DS918+ Synology DiskStation DS918+ 4-Bay Desktop NAS for SMB No drives

Processor and Memory:

• CPU: Intel Celeron J3455 quad-core 1.5 GHz (burst up to 2.3 GHz).
• Memory: 4GB DDR3L (expandable up to 8GB).

Storage:

• Drive Bays: 4 drive bays supporting 3.5-inch and 2.5-inch SATA HDDs and SSDs.
• Maximum Internal Raw Capacity: 56TB (4 x 14TB drives, capacity may vary based on drive compatibility and RAID configuration).
• Supported RAID Types: Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10.

Networking:

• Network Ports: 2 x Gigabit Ethernet ports with Link Aggregation support.

External Ports:

• USB Ports: 2 x USB 3.0 ports and 1 x eSATA port for external storage devices.
• Expansion: Supports Synology DX517 for expanding storage capacity.

File System:

• File System: Supports Btrfs (with advanced data protection features) and Ext4.

Operating System:

• Operating System: Synology DiskStation Manager (DSM), a web-based operating system for managing the NAS.

Multimedia and Transcoding:

• Multimedia Support: Supports multimedia streaming and has a dedicated hardware transcoding engine for 4K video transcoding.

Backup and Data Protection:

• Backup Solutions: Supports various backup solutions, including local backup, network backup, and cloud backup.
• Data Protection: Provides data protection with Snapshot Replication and other advanced features.

Security:

• Security Features: Supports advanced security features, including firewall, encryption, and more.

Management and Mobile Apps:

• Management: Can be managed through the Synology DSM web interface.
• Mobile Apps: Synology mobile apps for iOS and Android devices for remote management and access.