What is the best-selling video game console of all time?

The answer is: PlayStation 2. Released in March of 2000, the PS2's timing couldn't have been better. It sold over 155 million units, making it the best-selling console ever.In a close second place is the handheld Nintendo DS (if we're counting handhelds), with 154 million sold; and in third is the Nintendo Switch, with close to 140 million units sold.Source