If your had two 4 GB modules and you added an 8 GB module to it, it actually has 16 GB of RAM.Installed 12GB of RAM into my PC: Only 3GB is being used.
I have 3 RAM cards.
2x4GB RAM cards, and a single 8GB RAM card.
I installed all three, but they aren't being used?
MSI 970 GAMING motherboardOS Version: Microsoft Windows 8.1, 32 bit
Processor: AMD FX(tm)-4350 Quad-Core Processor, x64 Family 21 Model 2 Stepping 0
Processor Count: 4
RAM: 3036 Mb
Graphics Card: NVIDIA GeForce GT 640, -2048 Mb
Hard Drives: C: Total - 953766 MB, Free - 871965 MB;
Motherboard: MSI, 970 GAMING (MS-7693)
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