Synology DS425+ Quad-Core 4-Bay Network Storage Server Private Cloud File Data Backup (Compatible Hard Drives Required, Contact Customer Service for Details)

USB-A 2.0 Ports: None Ethernet Ports: 1 Specification: 4-Bay NAS Cores: Quad-Core Type-C Ports: None System: DSM Type: SOHO Network Storage USB-A 3.0 Ports: 2 Special Features: Supports Smart Photo Album, Full System Backup, Document Synchronization, Virtual Machine, Group Space Allocation, HDD Sleep Mode, File Link Sharing, HDD Migration, Video Surveillance Storage, Snapshot, Music Playback Memory Capacity: 2GB Ethernet Speed: 2.5Gb