PlayStation 4 prototype controller reportedly leaked in dev kit photo - Polygon
PlayStation 4 becomes second best-selling console of all time - NotebookCheck.net News
Here's the first non-Valve Steam Machine prototype, care of iBuyPower (update: specs) | Engadget
A Fabled Nintendo PlayStation Prototype From 1991 Is Working
Developer Jeff on Twitter: "Was playing with lighting, and was asked to upload so here it is. Playstation 3 Super Slim Engineering Sample Prototype. With the extremely rare. Dualshock "Beta 2" Engineering
Somebody found a rare working Xbox 360 prototype
Game Developers Have Sony's PlayStation 5 Early Prototype and Fans Are Abuzz
Sony has reportedly shipped prototype PlayStation console devkits: Could it be the PS VR2 or the PS5 Pro?