It's the recommended spec, not a requirement. And they're just following the industry. The bang-for-buck point for gaming PCs has been 8GB for a while now: The

It's the recommended spec, not a requirement. And they're just following the industry. The bang-for-buck point for gaming PCs has been 8GB for a while now: The price difference is not great, and while some modern games won't use more than 4 gigs, some will. It's nice to have.