Amazon.com: TOTU HDMI Switch 4 Ports (4 x 1) 4K 60Hz HDMI 2.0 Switcher with IR Remote Control Support HDR & HDCP 2.2 Pass-Through & 3D &Full HD 1080P, Compatible for PS3/PS4,
Ps3 still lookin' pretty good! (No mclassic or anything, just a 4k tv with decent upscaling) : r/PS3
My Recomended Picture Game Mode Settings for PS3 on Sony X900e - YouTube
Since my last post had questions about actual gameplay on 4K...here's 4 examples. IIRC they're all 720p : r/PS3
Granturismo 5 on 4K TV : r/PS3
Yes a PS3 looks good on a 4K TV....whatcha playing today : r/PS3