FAQ - Frequently asked questions about MSI A7200 P6403
Which capacity does the factory installed memory of the MSI A7200 P6403 have?
The A7200 P6403 is supplied with 4GB RAM.
What is the maximum memory capacity of my MSI A7200 P6403?
The maximum memory size of the A7200 P6403 is 8GB. 
The phs memory® option for my MSI A7200 P6403 is faster than the existing RAM - Is this a problem?
If your system is limited to a slower memory speed, the "Fallback Speed Setting" in the SPD of the phs memory® RAM-Modules ensures the support of slower memory settings down to the given memory speed.
Will the legal warranty of the device expire, if I install a new memory module?
The legal warranty right of your A7200 P6403 will not be affected if you install the memory yourself.