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The PS5 hast two USB ports on the back. With the PS camera adaptor and the PSVR box both will be occupied. So for an external hard drive (for PS4 (VR) games)
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/cdn.vox-cdn.com/uploads/chorus_asset/file/7423187/3stacked_back_ports.jpg "Do you need the PS4 Pro? - Polygon")
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PlayStation 4 Repair Guide
