You need uncompressed 4K — not the compressed 4:2:0 that looks fine on a spec sheet but falls apart when you're running design work, medical imaging, or any pipeline where colour fidelity matters. The VM7824 handles 3840×2160 and 4096×2160 at 60Hz in full 4:4:4 chroma. Four HDMI inputs, each with its own stereo audio extraction port, so your AV system stays properly wired. EDID Expert picks the right resolution for every screen on the other end. Cable Quality Tester catches a marginal run before it becomes a dropped frame in a client demo. Hot-swap it into your VM3250 whenever you need to reconfigure. No downtime, no re-patching