Orders placed during Passover Holiday (Wed 4/1 after 4PM ET – Thurs 4/9) will ship Fri 4/10. View our holiday shipping schedule.

Overview
Compare
Accessories
Specs
Protection
Q&A

Questions & Answers

FAQ

What processor does the Synology DS1821+ use?

The Synology DS1821+ is powered by an AMD Ryzen Quad-core 2.2GHz processor, offering enhanced compute capabilities for demanding workloads.

How many drives can the DS1821+ support?

The DS1821+ can support up to 18 drives when expanded with two DX517 expansion units, providing scalable storage solutions.

What networking options are available with the DS1821+?

The DS1821+ supports 10GbE networking, allowing for faster SFP+ or RJ-45 connectivity to optimize existing workflows.

Which protocols are compatible with File Station on the DS1821+?

File Station on the DS1821+ supports a variety of protocols, including AFP, FTP, iSCSI, NFS, SMB, and WebDAV, ensuring seamless file management and sharing.

What backup solutions are integrated with the DS1821+?

The DS1821+ integrates several backup solutions, including Active Backup for Business, Hyper Backup, and Active Backup for Microsoft 365 / G Suite, to ensure comprehensive data protection and recovery.

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”.

image-protection

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+ & N300 Pro Specifications

Hardware: CPU

Hardware: CPU

Jump to...
  • CPU Model

    AMD Ryzen V1500B

  • CPU Architecture

    64-bit

  • CPU Frequency

    4-core 2.2 GHz

  • Hardware Encryption Engine (AES-NI)

    Yes

Hardware: Memory

Jump to...
  • 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

Jump to...
  • 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

Jump to...
  • RJ-45 1GbE LAN Port

    4 (with Link Aggregation / Failover support)

  • USB 3.0 Port

    4

  • eSATA Port

    2

Hardware: PCIe

Jump to...
  • PCIe Expansion

    1x Gen3 x8 Slot (x4 link)

Hardware: File System

Jump to...
  • Internal Drives

    Btrfs
    EXT4

  • External Drives

    Btrfs
    EXT4
    EXT3
    FAT
    NTFS
    HFS+
    exFAT

Hardware: Temperature

Jump to...
  • 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

Jump to...
  • 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

Jump to...
  • 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

Jump to...
  • 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

Jump to...
  • Maximum Local User Accounts

    2048

  • Maximum Local Groups

    256

  • Maximum Shared Folder

    512

  • Maximum Shared Folder Sync Tasks

    16

Software: High Availability

Jump to...
  • Synology High Availability

    Yes

Software: Log Center

Jump to...
  • Syslog Events per Second

    800

Software: Virtualization

Jump to...
  • VMware vSphere 6 with VAAI

    Yes

  • Windows Server 2016

    Yes

  • Windows Server 2019

    Yes

  • Citrix Ready

    Yes

  • OpenStack

    Yes

Software: General Specifications

Jump to...
  • 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

Jump to...
  • Antivirus by McAfee (Trial)

    Yes

Software: Central Management

Jump to...
  • Central Management System

    Yes

Software: Synology Chat

Jump to...
  • Maximum Users

    1500

Software: Document Viewer

Jump to...
  • Document Viewer

    Yes

Software: Download Station

Jump to...
  • Maximum Concurrent Download Tasks

    80

Software: exFAT Access

Jump to...
  • exFAT Access (Optional)

    Yes

Software: Synology MailPlus/Server

Jump to...
  • 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

Jump to...
  • DLNA Compliance

    Yes

Software: Moments

Jump to...
  • Facial Recognition

    Yes

  • Subject Recognition

    Yes

  • Auto Color & Rotate

    Yes

  • Moments Select

    Yes

Software: Snapshot Replication

Jump to...
  • Maximum Snapshots per Shared Folder

    1024

  • Maximum of System Snapshots

    65536

Software: Surveillance Station

Jump to...
  • 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

Jump to...
  • 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

Jump to...
  • Maximum Users

    1800

Software: Video Station

Jump to...
  • Video Station

    Yes

Software: Virtual Machine Manager

Jump to...
  • Recommended Virtual Machine Instances

    8

  • Recommended Virtual DSM Number

    8

Software: VPN Server

Jump to...
  • Maximum Connections

    30

  • UPC Code

    192223248953

7 Accessories for Synology Diskstation DS1821+ 8-Bay NAS Enclosure, Bundle with 8x Toshiba N300 Pro 10TB SATA III 3.5" Internal NAS Hard Drive

  • All Accessories (7)
  • SSD Drives (2)
  • Drives & Storage (2)
  • Ram (1)
  • Cables & Adapters (2)

About Synology DS1821+ & N300 Pro

With the Synology DiskStation DS1821+ 8-Bay NAS Enclosure, bundled with 8x Toshiba N300 Pro 10TB SATA III 3.5" Internal NAS Hard Drives, you gain a robust and scalable storage solution tailored for IT enthusiasts and small to medium-sized businesses. This powerhouse NAS is engineered to enhance performance and scalability, ensuring your data is secure and efficiently managed.

The DS1821+ is powered by an AMD Ryzen Quad-core 2.2GHz processor, delivering significant improvements in compute capabilities and throughput. This ensures faster completion of workloads, making it ideal for demanding applications and a higher number of concurrent users. With dual M.2 2280 slots for NVMe cache acceleration, you can boost HDD array performance by 20 times or more, optimizing your storage operations.

Expand your storage capacity effortlessly with support for up to 18 drives by integrating two DX517 expansion units. The DS1821+ also supports 10GbE networking, allowing you to enhance your existing workflows with faster SFP+ or RJ-45 connectivity.

For ultimate file management and sharing, the DS1821+ features File Station, a web-based tool that simplifies drag-and-drop operations without complex setups. It supports a wide range of protocols, including AFP, FTP, iSCSI, NFS, SMB, and WebDAV, ensuring seamless compatibility across different systems.

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

As an ultimate backup solution, the DS1821+ integrates various backup applications into an intuitive interface. Active Backup for Business centralizes backup tasks for VMware, Windows, and file servers, while Hyper Backup ensures comprehensive data protection across local and cloud environments. Synology Drive provides real-time data backups and point-in-time file recovery, and Active Backup for Microsoft 365 / G Suite safeguards corporate cloud data with advanced deduplication technology.

Engineered 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 the Synology DSM Central Management System, you can manage multiple NAS servers from a centralized interface, enhancing business efficiency.

Additional features include Synology MailPlus for secure and private email management, Synology High Availability for seamless server transitions, and comprehensive security tools to protect against evolving threats. The DS1821+ also integrates with Surveillance Station for intelligent monitoring and works best with Synology Solid-State Drives, designed for intensive 24/7 workloads to deliver consistent high performance.

Synology DS1821+ & N300 Pro Features

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

Product Documents

User Manual

Key Features

  • This Synology DiskStation NAS bundle provides 80TB storage for all your critical data.
  • Ensure top-notch data security with advanced encryption and robust RAID configurations.
  • Experience fast performance with the Ryzen CPU, perfect for demanding applications.
  • Enjoy remote access to your files from anywhere, keeping you connected on the go.
  • Set up your network-attached storage easily with our user-friendly interface and tools.
  • Trust in Synology's reliable brand for secure, scalable, and high-performance storage.

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 Toshiba N300 Pro 10TB SATA III 3.5" Internal NAS Hard Drive