That guy corrected Wii to 4.05m.Within 10 months, #NintendoSwitch has become the
— Nintendo of America (@NintendoAmerica) January 4, 2018
fastest-selling video game system of all time in the US! pic.twitter.com/raWOMWTVBe
4.8m sales in 10 months according to business wire. Beats the previous record set by Wii of 4.5m
Business wire also give some attach rates:
Odyssey over 60%
Zelda over 55%
Mario Kart over 50%
Splatoon 2 over 20%
Switch 4.8m
Wii 4.05m
PS4 3.95m