Yes, all versions of the PS4 can play Blu-ray discs, but not if they're 4K - here's what you need to know
HDR on the old PS4: No games, no streaming, just a useless menu option [Updated] | Ars Technica
Why PS4 Pro Doesn't Have a 4K Blu-Ray Player - GameSpot
PS4 Pro Gets 4K Video Support with Latest Media Player Update | PSXHAX - PSXHACKS
How to Enable 4K HDR on a PS4 Pro - YouTube
PS4 Pro Is a Powerful Device But You Shouldn't Expect Better Graphics on Top of 4K Support, Says Dev
Play 4K Videos on PS4 Pro Media Player App | PCMag
Is PS4 4K & Explore 4K Technology in PlayStation Lineup
PlayStation 4 Pro update brings 4K video playback to Media Player - Neowin
Can PS4 Play 4k Blu-ray Movies? Come to Know the Truth!
Ultra HD Blu-ray 💿 on X: "PS4 Pro is a great games console for 4K HDR gaming but it's a half-baked media hub not delivering on promised video streaming support. https://t.co/Mpc8N9Qfxe" /
Solved] Does PS4 Play Blu-ray Movies (4K Included)
Sony PS4 Pro Media Player app gets 4K video support — still can't play UHD Blu-ray discs | BetaNews
Sony is working on 4K-capable PlayStation 4 - rumor - FlatpanelsHD
The PS4 Pro can now play 4K video files | What Hi-Fi?