512MB RAM Memory for Leo PS3 (PC2700) - Laptop Memory Upgrade from OFFTEK : Amazon.ca: Electronics
PlayStation 3 Slim Teardown - iFixit
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XDR rambus on the PS3: faster is better | N4G
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 Super Slim specs revealed: check out the official details here | VG247