4K Blu-ray

You still remember the format war between Blu-ray and HD DVD? Well, you probably remember, or realize, that Sony-backed Blu-ray won that battle.
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Philips has unveiled their first 4K Ultra HD Blu-ray player, the BDP7501/301.

In keeping up with rivals, Panasonic has used CES to announce their first 4K Blu-ray player.

Sony has announced their first batch of 4K (UHD) Blu-ray discs, although they are unlikely to make you upgrade in the near future.