MS-6400+
- Interfaces: LAN, HA
- Virus Engine: ClamAV/Optional Kaspersky
- Licensed Users: Unrestricted
- Recommended No. of Users：Under 100
- Max. Email Delivery：2,100,000
MS-6410X
- Interfaces: LAN, HA
- Virus Engine: ClamAV/Optional Kaspersky
- Licensed Users: Unrestricted
- Recommended No. of Users：Under 200
- Max. Email Delivery：4,500,000