What PlayStation consoles existed in 2005?

Question

Because in 2020, we have the PlayStation 5.

Answer 1

llaffer is only half right.

PlayStation 1 and 2 was technically the only two HOME console available.

But if you include handhelds, then the PlayStation portable is also there already. 

It came out in Japan at the end of 2004 and in the western areas in 2005. 

Answer 2

PlayStation 3 was released in November of 2006.

So in 2005, there were only the first two.