MS-6440L
Interfaces: LAN, HA
Virus Engine: ClamAV/Optional Kaspersky
Licensed Users: Unrestricted
Recommended No. of Users：600-1,000
Max. Email Delivery：12,400,000
MS-6420X
Interfaces: LAN, HA, iSCSI, 2x 10 GE SFP+
Virus Engine: ClamAV/Optional Kaspersky
Licensed Users: Unrestricted
Recommended No. of Users：Under 200
Max. Email Delivery：5,800,000
MS-6400X
Interfaces: LAN, HA
Virus Engine: ClamAV/Optional Kaspersky
Licensed Users: Unrestricted
Recommended No. of Users：Under 100
Max. Email Delivery：2,100,000