Intel Xeon D-1531 6-core (12-thread) 2.2 GHz, turbo boost up to 2.7 GHz

CPU

AES-NI

Hardware encryption engine

16 GB DDR4 ECC SODIMM (expandable up to 48 GB)

Memory

12 x 3.5" or 2.5" SATA HDD/SSD (drives not included)

Only drives listed on the compatibility list can be used to create storage pools

Compatible drive type

Yes

Hot swappable drive

2 x USB 3.2 Gen 1 ports

2 x Expansion ports (Mini-SAS HD)

External port

Desktop

Form factor

270 x 300 x 340 mm

Size (Height x Width x Depth)

9.8 kg

Weight

1 x 1GbE RJ-45 (out-of-band management and data transfer)

2 x 1GbE RJ-45 (data transfer)

2 x 10GbE RJ-45

LAN port

Yes (only on 1GbE ports)

Wake on LAN/WAN

Yes (on first 1GbE port)

Power on/off/reboot

Access system console

Out-of-band management

1 x 8 width slot, Gen 3.0 x8 lanes

Supports network interface cards,3 M.2 NVMe adapter cards for SSD cache,4 Fibre Channel host bus adapters,3 and 10GbE/M.2 NVMe adapter combination cards

PCIe Expansion

Yes

Scheduled power on/of

2 x (120 x 120 x 25 mm)

System fans

100 V to 240 V AC

AC input power voltage

50/60 Hz, single phase

Power Frequency

0°C to 40°C (32°F to 104°F)

Operating Temperature

-20°C to 60°C (-5°F to 140°F)

Storage Temperature

5% to 95% RH

Relative Humidity

5,000 m (16,400 ft)

Maximum operating altitude

SMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Fibre Channel,3 Telnet, SSH, SNMP, and VPN (PPTP, OpenVPN™, L2TP)

Networking protocol

Internal: Btrfs, ext4

External: Btrfs, ext4, ext3, FAT32, NTFS, HFS+, exFAT

File system

Synology RAID F1, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, and RAID 10

Supported RAID type

Maximum single volume size: 108TB/200TB

Maximum system snapshots: 65,536

Maximum internal volume: 256

Storage management

Read/write cache support

M.2 NVMe or 2.5" SATA SSD support

SSD cache

Power on, shutdown, force shutdown, force reboot, reset system, view DSM logs, monitor DSM logs, view OOB logs

Out-of-band (OOB) management

Maximum local user account: 16,000

Maximum local group: 512

Maximum shared folder: 512

Maximum concurrent SMB/NFS/AFP/FTP connections: 4,000 (10,000 with RAM expansion)

File sharing capability

Windows Access Control List (ACL), application privileges

Privilege

Connects with Windows AD/LDAP servers enabling domain users to login via SMB/NFS/AFP/FTP/File Station using their existing credentials

Directory service

VMware vSphere, Microsoft Hyper-V, Citrix XenServer, OpenStack, and Kubernetes

Virtualization

Firewall, shared folder encryption, SMB encryption, FTP over SSL/TLS, SFTP, rsync over SSH, login auto block, Let's Encrypt support, and HTTPS (customizable cipher suite)

Security

Google Chrome, Firefox, Microsoft Edge, Safari 13 and later, and Safari (iOS 13.0 and later) on iPad, Chrome (Android 11.0 and later) on tablets

Supported browser

Offers one or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, 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

Cloud Sync

Synchronizes files across Windows, macOS, Linux, Android and iOS. The built-in cross-platform portal allows access to data anytime and anywhere

Maximum number of hosted files: 50,000,000

Maximum number of concurrent connections for PC clients: 1,800

Drive

Provides virtual drives, remote folders, Windows ACL editor, compression/extraction of archived files, bandwidth control for specific users/groups, creation of sharing links, and transfer logs

File Station

Efficiently synchronizes files across sites by keeping shared data on Synology C2 Storage and streaming files to Synology NAS worldwide on request. Frequently requested files are cached at each site for low-latency access

