Synology DiskStation DS620slim is a stylish design made for a variety of server roles such as backup, file storage, email servers, & domain controllers.

Form Factor: NAS Tower Server

Internal File System Format: EXT4, Btrfs

Ports: 2 x RJ-45 1GbE LAN Ports (with Link Aggregation / Failover support); 2 x USB 3.2 Ports; Btrf File System for Advanced LUN iSCSI Service

Processor: Celeron J3355 Dual-Core 2.0GHz CPU, Up To 2.5GHz Burst

Memory: 6GB DDR3L non-ECC SODIMM Memory

Storage: 24TB (6 x 4TB) SATA 2.5" SSD for Ultra-Fast, High-Speed Storage

Power: Single Power Supply

Operating System: Synology DSM Software

Features:

File Management, Sharing & Syncing

Advanced Data Protection & Backup with Deduplication & Compression Capabilities

iSCSI Target Role Synology Directory Domain Controller Role

Centralized Management System for Managing Multiple Synology NAS Devices

Chassis comes in a sealed box.

Hard drives & memory upgrades included separately NOT installed, installation required.