Drobo B810n: Network Attached Storage (NAS) 8-Drive Hybrid Storage Array - Gigabit Ethernet x 2 ports (DR-B810N-5A21) Highly scalable network storage array for small and medium business Gigabit Ethernet connectivity x2. Ethernet port bonding Holds up to 8x 3.5 SATA HDDs or SSDs solid state drives. SSD support allowing Data Aware Tiering and Hot Data Cache. Expandable by adding drives or hot-swapping existing drives with larger ones.*Units with hard drives include Seagate IronWolf Pro HDDs Award-winning BeyondRAID automated data protection. DroboDR disaster recovery support and built in internal power supply Jumbo frames (up to 9000 bytes MTU)