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Synology DiskStation DS1821+ 8-Bay

Synology DiskStation DS1821+ 8-Bay

Regular price R 24,800.00
Regular price Sale price R 24,800.00
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Synology DiskStation

Synology DiskStation DS1821+ is a powerful 8-bay network-attached-storage solution designed to store and protect missioncritical data. Designed to tackle increasing amounts of unstructured data, the low-noise desktop form-factor of the DS1821+ is built for both SOHO and SMB environments. With performance over 110K or 177% higher 4K random read IOPS than its predecessor, the DS1821+ is fast, with ample room for scalability.


Versatile Storage Powerhouse in a Single Solution

Synology DS1821+ is designed for multi-purpose use and is suitable for a wide range of usage environments. The compact 14 L desktop formfactor makes it easy to store away whether it is at home or in a quiet office environment.

  • Up to 113,458 4K random read IOPS and 2312 MB/s sequential write speeds1 for demanding workloads
  • Dual M.2 2280 slots for NVMe SSD let you maximize performance and capacity efficiently
  • Features 8 bays for SATA HDD/SSD 2.5" and 3.5" drives, and can be expanded to 18 bays with two Synology DX517 expansion units
  • Powered by Synology DiskStation Manager (DSM), Synology's unified operating system built for data management

Robust Data Protection with Btrfs

DS1821+ supports a Btrfs file system optimized by Synology to offer both high reliability and high performance. Btrfs supports advanced storage technologies that meet the needs of modern business:

  • Advanced snapshot technology provides schedulable and near-instantaneous data protection of shared folders and LUNs
  • File and folder level data restoration offers users who wish to restore only a specific file or folder more flexibility
  • Flexible Shared Folders and user quota system provides comprehensive quota control for all user accounts and shared folders
  • File self-healing allows Btrfs file systems to autodetect corrupted files using mirrored metadata and to recover broken data using RAID configurations
  • Inline compression compresses data before writing it to the drive, to optimize storage use and reduce write commands to the drives

On-Premises Collaboration

Synology Collaboration Suite allows businesses to host their own fundamental IT services for file sharing, concurrent document editing, emails, instant messaging, and more. Create a multi-user collaborative environment while leveraging private cloud infrastructure to reduce privacy concerns. Multi-layered security enables secure access to files and services, even for a distributed or remote workforce across Windows®, macOS®, Linux®, Android™, and iOS platforms.

  • Synology Drive enables data access, synchronization, and backup via web portal and desktop applications across Windows®, macOS®, and Linux® platforms. Intelliversioning saves historical versions while minimizing storage space usage and supports on-demand data restoration.
  • Synology Office includes Documents, Spreadsheets, and Slides. The online collaborative editing environment allows multiple users to edit, comment on, and share data together.
  • Synology MailPlus enables you to set up a secure, reliable, and private email server, with an intuitive web-based client to boost productivity
  • Synology Chat enables instant conversations and optimizes team communications with powerful features including message encryption, pinning, forwarding, reminders, and scheduling.
  • Synology Calendar helps teams keep track of what is important, with easy to use sharing and scheduling keeping everyone on the same page.

Running & Protecting Virtual Machines

Synology Virtual Machine Manager (VMM)is a hosted hypervisor that lets users easily set up virtual machines running Windows® or Linux®- based platforms and a virtualized version of Synology DSM, Virtual DSM, on the DS1821+. Users can set up a cluster environment with multiple Synology systems for flexibility to perform online migration based on load balancing and resource allocation requirements. High performance snapshots, replication, cloning, and recovery mechanisms enable comprehensive management and data protection on each VM.

Comprehensive Data Protection Options

DS1821+ includes a range of free backup solutions to protect local, remote, and cloud-based applications. Easily set up automated backups and even enable self-serve functionality to reduce maintenance and upkeep.

  • Back up data on Synology NAS: Snapshot Replication enables lightning-fast snapshots for point-in-time file versioning, great for rolling back unintended file modifications and protecting your data against ransomware attacks. Hyper Backup offers a wide range of destinations for backups of your NAS, including to on-premises devices and cloud storage providers.
  • Back up business infrastructure: Synology Active Backup suite is a collection of powerful backup solutions built to protect Windows PCs and servers, VMware and Hyper-V VMs, other file servers, and even Google Workspace and Microsoft 365 cloud applications.

Private Video Surveillance

  • 7,900 supported cameras, and counting: Find a compatible camera from our constantly updated compatibility lists to match your video requirements and budget. ONVIF support prevents vendor lock-in.
  • Private and subscription-free: Unlike with cloud-based cameras, you can keep your recordings private and on premises. Simple per-camera licensing means no subscriptions are needed to access your data.
  • Flexible monitoring & control: Access your surveillance system from a web browser, dedicated desktop clients, or from the DS cam mobile app. Internet access is optional.
  • Automation & notification: Set up rules to trigger specific actions when an event occur, such as automatically taking a picture when motion detection is triggered. Get notified by email, SMS, or push notification so that you can act quickly.

