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Q&A

Questions & Answers

FAQ

What type of CPU does the Diskstation DS1821+ 8-Bay NAS Enclosure have?

The Diskstation DS1821+ 8-Bay NAS Enclosure is equipped with an AMD Ryzen Quad-core 2.2GHz CPU for superior performance.

How many drives can the Diskstation DS1821+ 8-Bay NAS Enclosure support?

The Diskstation DS1821+ 8-Bay NAS Enclosure can support up to 18 drives with two DX517 expansion units.

What protocols does the Diskstation DS1821+ 8-Bay NAS Enclosure support?

The Diskstation DS1821+ 8-Bay NAS Enclosure supports a wide range of protocols including AFP, FTP, iSCSI, NFS, SMB, and WebDAV for complete compatibility.

What backup applications does the Diskstation DS1821+ 8-Bay NAS Enclosure integrate?

The Diskstation DS1821+ 8-Bay NAS Enclosure integrates various backup applications for data protection, including real-time data backups and point-in-time file recovery with Synology Drive Client.

Does the Diskstation DS1821+ 8-Bay NAS Enclosure offer any mail server solutions?

Yes, the Diskstation DS1821+ 8-Bay NAS Enclosure offers a secure, reliable, and private mail server solution with Synology MailPlus.

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Malfunction Protection

Malfunction Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Synology DS1821+ & WD Red Plus Specifications

Hardware: CPU

Hardware: CPU

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  • CPU Model

    AMD Ryzen V1500B

  • CPU Architecture

    64-bit

  • CPU Frequency

    4-core 2.2 GHz

  • Hardware Encryption Engine (AES-NI)

    Yes

Hardware: Memory

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  • System Memory

    4 GB DDR4 ECC SODIMM

  • Memory Module Pre-installed

    4 GB

  • Total Memory Slots

    2

  • Maximum Memory Capacity

    32 GB (2x 16 GB)

Hardware: Storage

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  • Drive Bays

    8

  • Maximum Drive Bays with Expansion Unit

    18 (2x DX517)

  • M.2 Drive Slots

    2 (NVMe)

  • Compatible Drive Type

    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

    Yes

Hardware: External Ports

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  • RJ-45 1GbE LAN Port

    4 (with Link Aggregation / Failover support)

  • USB 3.0 Port

    4

  • eSATA Port

    2

Hardware: PCIe

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  • PCIe Expansion

    1x Gen3 x8 Slot (x4 link)

Hardware: File System

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  • Internal Drives

    Btrfs
    EXT4

  • External Drives

    Btrfs
    EXT4
    EXT3
    FAT
    NTFS
    HFS+
    exFAT

Hardware: Temperature

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  • Operating Temperature

    0 Degree C to 40 Degree C (32 Degree F to 104 Degree F)

  • Storage Temperature

    -20 Degree C to 60 Degree C (-5 Degree F to 140 Degree F)

  • Relative Humidity

    5% to 95% RH

  • Certification

    FCC
    CE
    BSMI
    EAC
    CCC
    KC
    VCCI
    RCM

  • Environment

    RoHS Compliant

Hardware: Others

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  • System Fan

    120 mm x 120 mm x 2 pcs

  • Fan Speed Mode

    Full-Speed Mode
    Cool Mode
    Quiet Mode

  • Easy Replacement System Fan

    Yes

  • Brightness Adjustable

    Yes

  • Power Recovery

    Yes

  • Noise Level

    22.2 dB(A)

  • Scheduled Power On / Off

    Yes

  • Wake on LAN / WAN

    Yes

  • 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)

  • Dimensions (H x W x D)

    6.5 x 13.5 x 9.5" (166 x 343 x 243mm)

  • Weight

    13.2 lbs (6kg)

Software: Storage Management

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  • Maximum Internal Volume Number

    64

  • Maximum iSCSI Target Number

    128

  • Maximum iSCSI LUN

    256

  • iSCSI LUN Clone/Snapshot, Windows ODX

    Yes

  • SSD Read / Write Cache

    Yes

  • SSD TRIM

    Yes

  • 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

Software: File Services

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  • File Protocol

    CIFS/AFP/NFS/FTP/WebDAV

  • Maximum Concurrent Connections

    1000
    2000 (with RAM expansion)

  • Windows Access Control List Integration

    Yes

  • NFS Kerberos Authentication

    Yes

Software: Account & Shared Folder

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  • Maximum Local User Accounts

    2048

  • Maximum Local Groups

    256

  • Maximum Shared Folder

    512

  • Maximum Shared Folder Sync Tasks

    16

Software: High Availability

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  • Synology High Availability

    Yes

Software: Log Center

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  • Syslog Events per Second

    800

Software: Virtualization

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  • VMware vSphere 6 with VAAI

    Yes

  • Windows Server 2016

    Yes

  • Windows Server 2019

    Yes

  • Citrix Ready

    Yes

  • OpenStack

    Yes

Software: General Specifications

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  • 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
    Internet Explorer 10 onwards
    Safari 10 onwards
    Safari (iOS 10 onwards)
    Google Chrome (Android 6.0 onwards)

  • Supported Language

    Brazilian Portuguese, Czech, Danish, Dutch, English, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese ,Turkish

Software: Add-on Packages

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  • Antivirus by McAfee (Trial)

    Yes

Software: Central Management

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  • Central Management System

    Yes

Software: Synology Chat

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  • Maximum Users

    1500

Software: Document Viewer

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  • Document Viewer

    Yes

Software: Download Station

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  • Maximum Concurrent Download Tasks

