PlayStation 4 console hardware finally revealed | Engadget
E3 2013: PlayStation 4 Will Cost You Just $399 When It Launches | Push Square
GDC 2013: Sony Reveals Additional Details About PS4 Hardware - PC Perspective
E3 2013: Sony Press Conference - PlayStation 4 Console Reveal & Price | The Young Folks
Buying A PS4 In 2013 vs 2019 - YouTube
Sony Reveals 2.1 Million Global PS4 Sales
The Xbox One Is Enormous In Comparison To The PS4 | TechCrunch
PlayStation 4 sales beat Xbox One sales in 2013 - CBS News
PlayStation 4 installs every game to its hard drive (even disc-based titles) | VentureBeat
PS4 Review (2013) - IGN
PlayStation 4 Introduction and Black Friday 2013 Price Predictions | BestBlackFriday.com
PlayStation 4 - Wikipedia
Amazon.com: HumanCentric PS4 Mount for PS4 Original (2013 - mid 2016 Model) + 2 Controller Mounts Bundle (Black) | Mount on The Wall or on The Back of The TV | Patent Pending : Video Games
PlayStation 4 Pro finally breaks cover and begins a mid-generation battle | PlayStation 4 | The Guardian
Original (2013) PS4 | TechRadar
The Ultimate Guide to PS4 Magazine (Digital) - DiscountMags.com
PS4 supports used games and features no online check-in - GameSpot
Sony reveals the PlayStation 4 ahead of holiday 2013 launch (updated) | Ars Technica
PS4 vs. Xbox One (2013) - Complete Console Comparison - Tom's Guide | Tom's Guide
Evolution of PS4 (2013-2018) - YouTube
PS4 Review (2013) - IGN
PlayStation 4 hardware review: Off to a mixed start | Ars Technica