3DO was $700
Neo Geo was $600 + $250 per game
PS3 was also $600 but $60 per game
So technically the Neo Geo AES was the most expensive console of all time if you add any games. It was a good console though, was released in 1990 and could replicate 24-bit software. It discontinued in 2004, making it the longest running console available for purchase.
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