Question Useable memory RAM issue

Aug 2, 2019
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Hello,

I'm running windows 7 64bit with 16GB HyperX Fury 1333Mhz memory. I recently added a 16GB kit (2X8GB) to give me a total of 32GB RAM however this ram is rated at 1600Mhz and also from Kingston HyperX. I read most forums that the 1600Mhz RAM would down clock itself to 1333Mhz. In system performance it shows up as 32GB (16GB useable) However, in BIOS Total memory shows up as 32768 (32GB). I tried to troubleshoot and tried a few methods online such as msconfig max memory settings with no luck. What am I missing?

MOBO is ASUS B85M-G
i7 4770K 3.4 Ghz

in BIOS TOTAL RAM shows up as 32768
DIMM_A1 8192MB 1333MHz
DIMM_A2 8192MB 1600Mhz
DIMM_B1 8292MB 1333Mhz
DIMM_B2 8192MB 1600Mhz

Are there any solutions to resolving this problem, or am I just stuck with some useless RAM? If not, I'll have to just sell the RAM at a loss or try to see if I can return it at the store I bought it at.

Any help would be greatly appreciated.

Thanks.
 
Aug 2, 2019
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So, basically if I have windows 7 64 bit home premium, I'm limited to only using 16GB of RAM regardless of my MOBO can support maximum of 32GB?

So for me to utilize all RAM, I would have to upgrade to windows 10 home/ pro x64? Or is there a way I can by pass this limitation?
 

Phillip Corcoran

Titan
Moderator
For Windows 7, unless you can upgrade to Professional, Enterprise or Ultimate, the limit imposed by your Home Premium Edition is 16GB. There's no way to bypass the RAM limit imposed by the OS.

Windows 10 (even the Home Edition) can address much more than that:

 
Aug 2, 2019
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I just upgraded to Windows 7 Professional Genuine Copy today and I now see 32 GB installed memory and 31.9 GB usable memory. It's simply was the operating systems upper RAM limits preventing the user for utilizing the memory installed as long as the MOBO could support it. Why would windows limit upper RAM on Windows 7 Home Premium?

Although now I seem to be having issues with my Nvidia GTX 670 graphics card not being detected. Nvidia installer cannot continue. Downloaded drivers from Nvidias website for Win 7 64 bit. ver 431.36.

Thanks a bunch everyone.
 

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