Synology DS1821+ Nas Server 8 Bays [2.2GHz – 4Gb RAM]

Rp 21.199.000

CPU Model : AMD Ryzen V1500B
CPU Frequency : 4-core 2.2 GHz
System Memory : 4 GB DDR4 ECC SODIMM
Memory Module Pre-installed : 4 GB (4 GB x 1)
Drive Bays : 8
RJ-45 1GbE LAN Port : 4 (with Link Aggregation / Failover support)
PCIe Expansion : 1 x Gen3 x8 slot (x4 link)
USB 3.2 Gen 1 Port* : 4

SKU: KSS-DS1821P Categories: , , Tag:

Description

DiskStation® DS1821+

High capacity storage and data protection for anyone

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.

Click to Download Datasheet

  • CPU​ : AMD Ryzen™  Quad-core 2.2 GHzz
  • 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

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 more

  • 10GbE support

    Add in faster SFP+ or RJ-45 networking to turbocharge existing workflows

  • Storage Expansion

    Supports two DX517 expansion units for a total of 18 bays

HDD/SSDs, 10GbE network adapter cards, and expansion units are sold separately.

 

10GbE support

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.

Ultimate file management and sharing

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.

vmware windows2016 citrix openstack

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.

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.

Synology Drive
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
On-premise backup solution with a centralized dashboard. Optimize storage efficiency with single instancing and block-level deduplication technology.

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.

3.5” HDD HAT5300

M.2 SSD SNV3000

2.5” SSD SAT5200

Works best with Synology drives

 

 

Specifications

HARDWARE SPECS

CPU

CPU Model AMD Ryzen V1500B
  CPU Quantity 1
  CPU Architecture 64-bit
  CPU Frequency 4-core 2.2 GHz
  Hardware Encryption Engine (AES-NI)  

Memory

System Memory 4 GB DDR4 ECC SODIMM
  Memory Module Pre-installed 4 GB (4 GB x 1)
  Total Memory Slots 2
  Maximum Memory Capacity 32 GB (16 GB x 2)
  Notes
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.

Storage

Drive Bays 8
  Maximum Drive Bays with Expansion Unit 18 (DX517 x 2)
  M.2 Drive Slots 2 (NVMe)
  Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
  Hot Swappable Drive*  
  Notes
  • The hot swappable drive feature is not supported by M.2 SSD slots.
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

External Ports

RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
  USB 3.2 Gen 1 Port* 4
  eSATA Port 2
  Notes The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.

PCIe

PCIe Expansion 1 x Gen3 x8 slot (x4 link)

File System

Internal Drives
  • Btrfs
  • EXT4
  External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT
  Notes exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.

Appearance

Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm
  Weight 6 kg

Others

System Fan 120 mm x 120 mm x 2 pcs
  Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  Easy Replacement System Fan  
  Brightness Adjustable Front LED Indicators  
  Power Recovery  
  Noise Level* 22.2 dB(A)
  Scheduled Power On / Off  
  Wake on LAN / WAN  
  Power Supply Unit / Adapter 250 W
  AC Input Power Voltage 100V to 240V AC
  Power Frequency 50/60 Hz, Single Phase
  Power Consumption 59.8 W (Access)
26.18 W (HDD Hibernation)
  British Thermal Unit 204.05 BTU/hr (Access)
89.33 BTU/hr (HDD Hibernation)
  Notes
  • Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Temperature

Operating Temperature 0°C to 40°C (32°F to 104°F)
  Storage Temperature -20°C to 60°C (-5°F to 140°F)
  Relative Humidity 5% to 95% RH

Certification

  • FCC
  • CE
  • BSMI
  • EAC
  • CCC
  • KC
  • VCCI
  • RCM

Warranty

3-year hardware warranty, extendable to 5 years with Extended Warranty Plus
  Notes
  • Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
  • The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1

Optional Accessories

 

SOFTWARE SPECS

DSM Specifications

Storage Management

Maximum Single Volume Size* 108 TB
  Maximum Internal Volume Number 64
  M.2 SSD Storage Pool Support*  
  SSD Read / Write Cache (White Paper)  
  SSD TRIM  
  Supported RAID Type
  • Synology Hybrid RAID
  • Basic
  • JBOD
  • RAID 0
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  RAID Migration
  • Basic to RAID 1
  • Basic to RAID 5
  • RAID 1 to RAID 5
  • RAID 5 to RAID 6
  Volume Expansion with Larger HDDs
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  Volume Expansion by Adding a HDD
  • Synology Hybrid RAID
  • JBOD
  • RAID 5
  • RAID 6
  Global Hot Spare Supported RAID Type
  • Synology Hybrid RAID
  • RAID 1
  • RAID 5
  • RAID 6
  • RAID 10
  Notes
  • Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
  • Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments. (Learn more)
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

