Bonjour,
C'est bien précisé sur le site de synology lorsque l'on veut tester la beta :
The maximum accounts supported by Cloud Station Server in beta version are listed below
Max accounts Models
16 DS3611xs, RS3411xs, RS3411RPxs
8 DS712+, DS2411+, RS2211+, RS2211RP+, DS1511+, DS411+II, DS411+, DS1010+, RS810+, RS810RP+, DS710+, RS409+, RS409RP+, DS509+
4 DS212+, DS409+, DS209+, DS109+, DS209+II, DS210+, DS110+ DS211+, DS411, RS812, DS410
2 DS212, DS212j, RS212, DS411slim, DS211, DS111, RS409, DS409, DS209, DS409slim, RS408, RS408-RP, DS508, DS408, RS411
1 DS411j, DS211j, DS410j, DS210j, DS110j, DS109
