop is a good idea. See if you can find someone who has actually DONE it. (Not someone who says they have seen it or heard of it). Find out exactly which modules they used. Even if you don't buy them you want to know the specifications like cache latency ,organization (google rank vs row for ddr and get a good understanding of what they mean), and voltage (different modules run at different voltages and some motherboards are rather picky). Then buy it someplace with a really good return policy. Preferably local. If there's a Frys near you,that's ideal as they have a good policy.Another way to see if a memory upgrade is plausible is to see if there are ANY other systems with similar hardware (laptop with same chipset) that use the desired size memory. If for example,you find that Dell shipped a similar laptop with 16gb of memory, you know the chipset can support it, its a matter of whether its wired right and the bios supports it. You can also look for someone with a similar laptop has upgraded even if the manufacturer doesn't say it works. If your buddy with a Dell laptop using a Panther Point chipset and a Ivybridge cpu got 16gb working, its not unreasonable to hope (not necessarily expect) that your T530 that uses the same parts might also be able to use it, even if both dell and Lenovo tell you that it only runs 8. But if it doesnt work, dont be surprised either.

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  • This answer seems to much like commentary. You have the same laptop, have attempted the same upgrade, and are not 100% sure if it worked. You then talk about "your buddy" but the author was asking for themselves. In addition despite the fact, the accepted answer literally submits the specifications for the device itself which are determined by Dell, you don't provide a definite answer one way or another just talk about other hardware where it did work. You wrote a lot of text to end up with "if it doesn't work don't be surprised either".
    – Ramhound
    Feb 1, 2018 at 18:42
  • The common answers of "Here are the specs so it won't work" are more often than not, wrong. It's probably more common for lap top to be able to use MORE ram than their manufacturers say than the listed specs to be right. The answer IS that it's up in the air, but in the absence of hard days that it works work, if he wants more memory, it's worth pursuing. May 2, 2018 at 6:58
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I also have Thinkpad T410. The reason you cannot have 16GB of RAM is because of the limitation of the CPU. The CPU that comes with T410 is Intel I5-520. First generation i5 CPU. It can only reference up to 8GB. That is why you cannot have 16 GB of RAM.

See https://ark.intel.com/content/www/us/en/ark/products/47341/intel-core-i5-520m-processor-3m-cache-2-40-ghz.html

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