DiskStation DS423 Features: Centralized Data Storage Consolidate up to 72 TB of data, and enjoy 100% data ownership and multi-platform access from anywhere Secure Sharing and Syncing Safely access and share files and media from anywhere, and keep friends, partners, or collaborators on the same page Simple Data Protection Back up your media and documents to multiple destinations, and leverage snapshots to protect against malware Versatile Surveillance Protect your home or business with intuitive monitoring, archiving, and analysis tools for up to 30 IP cameras Specifications: CPU Realtek RTD1619B Memory 2 GB DDR4 Compatible drive types 4 x 3.5" or 2.5" SATA HDD/SSD Hot swappable drives Yes External ports 2 x USB 3.2 Gen 1 ports Form factor Desktop Size (HxWxD) 184 x 168 x 230 mm Weight 2.21 kg LAN ports 2 x 1GbE RJ-45 Wake on LAN/WAN Yes Scheduled power on/off Yes System fans 1 x (80 x 80 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: 8% to 80% 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, RAID 5, RAID 6, RAID 10 Storage management Max. single volume size: 108 TB Max. number of system snapshots: 4,096 Max. number of internal volumes: 64 File sharing capabilities Max. number of local user accounts: 1,024 Max. number of local groups: 256 Max. number of shared folders: 256 Max. number of concurrent SMB/NFS/AFP/FTP connections: 200 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 (customizable cipher suite) Supported browsers Google Chrome®, Firefox®, Microsoft Edge®, Safari® 14 and later, and Safari (iOS 14.0 and later) on iPad, Chrome (Android™ 11.0 and later) on tablets