Pixel FX's new Morph 4K can upscale signals from retro consoles, including more recent systems like the PlayStation 3 and Xbox 360, and make old games look better on modern 4K displays.
Bellow Press - Previous Editions of Workplaces Magazine and The Business of Furniture
Pixel FX's Morph 4K Upscaler Can Make Your Retro Console Look Way Better
Pixel FX - Morph 4k and Retro G.E.M. - 4K Gaming Upscaler and Retro HDMI solutions
Upscalers
Morph 4K Pixel FX
Pixel FX Year in Review
Pixel-perfect integer-ratio scaling with no blur (integer scaling)
PixelFX Morph - Page 14
Playing Retro Consoles on 4KTVs is going to be easier than ever with the RetroTINK 4K and PixelFX Morph scalers
Upscalers, modern TVs and related blasphemy - Page 2 — - Now Ye're Talkin
Xbox One X Enhanced Games List
Retrogames: Most of them were opened just to sniff the shit out of them - The Something Awful Forums
PixelFX on X: With the Retro G.E.M. you can communicate non-video information like Game-ID for per game settings or use the console controller to navigate the Morph 4K menu. You can also
General upscaler thread - Page 18 - Classic Console Discussion - AtariAge Forums