Synology
DiskStation DS1821+ 8-Bay Network Attached Storage (NAS)
- AMD Ryzen V1500B, 4-core 2.2 GHz
- 4 GB (1 x 4GB) DDR4 ECC SODIMM, 2 x RAM Slots, Support up to 32GB
- 2 (NVMe) M.2 Drive Slots
- 8 x 3.5" / 2.5" SATA Drive Bays
- Hot Swappable Drive
- Synology Hybrid RAID, Basic, JBOD, 0, 1, 5, 6 and 10
- 4 x RJ-45 1GbE LAN Port, 4 x USB 3.2 Gen 1 Port, 2 x eSATA Port
- PCI Expansion: 1 x Gen3 x8 slot (x4 link)
- Maximum Local User Accounts: 2,048
- Maximum Concurrent SMB/AFP/FTP Connections: 1000
- Max VPN Connections: 30
- Maximum Drive Bays with Expansion Unit: 18 (DX517 x 2)
- System Fan: 120 mm x 120 mm x 2 pcs
Model: DS1821+
Mnf. #: SYN-DS1821+
SKU: 73049
Warranty: 3 years Carry-in, Local
Synology DiskStation DS1821+
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 organization in Moments, and more responsive web services.
Turbocharge and supersize it
Upgrade your DS1821+ to match your data requirements, whether it is for faster networking or for higher storage capacity.
2 x M.2 NVMe
Enable ultra-fast NVMe cache to accelerate HDD arrays by 20X or more10GbE support
Add in faster SFP+ or RJ-45 networking to turbocharge existing workflowsStorage Expansion
Supports two DX517 expansion units for a total of 18 bays
HDD/SSDs, 10GbE network adapter cards, and expansion units are sold separately.
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, DS1821+ 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
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
Centralize 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 / Google Workspace
Protect corporate data stored on the cloud. On-premise backup solution with a centralized dashboard. Optimize 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 DiskStation Manager
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
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 minimize the impact on applications.
Security
Secure data with comprehensive built-in security tools to protect your devices against evolving threats.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Surveillance Station
Complete surveillance solution for recording, monitoring, and management.
Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
General |
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| Product Type | NAS Storage | |
| Product Line | DiskStation | |
| Model | DS1821+ | |
| Number of Bays | 8 | |
| Processor | AMD Ryzen V1500B | |
| Installed Memory | 4 GB | |
| Maximum Memory | 32 GB | |
| Hard Drives Included | - | |
| Hard Drive Form Factor | 2.5 3.5 | |
| Number of Hard Drives | 8 | |
| Hard Drive Model | HAT5300 SAT5200 SNV3000 | |
| Total Hard Drive Capacity | 14 TB | |
| Maximum Hard Drive Capacity | 108 TB | |
| Raid | Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 | |
Connectivity |
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| Hard Drive Interface | SATA III | |
| Ethernet LAN (RJ-45) | 4 | |
| USB 3.2 Type A | 4 4 x USB 3.2 Gen 1 Port | |
| eSATA | 2 | |
| Expansion Ports | 1 x Gen3 x8 slot (x4 link) | |
Features |
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| Management | Snapshot Replication Surveillance Station Video Station Virtual Machine Manager Media Server Synology MailPlus / MailPlus Server NFS Kerberos Authentication Central Management System Download Station SAN Manager Windows Access Control List (ACL) Integration | |
| Network Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Noise Level | 22.2 dB(A) | |
Power |
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| Input Power | 100-240V AC | |
| Consumption (Operation) | 59.8 watts | |
| Consumption (Sleep Mode) | 26.2 watts | |
Physical Dimensions |
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| Width | 343 mm | |
| Height | 243 mm | |
| Depth | 166 mm | |
| Weight | 6.00 kg | |
Optional Accessories |
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| Accessories | DX517 E25G21-F2 E10G21-F2 E10G18-T2 E10G18-T1 SNV3400 | |
| Memory Upgrade | D4ES01-4G D4ES01-8G | |