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Q&A

Questions & Answers

FAQ

What type of processor does the Synology DS1821+ use?

The Synology DS1821+ is equipped with an AMD Ryzen Quad-core 2.2GHz processor, offering robust performance for demanding workloads.

How many hard drives are included in the Synology DS1821+ bundle?

The bundle includes eight Seagate IronWolf 4TB SATA III 3.5" NAS Hard Drives, providing ample storage capacity.

Can the DS1821+ be expanded for additional storage?

Yes, the DS1821+ supports expansion up to 18 drives using two DX517 expansion units, allowing for increased storage capacity.

What network enhancements does the DS1821+ support?

The DS1821+ supports 10GbE networking, enabling faster SFP+ or RJ-45 connections to boost existing workflows.

Does the DS1821+ offer virtualization support?

Yes, the DS1821+ fully supports virtualization solutions like VMware vSphere 6 and VAAI integration, enhancing work efficiency.

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+ Kit 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

    192223257627

About Synology DS1821+ Kit

Find the ultimate storage solution with the Synology DiskStation DS1821+ 8-Bay NAS Enclosure Bundle, featuring eight Seagate IronWolf 4TB SATA III 3.5" Internal NAS Hard Drives, each spinning at 5400 RPM. This powerful and scalable NAS system is tailored for IT enthusiasts and small to medium-sized businesses seeking robust data management and protection. The DS1821+ offers business-grade backup solutions to safeguard against data loss, while enhanced computational capabilities and throughput ensure faster completion of workloads.

At the heart of this powerhouse is an AMD Ryzen Quad-core 2.2GHz CPU, complemented by dual M.2 2280 slots for NVMe cache acceleration, delivering up to 113K 4K random read IOPS. Expand your storage capacity seamlessly with support for up to 18 drives using two DX517 expansion units. The DS1821+ is engineered to handle demanding applications and multiple concurrent users, providing rapid file indexing, efficient photo organization, and responsive web services.

Enhance your network performance with 10GbE support, allowing for faster SFP+ or RJ-45 networking to boost existing workflows. The DS1821+ also supports ultra-fast NVMe cache, accelerating HDD arrays by 20 times or more. For ultimate file management and sharing, the File Station offers a web-based, secure management tool with easy drag-and-drop operations, advanced search, and filtering tools. It supports a wide range of protocols, including AFP, FTP, iSCSI, NFS, SMB, and WebDAV, ensuring complete compatibility.

The DS1821+ is fully certified for storage virtualization solutions, supporting VMware vSphere 6 and VAAI integration to optimize computation efficiency and offload storage operations. Windows Offloaded Data Transfer (ODX) enhances data transfer and migration rates, while OpenStack Cinder support transforms your NAS into a block-based storage component.

As an ultimate backup solution, the DS1821+ integrates various applications into an intuitive interface, offering durable storage technologies to protect your data across devices. Centralize backup tasks with Active Backup for Business, ensuring fast and reliable restoration. Hyper Backup allows comprehensive data backups to local folders, external devices, other Synology NAS units, rsync servers, or public clouds. Synology Drive Client provides real-time data backups and point-in-time file recovery, while Active Backup for Microsoft 365 and G Suite protects cloud-stored corporate data with centralized management and storage efficiency optimization.

Designed for reliability, the DS1821+ is backed by Synology's three-year hardware warranty, with an optional two-year extension available in select regions. Powered by Synology DSM Central Management System, it enables efficient management of multiple NAS servers from a single interface. Additional features include Synology MailPlus for secure and private email solutions, Synology High Availability for seamless server transitions, and comprehensive security tools to protect against evolving threats. The DS1821+ also supports Synology SSDs, engineered for consistent high performance in 24/7 workloads, and Surveillance Station for intelligent monitoring and recording of your environment.

Synology DS1821+ Kit Features

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

Warranty Information

This product has a limited warranty of 36 months.

Product Documents

User Manual

Key Features

  • Harness the power of this Synology NAS for robust data security and RAID support.
  • Experience fast performance with the AMD Ryzen CPU, perfect for demanding applications.
  • Easily manage and share files with remote access, ideal for collaboration and backups.
  • This 8-Bay NAS enclosure offers ample storage capacity for all your important data needs.
  • Enjoy easy setup and intuitive interface, making server management a breeze for anyone.
  • Expand your storage as needed; this NAS supports multiple expansion units for future growth.

What's in the box:

  • Synology DiskStation DS1821+ 8-Bay NAS Enclosure
  • Accessory Pack
  • AC Power Cord
  • 2x RJ-45 LAN Cable
  • Quick Installation Guide
  • Synology 3 Year Limited Warranty
  • Bundle Includes:
  • 8x Seagate IronWolf 4TB SATA III 3.5" Internal NAS Hard Drive (5400 RPM)