CPU

Intel Celeron J3355 dual-core 2.0 GHz, burst up to 2.5 GHz

Hardware encryption engine

Yes (AES-NI)

Hardware transcoding engine

• Supported codecs: H.264 (AVC), H.265 (HEVC), MPEG-2, VC-1
  • Maximum resolution: 4K (4096 x 2160)
  • Maximum frames per second (FPS): 30

Memory

2 GB DDR3L (expandable up to 6 GB)

Compatible drive type

6 x 2.5” SATA HDD/SSD (drives not included)

Hot swappable drive

Yes

External port

2 x USB 3.0 port

Size (HxWxD)

121 x 151 x 175 mm

Weight

1.40 kg

LAN

2 x Gigabit (RJ-45)

Wake on LAN/WAN

Yes

Scheduled power on/off

Yes

System fan

80 x 80 x 20 mm

AC input power voltage

100V to 240V AC

Power frequency

50/60Hz, single phase

Operating temperature

0°C to 40°C (32°F to 104°F)

Storage temperature

-20°C to 60°C (-5°F to 140°F)

Relative humidity

5% to 95% RH

Maximum operating altitude

5,000 m (16,400 ft)

Networking protocol

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

File system

• Internal: Btrfs, ext4
  • External: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT

Supported RAID type

Synology Hybrid RAID (SHR), Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10

Storage management

• Maximum single volume size: 108 TB
  • Maximum of system snapshots: 65,5365
  • Maximum internal volumes: 64

SSD cache

Read-write cache support

File sharing capability

• Maximum local user account: 2,048
  • Maximum local group: 256
  • Maximum shared folder: 256
  • Maximum concurrent SMB/NFS/AFP/FTP connection: 500

Privilege

Windows Access Control List (ACL), application privilege

Directory service

Windows® AD integration: Domain users login via SMB/NFS/AFP/FTP/File Station, LDAP integration

Virtualization

VMware vSphere® 6.5, Microsoft Hyper-V®, Citrix®, OpenStack®

Security

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

Supported client

Windows 7 and 10, Mac OS X 10.11 onwards

Supported browser

Chrome®, Firefox®, Edge®, Internet Explorer® 10 onwards, Safari® 10 onwards; Safari (iOS 10 onwards), Chrome (Android™ 6.0
onwards) on tablets

Interface Language

English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar,
Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย,

Synology Drive

Provide a universal portal to synchronize your files across various platforms, including Windows, macOS, Linux, Android and
iOS. The built-in universal portal allows you to access data anytime and anywhere.
• Maximum number of hosted files: 500,000
• Maximum number of concurrent connections for PC clients: 450

File Station

Virtual drive, remote folder, Windows ACL editor, compressing/extracting archived files, bandwidth control for specific users
or groups, creating sharing links, transfer logs

FTP Server

Bandwidth control for TCP connections, custom FTP passive port range, anonymous FTP, FTP SSL/TLS and SFTP protocol,
boot over the network with TFTP and PXE support, transfer logs

Presto File Server

High-speed data transfer over WAN with exclusive SITA technology between Synology NAS and desktop

Cloud Sync

One or two-way synchronization with public cloud storage providers including Alibaba Cloud OSS, Amazon Drive, 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, Yandex Disk

Universal Search

Offer global search into applications and files

Active Backup for Office 365

Support Office 365 OneDrive for Business, mail, contacts, and calendar backup and restoration

Active Backup for Business

All-in-one backup solution designed for heterogeneous business IT environment, enabling IT admins to remotely manage
and monitor protection over PC, servers and VM on one centralized console

Collaboration tools

Collaborate with instant message service Synology Chat, online editor Synology Office, and scheduling assistant Synology
Calendar
• Chat maximum user: 1,000
• Office maximum user: 400
• Calendar: support CalDAV and access via mobile devices

Note Station

Rich-text note organization and versioning, encryption, sharing, media embedding and attachments

Synology MailPlus Server

Secure, reliable, and private mail solution with high-availability, load balancing, security and filtering design (Includes 5 free
email account licenses; additional accounts require the purchasing of additional licenses)

Synology MailPlus

Intuitive webmail interface for MailPlus Server, customizable mail labels, filters, and user interface

Moments

Support smart AI album with facial and subject recognition, photo editing and sharing features, similar photo detection, auto
editing functions such as color correction and angle adjustments, and AI selection of the best photos. Mobile applications are
available on iOS and Android devices.

Other packages

Video Station, Photo Station, Audio Station, iTunes® Server

Surveillance Station

Maximum IP camera: 25 (total of 750 FPS at 720p, H.264) (Including two free camera licenses; additional cameras require the
purchasing of additional licenses)

Synology Directory Server

Provide a flexible and cost-effective domain controller solution

Central Management System

Provide a single interface to manage and monitor multiple Synology NAS

VPN Server

Maximum connection: 30, supported VPN protocol: PPTP, OpenVPN™, L2TP/IPSec

Mail Server

Supported Mail Server Protocols: POP3, SMTP, IMAP, Support LDAP/AD account

Mail Station

Webmail interface for Mail Server to receive emails from multiple POP3 mailboxes, customizable SMTP server

Web Station

Virtual host (up to 30 websites), PHP/MariaDB®, third-party applications support

Other packages

DNS Server, RADIUS Server, Log Center