PlayStation 3 technical specifications - Wikipedia
Sony PS3 review | TechRadar
Some helpful information when buying a ps3 (and how to identify one without knowing the serial model number) : r/PS3
Amazon.com: Ps3 Sony Playstation 3 60gb 60 gig Fully Backwards Compatible Model CECHA01 Console System with 4 USB ports and Memory card reader ports : Video Games
PS3 Console Identification - YouTube
PS3 Slim System 160GB Model CECH-3001A
Models - PlayStation 3 Wiki Guide - IGN
PlayStation 3 models - Wikipedia
PlayStation 3 models - Wikiwand
Amazon.com: PlayStation 3 Slim Console 120GB (Old Model) (Renewed) : Video Games