How Low Will the Price of PS4 Go? | NeoGAF
PS4 Most Successful Console Launch Ever
Switch vs PS4 vs Xbox One Global Lifetime Sales - June 2021
Are the PS4 and Xbox One really that expensive, historically? | Ars Technica
Game release chart for Xbone and PS4 | NeoGAF
PS4 Tops Console Sales Charts in US June 2015 NPDs - GameSpot
11/01/2013 - 12/01/2013
Xbox One X Compared to PS4 Pro/PS4 and Xbox One S in Microsoft's XB1X Promotional Book
Switch vs PS4 Sales Comparison - May 2022
PS4 sales dwindle, total 116.1 million as PS5 breaks into Sony charts
Sony Corp PS4 VS XBox One: A Console War In Charts - LearnBonds.com
PS4 vs Xbox One in the US – VGChartz Gap Charts – May 2018 Update
PS4 vs Xbox One in the US – VGChartz Gap Charts – February 2019 Update
PS4 sales dwindle, total 116.1 million as PS5 breaks into Sony charts
![Has the PS4 peaked? Annual console shipments are flat for 2017 [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2018/02/ps4peak.001-760x380.jpeg "Has the PS4 peaked? Annual console shipments are flat for 2017 [Updated] | Ars Technica")
Has the PS4 peaked? Annual console shipments are flat for 2017 [Updated] | Ars Technica
Global PS4 console unit sales 2021 | Statista
PlayStation Charts: Top Downloads In March 2022 | EarlyGame
Chart: Rip-Off or Bargain - How Expensive Are PS4 and Xbox One Historically? | Statista
PS4 and PS5 UK Games Chart News Week Ending 29th January | PlayStation Fanatic
Chart: A PS4 Costs 4x as Much in Brazil as in the U.S. | Statista
The Riftbreaker Charts a Course for PS4 – PlayStation.Blog
