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Difference between CMSS512MB266 and VS512MB266


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  • Corsair Employees

Please look up your system on our memory configurator and use a module that is suggested.


The Value Select and System Select modules are functionally the same. CMSS parts are built with a restricted bill of materials deemed to provide the best compatibility with OEM systems. As such, we often do not have the capability to use low cost material.

I expect that the VS part will work correctly in your system. And, of course, Corsair's lifetime warranty is in full effect if it does not. Our confidence of first pass success is highest, however, with CMSS parts. However, if you plan on adding to the memory that came in your system System Select would be suggested.

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