Designed for Scalability and Performance The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before. A Powerhouse on All Fronts The DS1821+ can handle demanding application workloads and a greater number of concurrent users. Experience faster file indexing in Synology Drive, photo organiSation in Moments, and more responsive web services. 2 x M.2 NVMe Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more. 10GbE Support Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows. *10GbE network add-in cards sold seperately. Storage Expansion Supports two DX517 expansion units for a total of 18 bays. *Expansion units sold seperately. 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 organisation and file sharing. For complete compatibility, DS1821+ supports the following protocols: AFP, FTP, iSCSI, NFS, SMB, and WebDAV. Fully Certified Storage Virtualisation Solutions Synology iSCSI storage fully supports most virtualisation solutions to enhance work efficiency with easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations and optimises 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 DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device. Active Backup for Business - Centralise backup tasks for VMware, Windows, and file servers. Restore whatever you want fast and reliably when needed. Hyper Backup - Comprehensively back up your data to a local shared folder, an external device, another Synology NAS, an rsync server, or a public cloud to ensure data safety. Drive Package - Safeguard your computer with Synology Drive Client. Effortlessly perform real-time data backups and point-in-time file recovery. Active Backup for Microsoft 365 / G Suite - Protect corporate data stored on the cloud. On-premise backup solution with a centralised dashboard. Optimise storage efficiency with single instancing and block-level deduplication technology. Engineered for Reliability, Backed by Synology DS1821+ is designed to reliably store your data and is backed by Synology’s three-year hardware warranty. An optional two-year extended warranty is available in select regions for up to five years of coverage. Powered by Synology DSM Central Management System - Manage multiple Synology NAS servers simultaneously on a centralised interface to increase business efficiency. Synology MailPlus - Secure, reliable, and private mail server solution with an intuitive and modern mail client. Synology High Availability - Seamless transition between clustered servers in the event of a server failure to minimise the impact on applications. Security - Comprehensive built-in security tools are constantly updated to protect your devices against evolving threats. Synology Drive - A versatile solution for file management and synchronisation. Surveillance Station - Complete surveillance solution for recording, monitoring, and management. Features CPU: AMD Ryzenâ„¢ Quad-core 2.2 GHz. Memory: 4GB DDR4 ECC SODIMM included, upgradable to 32GB (16GB x2). Drive Bays: 8 bays compatible with 3.5" & 2.5" SATA HDD/SSDs, hotswappable. RJ-45: 4 GbE LAN ports. USB: 4x USB 3.0 ports. eSATA: 2 ports. PCIe Expansion: Gen3x8 slot (x4 link). Cooling: 120mm fans x2. Cache Acceleration: Dual M.2 2280 slots for NVMe Cache. Performance: 113K 4K random read IOPS. Scalability: Expand up to 18 drives with two DX517 expansion units.