File Services

File Protocol SMB/AFP/NFS/FTP/WebDAV
  Maximum Concurrent SMB/AFP/FTP Connections 1,000
  Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) 2,000
  Windows Access Control List (ACL) Integration  
  NFS Kerberos Authentication  
  Notes
  • Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
  • The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.

Account & Shared Folder

Maximum Local User Accounts 2,048
  Maximum Local Groups 256
  Maximum Shared Folder 512
  Maximum Shared Folder Sync Tasks 16

Hybrid Share

Hybrid Share Folder Number 10

High Availability

Synology High Availability  

Log Center

Syslog Events per Second 1,000

Virtualization

VMware vSphere with VAAI  
  Windows Server 2016  
  Windows Server 2019  
  Citrix Ready  
  OpenStack  

General Specifications

Networking Protocols SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
  Supported Browsers
  • Google Chrome
  • Firefox
  • Microsoft Edge
  • Safari
  Supported Language English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
  Notes For an updated list of supported browser versions, check the DSM Technical Specifications.

Add-on Packages view the complete package list

Antivirus by McAfee (Trial)

 

Central Management System

 

Synology Chat

Maximum Users 1,500
  Maximum Number of Concurrent Users 150
  Notes When applicable, tested systems are configured with maximum memory and set to allow the maximum number of connections.

Document Viewer

 

Download Station

Maximum Concurrent Download Tasks 80

SAN Manager

Maximum iSCSI Target Number 128
  Maximum LUN 256
  LUN Clone/Snapshot, Windows ODX  
  Notes iSCSI Manager has been renamed to SAN Manager in DSM 7.0.

Synology MailPlus / MailPlus Server

Free Email Accounts 5 (Licenses required for additional accounts)
  Maximum Number of Concurrent Users 150
  Maximum Server Performance 1,484,000 emails per day, approx. 45GB
  Notes
  • Models with more than 4 bays were installed with two SSDs for SSD cache.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
  • Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).

Media Server

DLNA Compliance  

Synology Photos

Facial Recognition  

Snapshot Replication

Maximum Snapshots per Shared Folder 1,024
  Maximum of System Snapshots 65,536

Surveillance Station

Maximum IP cam (Licenses required) 40 (including 2 Free License) (see all supported IP cameras)
  Total FPS (H.264) 1200 FPS @ 720p (1280×720)
1050 FPS @ 1080p (1920×1080)
600 FPS @ 3M (2048×1536)
440 FPS @ 5M (2591×1944)
320 FPS @ 4K (3840×2160)
  Total FPS (H.265) 1200 FPS @ 720p (1280×720)
1200 FPS @ 1080p (1920×1080)
1120 FPS @ 3M (2048×1536)
600 FPS @ 5M (2591×1944)
480 FPS @ 4K (3840×2160)
  Notes
  • Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup.
  • Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.

Synology Drive

Recommended Number of Concurrent Sync Clients 550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
  Recommended Number of Hosted Files 50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
  Notes
  • Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
  • Utilizing SSD cache can significantly improve performance.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office

Maximum Users 1,800
  Notes
  • Multiple files were opened for testing and each file was edited by 30 users simultaneously.
  • For tested models with expandable memory, the maximum amount of RAM was installed.
  • Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM

Video Station

 

Virtual Machine Manager

Recommended Virtual Machine Instances (Learn more)
  Recommended Virtual DSM Number (Licenses required) 8 (including 1 Free License)
  Notes The specifications vary depending on system configuration and memory size.

VPN Server

Maximum Connections 40

Notes:

  1. Model specifications are subject to change without prior notice.
  2. The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
  3. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
  4. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.

Additional information

Weight 1 kg
Dimensions 20 x 10 x 25 cm
Brand

#Bay

8

Memory

4GB

Memory Slot

2

Hot-Swap HDD

Yes

USB 3.2 Ports

4

Warranty

3