DiskStation DS224+ Features: Centralized Data Storage Consolidate all your data for complete data ownership and multi-platform access Sharing and Syncing Across Systems Access, share, and sync data across different systems and devices using intuitive controls Powerful Backup and Restoration Back up and restore critical devices and data using a host of intuitive backup tools Built-in Data Management Tools Leverage built-in file and photo management, data protection, and video surveillance solutions Specifications: CPU Intel® Celeron® J4125 Memory 2 GB DDR4 (expandable up to 6 GB) Compatible drive types 2 x 3.5" or 2.5" SATA SSD/HDD Hot swappable drives Yes External ports 2 x USB 3.2 Gen 1 ports Form factor Desktop Size (HxWxD) 165 x 108 x 232.2 mm Weight 1.3 kg LAN ports 2 x 1GbE RJ-45 Wake on LAN/WAN Yes Scheduled power on/off Yes System fans 1 x (92 x 92 x 25 mm) AC input power voltage 100 V to 240 V AC Power frequency 50/60 Hz, single phase Operating environment Temperature: 0°C to 40°C (32°F to 104°F) Relative humidity: 8% to 80% RH Storage environment Temperature: -20°C to 60°C (-5°F to 140°F) Relative humidity: 5% to 95% RH Maximum operating altitude 5,000 m (16,400 ft) Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN™, L2TP) File systems Internal: Btrfs, ext4 External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT Supported RAID types Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1 Storage management Max. single volume size: 108 TB Max. number of system snapshots: 65,536 Max. number of internal volumes: 64 File sharing capabilities Max. number of local user accounts: 2,048 Max. number of local groups: 256 Max. number of shared folders: 256 Max. number of concurrent SMB/NFS/AFP/FTP connections: 500 Privileges Windows® Access Control List (ACL) and application privileges Directory services Connects with Windows® AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials Security Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, and HTTPS (configurable cipher suite) Supported browsers Google Chrome®, Firefox®, Microsoft Edge®, Safari® 13 and later, and Safari (iOS 13.0 and later) on iPad, Chrome (Android™ 11.0 and later) on tablet