Synology DS420J, DiskStation. Supported storage drive types: HDD & SSD, Maximum supported storage capacity: 64 TB, Supported storage drive interfaces: Serial ATA,Serial ATA II,Serial ATA III. Processor family: Realtek, Processor model: RTD1296, Processor frequency: 1.4 GHz. Internal memory: 1 GB, Internal memory type: DDR4. Ethernet LAN data rates: 1000 Mbit/s, Supported network protocols: SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV. Chassis type: Compact, Cooling type: Active, Product colour: Black