- Rising PS4 game sales drive Sony to full-year revenues | GamesIndustry.biz
- Report – PS4 hardware sales in April more than Xbox One and Switch combined - PowerUp!
- PS4 Leads US Hardware Sales In June 2017 GameSpot
- 4 Tops In For Hardware And Software In July - Informer
- Switch Sales Comparison October 2021
- List of best-selling consoles Wikipedia
- PS4 Console Sales Limp Just Over | Push
- Sony trumps Microsoft as PS4 outsells Xbox One for U.S. console sales in August – GeekWire
- PS4 sales top 76 million – but numbers have dipped TechRadar
- PS4 sales total 117.2 million – 2nd biggest console ever | Metro
- PlayStation sales million, PS4 Pro limited edition coming | VentureBeat
- PS4 leads US hardware sales February, but by narrow GameSpot
- PlayStation 4 sales top 50 - Polygon
- Global PS4 unit sales 2021 | Statista
- Sony sells 3m PS4 in as operating income jumps | GamesIndustry.biz
- PS4 sales top 20.2 million worldwide - Polygon
- PS4 tops hardware sales US April
- Switch vs vs Xbox Global Lifetime Sales - January 2021
- PS4 sales spike during the pandemic - The Verge
- PS4 Sales 117.2 Production Winds Down - GameSpot