Place graham cracker pie crust (9-inch) onto a serving plate or pie dish.
In a large mixing bowl, beat softened cream cheese with confectioners sugar until smooth and creamy.
Add creamy peanut butter to the cream cheese mixture and mix until fully combined.
Fold thawed whipped topping gently into the peanut butter mixture until evenly combined and fluffy. Stir mini Reese’s peanut butter cups into the filling mixture
Spoon the filling evenly into the graham cracker pie crust and smooth the top with a spatula. Drizzle Hershey’s syrup evenly over the top of the pie.
Refrigerate the pie for at least 4 hours or until fully set before slicing and serving.