Wii U, PS4: sales figures in Germany 2018 | Statista
Microsoft Says Xbox Consoles Have Always Been Sold at a Loss | PCMag
Global Xbox gaming consoles unit sales 2021 | Statista
What Sony's '4.2 Million PS4s Sold' Figure Actually Means - IGN
Xbox One S (2016) - Used and Refurbished - Swappa
![Analysis: Worldwide PS4 sales at least 40 percent better than Xbox One [Updated] | Ars Technica](https://cdn.arstechnica.net/wp-content/uploads/2014/10/ps4vsxb1.jpg "Analysis: Worldwide PS4 sales at least 40 percent better than Xbox One [Updated] | Ars Technica")
Analysis: Worldwide PS4 sales at least 40 percent better than Xbox One [Updated] | Ars Technica
Xbox One is close to selling 45 million units worldwide. : r/xboxone
Switch vs PS4 vs Xbox One Global Lifetime Sales – January 2020
Xbox One sales turned out to be less than half of PS4 - GIGAZINE
EA Reveals How Many Xbox One Consoles Have Actually Been Sold | Cinemablend
PS4 to Reach 69 Million Sold by 2019, Xbox One 39 Million - Report - GameSpot
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Xbox One lifetime unit sales by region 2022 | Statista
Turns out Xbox One sales were less than half of the PS4's, says Microsoft itself | VG247
Xbox One sales to hit 63 million in 2021, says DFC | TweakTown
EA suggests that Microsoft sold around 30 million Xbox One consoles by the end of 2017 - MSPoweruser
Ubisoft Selling Twice The Number Of Games On PS4 Compared To Xbox One - MSPoweruser
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April NPD – Xbox 360 Remains the Number One Selling Console in the U.S. - Xbox Wire
More than a million Xbox One consoles sold on launch day
Xbox One - Wikipedia
Over 1 Million Xbox Ones Sold in the First 24 Hours - ABC News
NPD Group: Biggest September for Xbox 360 software sales - The Official Microsoft Blog
Xbox One totals 5M units sold to retailers worldwide - CNET
