Synology DS418 4 Bay Desktop NAS Enclosure Powerful 4-bay NAS for offices and home users Sequential throughput performance at over 226 MB/s reading and 170 MB/s writing 64-bit quad-core 1.4GHz processor 2 GB DDR4 memory, twice the size than its predecessor Dual 1GbE ports with failover and Link Aggregation support 4K 10-bit H.265 video transcoding on the fly Over 40TB raw single volume capacity New drive tray locks for asset security Synology DiskStation DS418 is a high-performance and versatile 4-bay NAS, specifically designed for offices and home users to effectively manage, protect, and share data. Its new 64-bit quad-core processor supports volume management of large-capacity storage and 10-bit 4K H.265 video transcoding to enrich multimedia entertainment. Technical Specification Synology DS418 4 Bay Desktop NAS Enclosure Processor / Memory RAM Installed    2 GB DDR4 RAM    2 GB DDR4 Processors Installed    1 x RTD1296 1.4 GHz Number of Cores    Quad-Core Max Supported Qty    1 General Device Type    NAS server Host Connectivity    Gigabit Ethernet Total Storage Capacity    0 GB Max Supported Capacity    40 TB Installed Devices / Modules Qty    0 (installed) / 4 (max) Width    19.9 cm Depth    22.3 cm Height    16.6 cm Weight    2.28 kg Storage Controller Type    RAID RAID Level    RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, JBOD Networking Data Link Protocol    10Mb LAN, 100Mb LAN, GigE Network / Transport Protocol    PPTP, L2TP, IPSec, SMTP, POP3, IMAP Remote Management Protocol    SNMP, Telnet, HTTPS, SSH Network Services Compatibility    Microsoft Active Directory (AD), Microsoft CIFS, Network File System (NFS), FTP, Server Message Block (SMB), Apple File Protocol (AFP), Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV) Performance    Throughput (reading): 226 MB/s ¦ Throughput (writing): 170 MB/s Features    Firewall protection, hardware encryption, LDAP support, wake on LAN (WOL), download client, Access Control List (ACL) support, SSH support, iTunes server, Samba support, FTP server, reset button, bandwidth control, surveillance station, Energy Efficient Ethernet, WebDAV server, 4K resolution support, cloud backup, VPN Server, security lock slot (cable lock sold separately), 2 fans, Dropbox support, automated backup scheduling, Wi-Fi USB dongle support, Link Aggregation, Google Drive support, failover protection, Amazon Cloud Drive support, Yandex Disk support, Microsoft OneDrive support, OpenStack compatible, Full HD (1920 x 1080) streaming video support, file station, hubiC support, OpenStack Swift-compatible, WebDAV server support, Baidu cloud support Encryption Algorithm    SSL, TLS Compliant Standards    DLNA CERTIFIED, UPnP Security DVR IP Cameras Supported    30 Compression Format    MPEG-4, MPEG-2, H.265, HEVC, VC-1 Image Resolution    1280x720, 1920x1080, 2048x1536, 2591x1944, 3840x2160, 4096x2160 Features    Automatic backup Expansion / Connectivity Expansion Bays    4 (total) / 4 (free) x hot-swap - 2.5\" / 3.5\" Interfaces    2 x USB 3.0 - Type A ¦ 2 x Ethernet 1000Base-T - RJ-45 Miscellaneous Cables Included    2 x network cable Features    Security lock slot (cable lock sold separately), wake on LAN, built-in cooling fan, hardware encryption, 24x7 continuous operation, scheduled power on/off Security Slot Type    Kensington security slot Compliant Standards    FCC Class B certified, RoHS, BSMI Class B Included Accessories    2 x hard drive security key, screws Power Power Device    External power adapter Voltage Required    AC 120/230 V (50/60 Hz) Power Consumption Operational    26.49 Watt Power Provided    90 Watt Software / System Requirements Storage Operating System    Synology DiskStation Manager Software Included    Drivers & Utilities OS Required    Apple MacOS X 10.7 or later, Ubuntu 12.x, Android 4.0 or later, Apple iOS 7 or later, Microsoft Windows 7 / 10 Manufacturer Warranty Service & Support    Limited warranty - 2 years Environmental Parameters Min Operating Temperature    5 °C Max Operating Temperature    40 °C Humidity Range Operating    5 - 95 Sound Emission    20.9 dBA