Synology 4 Bay Desktop NAS DiskStation DS420j (Diskless)

CPU: Realtek RTD1296, 4-core, 1.4 GHz
RAM: 1 GB DDR4
Drive Bays: 4 x 3.5″/2.5″ SATA (drives not included)
Ports: 2 x USB 3.0, 1 x Gigabit LAN
Size: 184 x 168 x 230 mm
Weight: 2.21 kg
Power: 100-240V AC, 50/60Hz
Fans: 2 x 80mm
Protocols: SMB, AFP, NFS, FTP, iSCSI, VPN, WebDAV, SSH
RAID: SHR, Basic, RAID 0, 1, 5, 6, 10
Max Volume Size: 108 TB
Max Users: 1,024
Max Connections: 100
Backup: Hyper Backup, Cloud Sync, Time Machine support
Surveillance: Up to 16 cameras (480 FPS at 720p, 2 free licenses)
Media: Moments, Video Station, Audio Station
Environment: RoHS Compliant