    80

Software: exFAT Access

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  • exFAT Access (Optional)

    Yes

Software: Synology MailPlus/Server

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  • Free Email Accounts

    5 (Licenses required for additional accounts)

  • Maximum Number of Concurrent Users

    150

  • Maximum Server Performance

    1,484,000 e-mails per day, approx. 45GB

Software: Media Server

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  • DLNA Compliance

    Yes

Software: Moments

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  • Facial Recognition

    Yes

  • Subject Recognition

    Yes

  • Auto Color & Rotate

    Yes

  • Moments Select

    Yes

Software: Snapshot Replication

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  • Maximum Snapshots per Shared Folder

    1024

  • Maximum of System Snapshots

    65536

Software: Surveillance Station

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  • Maximum IP Cam

    40 (including 2 Free License)

  • Total FPS (H.264)

    1200 FPS @ 720p (1280x720)
    1050 FPS @ 1080p (1920x1080)
    600 FPS @ 3M (2048x1536)
    440 FPS @ 5M (2591x1944)
    320 FPS @ 4K (3840x2160)

  • Total FPS (H.265)

    1200 FPS @ 720p (1280x720)
    1200 FPS @ 1080p (1920x1080)
    1120 FPS @ 3M (2048x1536)
    600 FPS @ 5M (2591x1944)
    480 FPS @ 4K (3840x2160)

Software: Synology Drive

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  • Recommended Number of Hosted Files

    1,000,000 (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 Sync Clients

    550 (the number of connections that can be maintained when the recommended number of hosted files was reached)

Software: Synology Office

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  • Maximum Users

    1800

Software: Video Station

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  • Video Station

    Yes

Software: Virtual Machine Manager

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  • Recommended Virtual Machine Instances

    8

  • Recommended Virtual DSM Number

    8

Software: VPN Server

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  • Maximum Connections

    30

  • UPC Code

    192223244955

About Synology DS1821+ & WD Red Plus

Are you in search of a robust and scalable storage solution The Diskstation DS1821+ 8-Bay NAS Enclosure, bundled with 8x WD Red Plus 2TB 3.5" SATA III Internal NAS Hard Drives, is designed to meet the needs of IT enthusiasts and SMB customers. This powerhouse of a device is equipped with an AMD Ryzen Quad-core 2.2GHz CPU and dual M.2 2280 slots for NVMe Cache, offering superior performance and speed.

The DS1821+ excels in handling demanding application workloads and supporting a high number of concurrent users. With faster file indexing in Synology Drive and more responsive web services, it ensures your workloads are completed quicker than ever.

This NAS enclosure is not just about speed; it's also about scalability. It supports two DX517 expansion units, allowing you to expand up to 18 drives. The device also features ultra-fast NVMe cache that can accelerate HDD arrays by 20X or more, and 10GbE support for faster SFP+ or RJ-45 networking.

The DS1821+ also offers the ultimate file management and sharing experience with its web-based File Station. This secure management tool allows for easy drag-and-drop operations without complex setup on Mac or PC. It supports a wide range of protocols including AFP, FTP, iSCSI, NFS, SMB, and WebDAV, ensuring complete compatibility.

Synology's iSCSI storage fully supports most virtualization solutions, enhancing work efficiency with an easy management interface. It integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.

The DS1821+ is more than just a storage solution; it's a comprehensive tool for data management. From centralizing backup tasks for VMware, Windows, and file servers, to real-time data backups and point-in-time file recovery with Synology Drive Client, it ensures your data is always protected.

The device is engineered for reliability and is backed by Synology's three-year hardware warranty. It's powered by Synology DSM Central Management System, which allows you to manage multiple Synology NAS servers simultaneously on a centralized interface.

With a secure, reliable, and private mail server solution in Synology MailPlus, and a comprehensive surveillance solution in Surveillance Station, the DS1821+ is a versatile solution for file management and synchronization. It works best with Synology Solid-State Drives, designed to handle intensive 24/7 workloads and provide consistent high-performance.

In summary, the Diskstation DS1821+ 8-Bay NAS Enclosure, bundled with 8x WD Red Plus 2TB 3.5" SATA III Internal NAS Hard Drives, is a powerful, scalable, and reliable storage solution designed to meet the needs of IT enthusiasts and SMB customers.

Synology DS1821+ & WD Red Plus Features

  • Accelerated Performance
  • Maximize Performance
  • Expansion Made Easy
  • Includes Everything to Protect Your Data
  • Ready for 10GbE

Product Documents

User Manual

Key Features

  • Get ample storage with this Synology NAS, offering a total capacity of 16TB for all your files.
  • Ensure top-notch data security with advanced encryption, protecting your sensitive information on this NAS.
  • Experience fast performance with the Ryzen V1500B CPU, perfect for quick file access & transfers on your NAS.
  • Enjoy easy setup & management; this Synology NAS is designed for users of all technical skill levels.
  • Access your files remotely from anywhere, ensuring your data is always within reach with this NAS.
  • Scale your storage as needed; this NAS supports expansion units for growing data requirements.

What's in the box:

  • Synology Diskstation DS1821+ 8-Bay NAS Enclosure
  • Accessory Pack
  • AC Power Cord
  • 2x RJ-45 LAN Cable
  • User Manual
  • Synology 3 Year Limited Warranty
  • Bundle Includes:
  • 8x WD Red Plus 2TB 3.5" SATA III Internal NAS Hard Drive