Spotted a PS4 Devkit in a local used games store : r/gamecollecting
PlayStation to provide free PS5 dev kits for game creators worldwide
Sony Computer Entertainment introduces Playstation 4 (PS4)
Sony Playstation 4 Pro DEVKIT GPU Specs | TechPowerUp GPU Database
Join | PlayStation Partners
PlayStation 5 Dev Kit Design and Features Showcased in New Video
YouTuber Tears Down A Rare PlayStation 4 Pro DevKit - eXputer.com
ARK: Survival Evolved Developer Says PS4 Pro Performance Is Equivalent To $900 PC | Attack of the Fanboy
PS4's seventh CPU core unlocked, boosting power to developers | WIRED UK
PS4 Developer Kits spotted | eTeknix
PS4 and Xbox One Developer Leaks a Truckload of Details About Sony, Microsoft, Latest Consoles' Potential and More
Multiplayer 👾 on Twitter: "📌 Tüm PlayStation'ların geliştirici kitleri ve final tasarımlarının karşılaştırmalı görseli: https://t.co/ZDJNzHEPIF" / Twitter
PS4 Dev Kit Containing 800GB of Data Bought at Auction | PCMag
Managed to snag a Playstation 4 development kit on buyee a few weeks ago. (with OG PS4 for comparison) : r/PS4