SonicWALL Gen5 and Gen6 Recommended User Counts

TZ105
Number of Users 1-10
TZ205
Number of Users 5-20
TZSOHO
Number of Users 5-20
TZ215
Number of Users 10-30
TZ300
Number of Users 20-50
NSA220
Number of Users 15-40
TZ400
Number of Users 50-75
NSA250m
Number of Users 20-50
TZ500
Number of Users 75-100
TZ600
Number of Users 100-150
NSA2600
Number of Users 45-175
NSA3600
Number of Users 100-300
NSA4600
Number of Users 250-500
NSA5600
Number of Users 500-800
NSA6600
Number of Users 750-1000

NOTE: Recommended number of users, depending on environment/pipeline etc these are only for getting you close to the right size