Is the Xbox Series X repeating Sony's biggest mistake?

The Xbox Series X’s use of proprietary storage smells strongly of Sony's brilliant-but-doomed handhelds

A Digital-Only Xbox Series X Model Could Be on the Way

Why is the Xbox Series X, S storage card so expensive?

Sony Is Making the Same Mistake That Almost Killed the Xbox

Poll: Is PlayStation Losing Ground to Xbox?

Microsoft vs FTC: Xbox Made a Mistake (And Sony Does too)

Xbox Series X, S vs Xbox One Sales Comparison - March 2023

In-depth: How Microsoft could build an empire of mobile Xbox gaming handhelds

Is the Xbox Series X repeating Sony's biggest mistake?

Microsoft should sell its Xbox business to Sony PlayStation

I believe this is going to be Sony's biggest failure. They should've make another handheld like PsVita. But it should be compatible with regular SD cards. And should have Ps1-Ps2-Ps3-Psp and PsVita

Can you build a PS5 or Xbox Series X PC for $800?

Sony Blows Microsoft Out of the Water, Tops 40 Million in PS5 Sales

Xbox Series X review: Microsoft recaptures the magic of the Xbox 360 - Polygon