PS4 Sales Have Dropped Off Enormously Since PS5's Release | Push Square
The best PS4 console deals in November 2022 | TechRadar
PS4 launches in Japan on February 22nd, three months after the US - The Verge
Xbox One or PS4 [PlayStation 4]: Which New Video Game Console Should You Buy? A Comparison of Xbox 1 and PS4 Price, Features, Specs, Games and Release Dates eBook by Eric Michael -
Chart: Advantage Sony - PS4 Price Undercuts Xbox One by $100 | Statista
Amazon.com: PlayStation 4 500GB Console [Old Model][Discontinued] : Video Games
PS5 details: games, price, release date, backward compatibility, and more - Polygon