Dea, 26, skated in three games for the Sabres last season and has seven points (5+2) in 32 career NHL games. He led the Amerks in scoring last year.
Smith posted 27 points (12+15) in 50 games for Rochester in 2019-20. His last NHL action came during the 2018-19 season when he recorded two goals and an assist in 11 games for Buffalo.
Quinn, drafted eighth overall by the Sabres in October, scored 52 goals for the Ottawa 67's of the OHL last year. He also recorded five points (1+4) in seven games for Canada in a silver-medal performance at this year's World Junior Championship. With no start date for the OHL season yet announced, the Sabres will look to have Quinn play some games for Rochester in the meantime.
The Amerks are set to open the 2020-21 campaign on Friday at home against Utica.
The Sabres will play their next four games on the road, starting tomorrow night against the Islanders. While the Sabres are traveling, their recalls are limited to players on the taxi squad.
