Synology Disk Station DS1621 - NAS Server - 6 Bay Powerful, scalable, and versatile Synology DS1621 is a powerful and compact 6-bay network attached storage solution designed to store and protect critical data assets. Todays growing amount of unstructured data requires smarter and increasingly higher performance methods of storing, accessing, and collaborating. Designed for scalability, the DS1621 enables you to start small, then expand as your data grows. Faster than ever Compared to its predecessor, DS1621 is faster in just about everything. Get things done quicker through Synology Drive and streamline photo management with Synology Moments. Ultimate file management and sharing File Station is a web-based, fast and secure management tool built to allow easy, drag-and-drop operations without requiring any complex setup on Mac or PC. Advanced search and filtering tools allow for easy organization and file sharing. For complete compatibility, DS1621 supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV. Fully certified storage virtualization solutions Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimizes computation efficiency. Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Ultimate Backup Solution DS1621 integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device. Technical Specification Synology Disk Station DS1621 - NAS Server - 6 Bay General Device Type    NAS server Host Connectivity    Gigabit Ethernet Installed Devices / Modules Qty    0 (installed) / 6 (max) Width    28.2 cm Depth    24.3 cm Height    16.6 cm Weight    5.1 kg Enclosure Colour    Black Built-in Devices    Led panel Processor / Memory Processors Installed    1 x Intel Ryzen Embedded V1500B 2.2 GHz Number of Cores    Quad-Core Max Supported Qty    1 RAM    4 GB (installed) / 32 GB (supported) - DDR4 Storage Controller Type    RAID Interface Type    SATA 6Gb/s 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    iSCSI Remote Management Protocol    SNMP, Telnet, HTTP, HTTPS, TFTP, SSH Network Services Compatibility    Microsoft Active Directory (AD), File Level Security (ACLs), Microsoft CIFS, Network File System (NFS), FTP, Apple File Protocol (AFP), Web-based Distributed Authoring and Versioning (WebDAV), Calendaring Extensions to WebDAV (CalDAV) Features    Hardware encryption, VPN support, wake on LAN (WOL), Syslog support, High Availability, download client, file sharing, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, surveillance station, PXE support, DLNA Media Server, Apple Time Machine compatible, WebDAV server, VPN Server, anti-virus protection, Link Aggregation, failover protection, DLNA support, OpenStack compatible, SSD trim, iSCSI LUN clone/snapshot, Windows ODX, cloud station server, MailPlus server, Rsync compatible, Synology Hybrid RAID Compliant Standards    DLNA CERTIFIED Expansion / Connectivity Expansion Bays    6 (total) / 6 (free) x hot-swap - 2.5\" / 3.5\" Expansion Slots    2 (total) / 1 (free) x DIMM 288-pin ¦ 2 (total) / 2 (free) x M.2 2280 ¦ 1 (total) / 1 (free) x PCI Express 3.0 x8 Interfaces    3 x USB 3.0 - Type A ¦ 4 x Ethernet 1000Base-T - RJ-45 ¦ 2 x eSATA Miscellaneous Cables Included    2 x network cable Features    Security lock slot (cable lock sold separately), wake on LAN, built-in 2 cooling fans, Citrix Ready, VMware Ready Security Slot Type    Kensington security slot Compliant Standards    VCCI, BSMI, CCC, FCC, RoHS, EAC, RCM Included Accessories    Accessory pack Power Power Device    Internal power supply Voltage Required    AC 120/230 V (50/60 Hz) Power Consumption Operational    51.22 Watt Power Consumption Stand by    25.27 Watt Power Provided    250 Watt Software / System Requirements Software Included    McAfee AntiVirus, Synology Central Management System Manufacturer Warranty Service & Support    Limited warranty - 3 years Environmental Parameters Min Operating Temperature    0 °C Max Operating Temperature    40 °C Humidity Range Operating    5 - 95 Sound Emission    25.2 dBA