PlayStation 4 hits 10m sales as Sony announces SharePlay initiative | Games | The Guardian
PS4 Pro Launch: Features, Specs, Everything We Know
Global PS4 console unit sales 2021 | Statista
PS4 Has Reportedly Sold a Ridiculous 68 Million More Units than Xbox One | Push Square
PlayStation 4 Sales Surpass 91.6 Million Units Worldwide After The Strong Holiday Season
PlayStation 4 sales are actually speeding up | Engadget
PS4's sales dominance slackens slightly in holiday season | Ars Technica
Limited Edition PlayStation 4 Pro In Celebration of Over 500 Million Sales! - GamerBraves
PS4 Has Sold More Games Than Any Other Console in History | Push Square
Here's how PlayStation 4 sales stack up to the best-selling game consoles ever
PlayStation 4 lifetime unit sales by region 2022 | Statista
PlayStation 4 - Wikipedia
PS5 vs PS4 Sales Comparison - July 2021
PS5 vs PS4 Sales Comparison - July 2022
PlayStation 4 sales pass 5m worldwide | Games | The Guardian
PlayStation 4 Is Sony's Fastest Selling Console In Asia, PS Vita Sales 25% Up Due To PS4 Launch
Global PS4 console unit sales 2021 | Statista
PlayStation 4 Approaches 100 Million Sales - Game Informer
PlayStation 4 Tops 40 Million in Sales | PCMag
PS5 Reveal Caused PS4 Sales To Fall Below Sony's Expectations - GameSpot
The PlayStation 4 has now shipped 76 million units, set to overtake PS3 sales by year end - NotebookCheck.net News
PS4 sales dwindle, total 116.1 million as PS5 breaks into Sony charts
Sony has sold over 70 million PS4 consoles, 2 million VR headsets | TechCrunch