Hybrid Share

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

FTP Server

Enables high-speed data transfer over WAN through the exclusive SITA technology between Synology NAS and desktop platforms

Presto File Server

Search through files, metadata, and more on your NAS. Integration with Windows Search and macOS Spotlight makes it easy to find files

Universal Search

Migrates data, system setting, and applications seamlessly from one Synology NAS to another to ensure maximum service availability

Migration Assistant

Maximum number of iSCSI targets: 256

Maximum number of LUNs: 512

LUN Clone/Snapshot, Windows ODX support

SAN Manager

Supports running Windows, Linux, and Virtual DSM-based virtual machines on Synology NAS

Virtual Machine Manager

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

Active Backup for Business

Supports backup and restoration of Google Workspace My Drive, Team Drive, Gmail, Contacts, and Calendar

Active Backup for Google Workspace

Supports backup and restoration of Microsoft 365 OneDrive for Business, Outlook, Contacts, and Calendar

Active Backup for Microsoft 365

DSM configuration backup, macOS Time Machine support, Synology Drive Client desktop application

Shared folder sync supports a maximum of 32 tasks

Backup tools

Supports local backup, network backup, and data backup to other servers and public clouds, including C2 Storage

Hyper Backup

Maximum of shared folder snapshots: 1,024

Maximum of replication: 64

Snapshot Replication

Reduces service downtime by combining two identical NAS into a high-availability cluster

Synology High Availability

Collaborate with instant messaging service Synology Chat, online documents editor Synology Office, and scheduling assistant Synology Calendar

Chat maximum user: 4,000

Office maximum user: 2,900

Calendar: support CalDAV and access via mobile devices

Collaboration tools

A note taking platform that supports rich text, note organization and versioning, encryption, sharing, media embedding, and attachments

Note Station

A secure, reliable, and private mail solution featuring high-availability, load balancing, security, and filtering options

Synology MailPlus Server

An intuitive webmail interface for Synology MailPlus Server with configurable mail labels, filters, and user interface

Synology MailPlus

Maximum IP cameras: 90, for a total of 2,700 FPS at 720p (H.264)

Surveillance Station

Gain useful intelligence, including health statistics of all NAS deployments across multiple sites and actionable advice to solve any issues, on a centralized cloud-hosted management platform

Active Insight

Provides full system scans, scheduled scans, white list customization, and auto-update of virus definitions

Antivirus Essential

Provides a single interface to manage and monitor multiple Synology NAS models

Central Management System

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

Storage Analyzer

Provide a flexible and cost-effective domain controller solution

Synology Directory Server

Maximum connections: 60

Supported VPN protocols: PPTP, OpenVPN, L2TP/IPSec

VPN Server

Enables hosting for up to 30 websites with support for PHP/MariaDB and 3rd-party applications

Web Station

DNS Server, RADIUS Server, and Log Center

Other packages

Synology Drive, Synology MailPlus, Synology Secure SignIn, Synology Chat, Synology LiveCam, Synology Photos, Synology Active Insight, DS audio, DS photo, DS video, DS cam, DS file, DS finder, and DS note

iOS/Android applications

Additional 3rd-party packages are available in the Package Center

Other packages

RoHS compliant

Environment safety

1 x DS3622xs+ main unit

1 x Quick Installation Guide

1 x Accessory pack

1 x AC power cord

2 x RJ-45 LAN cables

Package content

DDR4 ECC SODIMM: D4ES02-8G / D4ES01-16G

10GbE Network Interface Cards: E10G21-F2 / E10G18-T2 / E10G18-T1

25GbE Network Interface Cards: E25G21-F2

M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1

M.2 SSD Adapter Cards: M2D20

2.5" SATA SSD: SAT5200

3.5" SATA HDD: HAT5300

Expansion Unit: DX1222

MailPlus License Pack

Surveillance Device License Pack

Virtual DSM License Pack

Optional accessories