There’s a good reason why 4K UHD discs are more expensive than standard Blu-ray

When shopping around for optical disc-based movies and TV shows, you may have noticed that, on average, 4K UHD (black box) discs cost considerably more than their standard FHD (blue box) counterparts. Even though both products contain a physically similar disc with the same content written onto it, the former commands quite a premium over the latter.