Synology 4 Bay NAS DiskStation DS419slim (Diskless)

Specifications Mfr Part Number: DS419SLIM Hardware: CPU: Marvell Armada 385 88F6820 Dual Core 1.33GHz w/ Hardware Encryption Engine Memory: 512MB DDR3L Drive Bay: 4x 2.5" SATA HDD/SSD (drives not included) Max Internal Capacity: 20TB (4x 5TB Drive) (Capacity may vary by RAID types) External HDD Interface: 2x USB 3.0 Ports LAN: 2x Gigabit RJ45 Ports Wake on LAN/WAN Fan: 1x (60 x 60 mm) Fan Noise Level: 20.3 d - B(A) Easy Replacement System Fan Brightness Adjustable Front LED Indicators Power Recovery Scheduled Power On/Off Power Supply Unit/Adapter: 30W AC Input Power Voltage: 100 ~ 240 V AC Power Frequency: 50/60Hz, Single Phase Networking Protocols: SMB, AFP, NFS, FTP, Web - DAV, Cal - DAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, Open - VPN, L2TP) Security: Firewall, encrypted shared folder, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, HTTPS (customizable cipher suite) File System: Internal: EXT4 External: EXT4, EXT3, FAT, NTFS, HFS+ (Read Only), ex - FAT File Sharing Capability: Max Local User Accounts: 1024 Max Local Groups: 256 Max Shared Folder: 256 Max Concurrent SMB/NFS/AFP/FTP Connections: 100 Utilities: Synology Assistant Applications: File Station: Virtual Drive, Remote Folder, Windows ACL Editor, Compress/Extracting Archived Files, Bandwidth Control for Specific Users or Groups, Creating Sharing Links, Transfer Logs FTP Server: Bandwidth Control for TCP Connections, Custom FTP Passive Port Range, Anonymous FTP, FTP SSL/TLS and SFTP Protocol, Boot over the Network with TFTP and PXE Support, Tansfer Logs Mail Server: Supported Mail Server Protocols - POP3, SMTP, IMAP, support LDAP/AD accout i - OS/Android Applications: Synology Drive, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note, Moments Mail Station: Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server Web Station: Virtual Host (up to 30 websites), PHP/Maria - DB, 3rd-Party Applications Support Backup Solutions: Network backup, local backup, backup data to public clouds, DSM configuration backup, mac - OS Time Machine support, Synology Drive Client desktop application shared folder sync - maximum task number - 2 Supported Clients: Windows 7 and 10, Mac OS X 10.11 onwards Power Consumption: 20.28W (Access); 7.27W (HDD Hibernation) Certifications: EAC, VCCI, CCC, RCM, KC, FCC, CE, BSMI Dimensions (WxDxH): 105.0 x 142.0 x 120.0 mm Weight: 0.66 kg Package Contents: Main Unit, Quick Installation Guide, AC Power Adapter, 2x RJ-45 LAN Cable Ro - HS Compliant