Additional Product Notes

  1. Next-Generation File System
    - Btrfs is a modern file system designed to safeguard data integrity through metadata mirroring, file selfhealing, and fast snapshot replication.
  2. Synology Collaboration Suite
    - A powerful and secure private cloud solution that lets teams collaborate, sync files, and communicate with others anytime, anywhere.
  3. Virtualization Flexibility
    - Whether providing VM storage through iSCSI, NFS, or running them directly on the DS1821+ using Virtual Machine Manager, Synology DSM provides comprehensive tools to protect your virtual applications.
  4. Synology Backup Solutions
    - DSM backup solutions are designed to be lowmaintenance, with different RPO/RTO targets, storage efficiency, and backup destinations available depending on your requirements.
  5. Always On Guard
    - Protect your home or office with Synology's reliable and intuitive VMS solution. Surveillance Station combines intelligent monitoring and robust management features for flexible deployment scenarios.
Networking protocols File sharing capabilities CPU Memory External ports System fans
SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN™, L2TP) Maximum local user accounts: 2,048
Maximum local groups: 256
Maximum shared folders: 512
Maximum concurrent SMB/NFS/AFP/FTP connections: 1,000
AMD RyzenTM V1500B quad-core 2.2 GHz 4 GB DDR4 ECC SODIMM (expandable up to 32 GB) 4 x USB 3.2 Gen 1
2 x eSATA
2 (120 x 120 x 25 mm)
Multimedia

Leaflets:

Manual (PDF):

Specifications
Storage
Storage drive capacity  Storage drive capacity
0 GB
Supported storage drive interfaces 
M.2, Serial ATA
Storage drive sizes supported  Storage drive sizes supported
2.5,3.5,M.2
Maximum supported storage capacity  Maximum supported storage capacity
108 TB
Number of M.2 (M & B) slots 
2
RAID support  RAID support
Yes
RAID levels  RAID levels
0, 1, 5, 6, 10, JBOD
Online RAID migration 
Yes
Online RAID expansion 
Yes
Hot-swap drive bays  Hot-swap drive bays
Yes
Supported file systems 
BTRFS, Fat, HFS+, NTFS, ext3, ext4
Storage drives installed  Storage drives installed
No
Total installed storage capacity 
0 TB
Number of storage drives supported  Number of storage drives supported
8
Installed storage drive type  Installed storage drive type
No
Supported storage drive types  Supported storage drive types
HDD & SSD
Processor
Processor manufacturer  Processor manufacturer
AMD
Processor generation 
AMD Ryzen Embedded V1000 Series
Processor family  Processor family
Ryzen Embedded
Processor model  Processor model
V1500B
Processor frequency  Processor frequency
2.2 GHz
Processor cores  Processor cores
4
On-board graphics card model  On-board graphics card model
Not available
Memory
Internal memory  Internal memory
4 GB
Internal memory type  Internal memory type
DDR4
Maximum RAM supported 
32 GB
ECC  ECC
Yes
Memory form factor  Memory form factor
SO-DIMM
Memory slots  Memory slots
2
Network
Ethernet LAN  Ethernet LAN
Yes
Ethernet LAN data rates  Ethernet LAN data rates
1000 Mbit/s
iSCSI support 
Yes
Wake-on-LAN ready 
Yes
Link aggregation 
Yes
Supported network protocols  Supported network protocols
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Ports & interfaces
USB port  USB port
Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity 
4
eSATA ports quantity  eSATA ports quantity
2
Ethernet LAN (RJ-45) ports  Ethernet LAN (RJ-45) ports
4
PCI Express x8 (Gen 3.x) slots  PCI Express x8 (Gen 3.x) slots
1
Design
Chassis type  Chassis type
Tower
Cooling type  Cooling type
Active
Product colour  Product colour
Black
Number of fans  Number of fans
2 fan(s)
Fan diameter 2 
12 cm
Fan diameter  Fan diameter
12 cm
LED indicators 
Yes
Cable lock slot  Cable lock slot
Yes
Cable lock slot type 
Kensington
Performance
Type  Type
NAS
Device class  Device class
Large Enterprise Business
Backup function  Backup function
Yes
Backup features 
Cloud, iSCSI LUN
Multilingual support 
Yes
Number of users  Number of users
2048 user(s)
Noise level  Noise level
22.2 dB
Snapshot 
Yes
Web-based management  Web-based management
Yes
System log 
Yes
Hot spare 
Yes
Browser supported  Browser supported
Google Chrome, Firefox, Microsoft Edge, Internet Explorer 10+, Safari 10+
On/off switch  On/off switch
Yes
Access Control List (ACL) 
Yes
Reset button 
Yes
Software
Operating system installed  Operating system installed
DiskStation Manager
Server operating systems supported 
Windows Server 2016, Windows Server 2019
Power
Power supply location  Power supply location
Built-in
Power supply unit (PSU) capacity 
250 W
Number of power supply units 
1
Power consumption (typical)  Power consumption (typical)
59.8 W
Power consumption (HDD standby) 
26.18 W
AC input voltage  AC input voltage
100-240 V
AC input frequency 
50 - 60 Hz
Weight & dimensions
Width  Width
343 mm
Depth  Depth
243 mm
Height  Height
166 mm
Weight  Weight
6 kg
Packaging content
Cables included 
AC, LAN (RJ-45)
Operational conditions
Operating temperature (T-T)  Operating temperature (T-T)
0 - 40 °C
Operating relative humidity (H-H) 
5 - 95%
Storage temperature (T-T)  Storage temperature (T-T)
-20 - 60 °C
Logistics data
Harmonized System (HS) code 
84714100
Other features
Certification 
RoHS FCC CE BSMI EAC CCC KC VCCI RCM
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