SYNOLOGY DISKSTATION DS1821+8-BAY NAS ENCLOSURE

Description:

CPU AMD RyzenV1500B quad-core 2.2 GHz
Hardware encryption engine Yes (AES-NI)
Memory 4 GB DDR4 ECC SODIMM (expandable up to 32 GB)
Compatible drive types 8 x 3.5″ or 2.5″ SATA HDD/SSD (drives not included) 2 x M.2 2280 NVMe SSD (drives not included)
Hot swappable drives Yes
External ports 4 x USB 3.2 Gen 1 2 x eSATA
Size (HxWXD) 166 343 243 mm
Weight 6.0 kg
LAN ports 4 x 1GbE RJ-45
Wake on LAN/WAN Yes
PCle 3.0 slots 1 4-lane slot Supports 10/25GbE network interface cards3
Scheduled power on/off Yes
System fans 2 (120 120 25 mm)
AC input power voltage 100 V to 240 V AC
Power consumption Access: 59.8 W HDD Hibernation: 26.18 W
Power frequency 50/60 Hz, single phase
Operating temperature 0癈 to 40癈 (32癋 to 104癋)
Storage temperature -20癈 to 60癈 (-5癋 to 140癋)
Relative humidity 5% to 95% RH
Maximum operating altitude 5,000 m (16,400 ft)
General DSM specification
Networking protocols SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, VPN (PPTP, OpenVPN L2TP)
File systems Internal: Btrfs, ext4
External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT
Supported RAID types Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
Storage management Maximum single volume size: 108TB
Maximum system snapshots: 65,5361Maximum interna volumes: 64
SSD cache* Read/write cache support
M.2 NVMe SSD support
File sharing capabilities Maximum local user accounts: 2,048
Maximum local groups: 256
Maximum shared folders: 512
Maximum concurrent SMB/NFS/AFP/FT connections: 1,000
Privileges WindowsAccess Control List (ACL), application privileges
Directory services Connects with Windows* AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials.
Virtualization VMware Sphere6.5, Microsoft Hyper-V*, Citrix OpenStackSecurity Firewall, shared folder encryption, SMB encryption, FT over SSL/TLS, SFT, sync over SSH, login auto block, Let抯 Encrypt support, HTTPS (customizable cipher suite)
Supported clients Windows7 onwards, macOS* 10.12 onwards
Supported browsers Chrome Firefox*, Edge Internet Explorer10 onwards, Safari10 onwards, Safari (iOS 10 onwards), Chrome (Android6.0 onwards) on tablets
Synology Disk Station DS1821+ 8-bay NAS Storage Solution
Packages and Applications
File Server & Synchronization

Drive Synchronizes files across Windows macOS Linux Androidand iOS. The built-in cross-platform portal allows access to data anytime and anywhere.Maximum number of hosted files: 1,000,000Maximum number of concurrent connections for PC clients: 550
File Station Provides virtual drives, remote folders, WindowsACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs.
FTP Server Supports bandwidth control for TCP connections, custom FTP passive port ranges, anonymous FTP, FTP over TLS/SSL and SFTP protocols, network booting with TFTP and PXE support, and transfer logs.
Presto File Server Enables high-speed data transfer over WAN through the exclusive SITA technology between Synology NAS and desktop.
Cloud Sync Offers one or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon S3- compatible storage, Backblaze B2, Baidu Cloud, Box, Dropbox, Google Cloud Storage, Google Drive, hubiC, MegaDisk, Microsoft OneDrive, OpenStack Swift-compatible storage, Tencent COS, WebDAV servers and Yandex Disk.
Universal Search Enables global search of applications and files.
iSCSI Storage & Virtualization

iSCSI Manager Maximum iSCSI targets: 128Maximum iSCSI LUNs: 256iSCSI LUN clone / snapshot support
Virtual Machine Manager Deploys and runs virtual machines on Synology NAS, including Windows Linux and Virtual DSM.
Data Protection & Backup Solution

Hyper Backup Supports local backup, network backup, and data backup to public clouds.
Backup tools DSM configuration backup, macOSTime Machinesupport, Synology Drive Client desktop application Shared folder sync supports a maximum of 16 tasks
Snapshot Replication Maximum of snapshots for shared folders: 1,024Maximum number of replications: 32
Synology High Availability Reduces service downtime by combining two identical NAS into a high-availability cluster.
Active Backup for Google Workspace Supports backup and restoration of Google Workspace My Drive, Team Drive, Gmail, Contacts, and Calendar.
Active Backup for Microsoft 365 Supports backup and restoration of Microsoft 365 OneDrive for Business, mail, contacts, and calendar.
Active Backup for Business An all-in-one backup solution designed for heterogeneous business IT environments. It enables IT admins to remotely manage and protect PCs, servers, and VMs from one centralized console.
Productivity & Collaboration

Collaboration tools Collaborate with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology CalendarChat maximum user: 1,500Office maximum user: 1,800 Calendar: support CalDAV and access via mobile devices
Note Station A note taking platform that supports rich text, note organization and versioning, encryption, sharing, media embedding, and attachments.
Synology MailPlus Server A secure, reliable, and private mail solution featuring high-availability, load balancing, security, and filtering.
Synology MailPlus An intuitive webmail interface for Synology MailPlus Server with customizable mail labels, filters, and user interface.
Multimedia

Moments A feature-rich photo management application that includes AI-powered album creation from facial and subject recognition, photo editing and sharing capabilities, similar photo detection for duplicate management, auto-editing functions such as color correction and angle adjustments, and auto-selection of the best shots. Mobile applications are available on iOS and AndroidTM devices.
Other Packages Video Station, Photo Station, Audio Station, iTunesServer
Surveillance

Surveillance Station Maximum IP cameras: 40, for a total of 1,200 FPS at 720p (H.264).
All-in-One Server

Synology Directory Server Provides a flexible and cost-effective domain controller solution.
Central Management System Provides a single interface to manage and monitor multiple Synology NAS.
VPN Server Maximum connection: 30. Supported VPN protocol: PPTP, OpenVPNTM, L2TP/IPSec
Mail Server Supported Mail Server protocols: POP3, SMTP, IMAP LDAP/AD account support
Mail Station A webmail interface for Mail Server to receive emails from multiple POP3 mailboxes and SMTP servers.
Web Station Enables hosting for up to 30 websites with support for PHP/MariaDBand 3rd-party applications.
Other packages DNS Server, RADIUS Server, Log Center
Others

Storage Analyzer Displays volume and quota usage, total size of files, volume usage and trends based on past usage, size of shared folders, large files, most recently modified files, and least recently accessed files.
Antivirus Essential Provides full system scans, scheduled scans, white list customization, and auto-update of virus definitions.
iOS/Androidapplications Synology Drive, Synology MailPlus, Synology Chat, Synology LiveCam, Moments, DS audio, DS photo, DS video, DS cam, DS file, DS finder, DS note
Other packages Additional 3rd-party packages available on Package Center.

Additional Informatiojn

Number of Bays:
8

CPU:
Ryzen V1500B

CPU Clock Speed (GHz):
2.2GHz

CPU Number of Cores:
4

RAM:
4GB

Support 3.5″ SATA Hard Drive:
Yes

Support 2.5″ SATA Hard Drive:
Yes

Support 2.5″ SATA SSD:
Yes

Support M.2 2280 NVMe SSD:
Yes

Ethernet Port/RJ45:
4x Gigabit Port

USB 3.2 Gen 1 Type-A:
4

eSATA Port:
2