Synology NAS DiskStation DS1821+

28,900,000

Key Features

  • CPU: AMD Ryzen V1500B
  • RAM: 4 GB DDR4 ECC SODIMM up to 32GB
  • Drive bays: Up to 18-bay SATA 3.5″ / 2,5″, SSD M.2 2280 NVMe
  • Capacity: 324 TB
  • LAN RJ-45: 4
  • Free 9-step installation of the exclusive M-Service package at Mstar Corp.

Delivery Options:

  • Within HCMC: 2 – 4 hours
  • Others: 2 -3 days

Return & Warranty

  • 100% Authentic
  • 30 Days Return
  • 3 years warranty
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Synology NAS DiskStation DS1821+ high capacity storage and data protection for anyone

 

Synology NAS 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.

CPU

CPU

AMD Ryzen™
Quad-core 2.2 GHz

Cache Acceleration

Cache Acceleration

Dual M.2 2280 slots for NVMe Cache

Performance

Performance

113K 4K random read IOPS

Scalability

Scalability

Expand up to 18 drives
with two DX517 expansion units

Synology NAS DS1821+ 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 Synology 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

M2

10GbE support

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

10GbE

Storage Expansion

Supports two DX517 expansion units for a total of 18 bays

Picture1 1

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.

file management computer 01 1

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

 

CONTACT INFORMATION: MSTAR CORP

Hotline: 0943199449 – 0909514461

Email: [email protected]

Fanpage: https://www.facebook.com/mstarcorp/

Facebook Group: https://www.facebook.com/groups/synologyvn/

Website: mstarcorp.vn

Add: 1F, 75 Hoang Van Thu Street, Ward 15, Phu Nhuan District HCMC

Branch : 11F, ZenTower Building, 12 Khuat Duy Tien Street, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi

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
  • 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.
  • 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.

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
Maximum Single Volume Size* 108 TB
Hot Swappable Drive
Notes
  • “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.
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

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

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 100 V to 240 V 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-year coverage – EW201
Notes 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

Notes All memory modules will operate at the maximum frequency specified by the CPU manufacturer.

Software Specs

DSM Specifications

Storage Management

Maximum Internal Volume Number 64
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

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

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
Notes
  • The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
  • For tested models with expandable memory, the maximum amount of RAM was installed.

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
Notes Photo Station and Synology Moments are succeeded by Synology Photos in DSM 7.0. For a features comparison, check this article.

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
  • Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
  • The maximum channel number also includes devices installed on Virtual DSM.
  • Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).

Synology Drive

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)
Recommended Number of Concurrent Sync Clients 550 (the number of connections that can be maintained when the recommended number of hosted files was reached)
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 30
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