PS5 sales figures: PS5 hits 17.3 million shipments, PS4 at 117.1m | TweakTown
Switch, PlayStation 4, and Xbox One sales are all on fire | VentureBeat
PS4 sales peter out as console reaches hardware saturation | TweakTown
NPD February: PS4 still top of US retail chart, hardware sales drive YoY and MoM growth | VG247
Lifetime PS4 hardware shipments hit 100 million | VGC
PS4 Leads US Hardware Sales In June 2017 NPDs - GameSpot
March NPD: PS4 leads hardware sales, Titanfall rules software | Engadget
PlayStation lifetime hardware sales top 525.3 million, PS4 Pro limited edition coming | VentureBeat
PlayStation 4 sales hit 112.3 million worldwide, up 1.9 million in Q1 | TweakTown
PlayStation 4 tops U.S. video game console sales
Hardware and Software sales 2019 in many countries | ResetEra
PS4 has sold more games than any other console; PS5 hardware sales outpace PS4 - Game Freaks 365
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
PS4 Surpasses Yet Another Sales Milestone - Push Square
PS4 Smashes Two Million Sales Milestone in Japan - Push Square
PS4 Tops Hardware Sales in US for April - IGN
PS4 Drops Sharply in Japanese Hardware Sales Chart After Tax Hike; Natural Doctrine Flops Hard
PlayStation hardware and software sales decline in Q3 FY19 | by Sohrab Osati | Sony Reconsidered
Sony PlayStation unit sales by console 2021 | Statista
PS4 Console Sales Limp to Just Over 116 Million - Push Square
PS4/XB1 Adoption Rate Is Well Ahead of PS3/360 in the UK; Significant Further Hardware Sales Expected
Sony financials: PS4 hardware and software sales 'lower-than-expected'
Where Switch, PS5 Rank Among the Best-Selling Video Game Consoles of All Time - IGN
