PlayStation 4 -- Neo Project

PlayStation 4 Neo is an updated version of the PlayStation 4 console, designed to deliver 4K, HDR video, high-framerate gameplay, and other advanced features.

Sony: PlayStation Neo /PS4K Won't Shorten PS4's Lifecycle - Yoshida Surprised to See Project Scorpio at E3

PlayStation 4 - Sega Retro

PlayStation 4 -- Neo Project

The New Playstation 4 And PS4 Pro Have Been Revealed

Sony announces PlayStation 4 Pro with 4K HDR gaming for $399 - The Verge

PlayStation 4 slim for Sale in Port Orchard, WA - OfferUp

Sources: The Upgraded PlayStation 4 is Codenamed NEO, Contains Upgraded CPU, GPU, RAM - Giant Bomb

PlayStation 4 -- Neo Project

Hatsune Miku: Project DIVA PS4 model announced for Japan, Future Tone pre-orders now available - Gematsu

Sony PlayStation 4 500GB Gaming Console - Black for sale online

PlayStation Portal Remote Play-dedicated handheld revealed for launch in late 2023

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Fatal Frame: Maiden of Black Water - PlayStation 4 : Video Games