Sony working on PS4.5 with an upgraded GPU and 4K support - rumor

Here's an interesting rumor for you out of GDC 2016.

PS4 Remote Play finally lets you stream games to your PC or Mac - plus all the latest Sony PS4 news

Sony unveils 'PlayStation 4 Pro' with 4K and HDR - FlatpanelsHD

Sony unveils PS4 Pro, a powerful console with 4K and HDR support » YugaTech

Rumour: PS4K Will Cost $399, Will Feature 4K Blu-ray, and Will Boast Better Graphics

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PS 4.5 Rumors Get Louder: Everything We Know About Sony's Potential Hardware Upgrade

PS4.5' report: 4K output, will play nice with older console

What will the PlayStation 4.5 look like?