I have 4 gb memory on my desktop computer and I would like to add more. System Information tells me how much memory my computer has, but not what kind. As I remember, it would be written on the memories but then I need to open the computer only to check it and know what to buy. Is there any more simple way to know what memory I need without open the computer now?
Yes.
Go here https://www.crucial.com/
press Start your scan. It will tell you how much and what type of RAM is installed. It will also tell you the maximum RAM you can install as well as the maximum size stick in each slot.
You do not have to buy your RAM from Crucial. Write down the information you are given and you can search for RAM at other sites.
Thanks for the replies. My computer is "home made", I mean, parts put together in 2011 and just running fine all this years with Win 7 ultimate 64 bits. But with all the updates that software requires, I know I need more memory. I run CPU-Z and it gave me the following infos. What I need to know to order more memory?
About crucial.com, I clicked on "Start your free scan", then downloaded CrucialScan.exe, ran it. It opens another website on Firefox where I received a warning from NoScrypt . How safe is this?
Thank you. As I understand, since I have 4 GB of RAM I need to buy 3 modules of 4 GB. And the modules must be " 240-pin DDR3-1333 MHz, 1.5 volt, CL=9, Unbuffered, Non-ECC ", right? Any suggestion where it is best to buy them?
Are you sure you currently have 1 x 4GB module (not 2 x 2GB or 4 x 1GB). Memory is usually installed in pairs, as it operates faster that way. Check the SPD tab in CPU-Z. There is a drop down menu for each slot there, so check each slot to see what it is populated with. If you are reusing your current memory, the new memory should be the same make & model, if possible. Otherwise, ensure the timings (CL, tRCD, tRP, tRAS) are exactly the same (9-9-9-24, in your case).
Thanks for your reply. I am not very experienced with hardware and not want to buy the wrong thing... I checked the SPD tab, and you are right: slot 2 and 4 are empty but here is the image of what slot 1 and 3 say:
I have a question Frank. Is it possible to keep 2GB sticks in slots 1 and 3 and add 4 GB sticks in slots 2 and 4 and run with 12 GB of RAM? Or must all four slots have the same size sticks?
You probably meant to say is it possible to keep 2 GB modules in slots 1 and 3 and add 4 GB modules in slots 2 and 4 and run the computer with 12 GB of RAM.
It would probably work that way, but putting the larger capacity 4 GB modules in slots 1 and 3 would be the better way to do it.
Thanks Frank, I'll edit my post for the correct slots.
So slot 1 (and 3 that is paired with it) should have the larger capacity sticks. Got it.
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