Mail archive is a kind of mail storage device, which requires a large storage space, so it is very important to plan the backup of the whole machine.
Supermicro server-grade motherboard / IPMI intelligent platform remote management interface (IP KVM)
H91XT adopts 2U array rack server planning

Built-in ECC SO-DIMM 32GB (expandable to 64GB)
Internal hard disk array supports hot extraction (enterprise level 4,000GB*2 RAID 0)
Built-in backup hard drive (enterprise-level 8,000GB*1)
Built-in dual-port 10GbE SFP+ optical fiber module [contains GBIC (RJ45 / single-mode / multi-mode) can be mixed *2] dual-speed 10G&1G
Built-in big data behavior analysis module for 1 year  / AI Spam function for 1 yea /  nBuilt-in Kaspersky anti-virus for 1 year / with dedicated slide rail

Optional items: SSD