Key Features8 x 3.5" / 2.5" SATA Drive Bays2 x M.2 2280 NVMe SSD Slots2.2 GHz AMD Ryzen V1500B Quad-Core CPU4GB DDR4 ECC RAM4 x Gigabit Ethernet Ports4 x USB 3.1 Gen 1 Ports2 x eSATA PortRAID 0, 1, 5, 6, 10, Hybrid, JBODPCIe 3.0 x8 Expansion SlotSynology DSM Operating SystemSynology DS1821+ OverviewExpand the network storage capacity for your small- to medium-business or SOHO(Small Office, Home Office) environment with the DiskStation DS1821+ 8-Bay NASEnclosure from Synology. Useful for high-speed file sharing, backups, andsurveillance, this enclosure supports up to eight 3.5" and 2.5" SATA drives inRAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes for up to 110,000 4K randomread IOPS and 2300 MB/s sequential write speeds to handle demanding workloads.Installing up to two M.2 NVMe PCIe solid-state cache drives into the availableslots can boost hard drive array performance by over 20x. In addition to havingfour Gigabit Ethernet ports with Link Aggregation and Failover support, the PCIe3.0 x8 slot allows you to install expansion cards such as 10GbE network adaptersto further enhance performance. The DiskStation DS1821+ works with Windows 7 andmacOS 10.12 or later systems, and its integrated Synology DSM operating systemsupports a host of applications for file management, security, and more.High-Performance NASThe Synology DiskStation DS1821+ NAS enclosure is powered by a 2.2 GHz AMD Ryzenquad-core processor with 4GB of ECC DDR4 memory. It supports up to eight 3.5"and 2.5" SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modeswith a maximum single volume size of 108TB.Cache AccelerationInstalling up to two M.2 NVMe PCIe solid-state cache drives can accelerate harddrive array performance by over 20x.ConnectivityThe Synology DiskStation DS1821+ includes four Gigabit Ethernet ports with LinkAggregation and Failover support. Four USB 3.1 Gen 1 ports and two eSATA portsare available for connecting external storage drives and other devices to shareacross the network.ScalabilityA PCIe 3.0 slot is available for expansions such as 10GbE network adapters forhigh-speed data transfers and backups. Connecting up to two Synology DX517 5-bayexpansion units to the DiskStation DS1821+ provides you with a total of 18 drivebays. Up to 32GB of memory can be installed across two SO-DIMM slots to furtherboost NAS performance and efficiency.File Management and SharingThe web-based File Station tool is built with intuitive, drag-and-dropoperations for fast and secure file management from Windows and Mac computers.Advanced search and filtering tools allow for easy organization and filesharing, and the DS1821+ supports AFP, FTP, iSCSI, NFS, SMB, and WebDAVprotocols.Certified Storage VirtualizationSynology iSCSI storage supports most virtualization solutions to enhance workefficiency. Support includes VMware vSphere 6 and VAAI integration to helpoffload storage operations and optimize computation efficiency. Additionally,Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rateand OpenStack Cinder support turns your Synology NAS into a block-based storagecomponent.Versatile Backup SolutionsThe Synology DiskStation DS1821+ integrates a variety of backup applications tofit your needs, including Active Backup for Business, Hyper Backup, SynologyDrive, and Active Backup for Microsoft 365 / G Suite.Synology DSM ApplicationsThe Synology Central Management System allows you to simultaneously managemultiple Synology NAS servers from a centralized interface.Synology MailPlus provides a secure, reliable, and private mail server solution.Quickly transition between clustered servers in the event of a server failure tominimize the impact on applications.Comprehensive security tools are built-in and are continually updated to protectyour devices against threats.The Synology Drive application offers versatile tools for file management andsynchronization.With the Surveillance Station application, you have a complete solution forrecording, monitoring, and management.Synology DS1821+ SpecsGeneralNumber of Bays : 8 x 2.5"/3.5"2 x M.2 (2280)Media Card Slots : NoneMaximum Filled Capacity : 108 TBConnections : 4 x RJ45 (Gigabit Ethernet)4 x USB Type-A (USB 3.1 / USB 3.2 Gen 1 (5 Gb/s))2 x eSATACompatible Drive Interface : SATA (Unspecified Version)Form Factor : DesktopRAID Modes : RAID 0, 1, 10, 5, 6, JBOD, Synology HybridHot-Swap Support : YesExpansion Slots : 1 x PCIe 3.0 x8 (x4 mode)Link Aggregation and Failover Support : YesWake on LAN : YesDrivesType : NoneComputingProcessor : AMD Ryzen V1500B Quad-CoreClock Speed : Base: 2.2 GHzTotal Installed Memory : 4 GB ECC DDR4User-Replaceable Memory : 1 x 4 GBTotal Memory Slots : 2 x SO-DIMMMaximum Memory Capacity : 32 GBNetworkingSupported Protocols :CalDAVFTPHTTPHTTPSNFSSMBSMB 2.1SMB 3.0SNMPiSCSI LUN : 256iSCSI Target : 128Max Cameras Supported : 40Max Concurrent Connections : 550Max Folders : 512Max Groups : 256Max Sync Tasks : 80Max User Accounts : 2048Max Volume Number : 64SoftwareInstalled Operating System : SynologyOS Compatibility : Windows 7 or LatermacOS 10.12 or LaterFile System Formats Supported : Internal: Btrfs, EXT4External : Btrfs, EXT3, EXT4, FAT, HFS+, NTFS, exFATSupported Browsers : Chrome, Edge, Firefox, Internet Explorer, SafariElectricalPower Consumption : 59.8 W (Typical)26.18 W (Idle)Power Source : AC AdapterPSU Wattage : 1 x 250 WAC Input Power : 100 to 240 VAC, 50 / 60 HzAC Input Power : VAC50 / 60 HzSecurityEncryption : AES-NISecurity Features : Password ProtectionVPN Client Connections : 30EnvironmentalOperating Temperature : 32 to 104°F / 0 to 40°COperating Humidity : 5 to 95%Storage Temperature : -4 to 140°F / -20 to 60°CPhysicalCooling : 2 x 120 mm FansNoise Level : 22.2 dBABuilt-In Speakers : NoneAudible Alarm : YesIR Sensor : NoneStatus Monitoring : LED IndicatorDimensions : 13.5 x 6.5 x 9.6" / 343 x 166 x 243 mmWeight : 13.2 lb / 6 kgWhat's in the boxSynology DiskStation DS1821+ 8-Bay NAS EnclosurePower CableAccessory Pack2 x RJ45 LAN CableLimited 3-Year Warranty
