PlayStation 3 technical specifications - Wikipedia
PS3 Internal Memory Cards for Backwards Compatibility Hands-on - IGN
How much RAM does the PS3 have? I have read 256MB, but no way in hell could that run GTAV, or any other game, at 30 FPS. Can someone confirm this? - Quora
PS3™ | Using saved data
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PlayStation 3 technical specifications - Wikipedia
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memory - Why PCs need much more RAM than video game consoles to run the same games? - Super User