Sony’s upgraded PlayStation 4 will reportedly be unveiled next month

Sony plans to unveil a 4K version of its PlayStation 4 next month, according to Vice Gaming. The machine will reportedly be announced on September 7th, during an event that'll serve as a "technical showcase" for what the updated PS4 can do. That means we're likely looking at a preview of the new console's graphics, but not necessarily firm details on when consumers will be able to buy it.
The upgraded PS4 is supposed to have improved specs that'll allow it to run games at a higher resolutio