DS212j

Budget-friendly 2-bay NAS Server for Small Office and Home Use

Synology DiskStation DS212j is designed to provide a solution of file storage and sharing with data protection for your home environment with low power consumption, quiet operation and reliability. Running on DiskStation Manager (DSM) operating system, it delivers ease of use and a variety of features.

24/7 Power-Saving Download Server
DLNA^® Certified Media Server
Effortless Backup
Anywhere Access
Power-saving with only 17.6 Watts in Operation
Running on Synology DiskStation Manager (DSM)

Overview

Hardware

CPU Frequency : 1.2GHz
Hardware Encryption Engine
Memory : DDR2 256MB
Internal HDD/SSD : 3.5" or 2.5" SATA(II) X 2 (With optional 2.5" Disk Holder) (Hard drive not included)
Max Internal Capacity : 8TB (2X 4TB HDD) (Capacity may vary by RAID types) (See All Supported HDD)
External HDD Interface : USB 2.0 Port X 2
Size (HxWxD) : 165 X 100 X 225.5 mm
Weight : 0.94Kg
LAN : Gigabit X1

System Fan : 92x92mm X1
Wireless Support (dongle)
Noise Level : 18.3 dB(A)
Power Recovery
AC Input Power Voltage : 100V to 240V AC
Power Frequency : 50/60 Hz, Single Phase
Power Consumption : 17.6W (Access); 5.5W (HDD Hibernation);
Operating Temperature : 5°C to 35°C (40°F to 95°F)
Storage Temperature : -10°C to 70°C (15°F to 155°F)
Relative Humidity : 5% to 95% RH
Maximum Operating Altitude : 6,500 feet
Certification : FCC Class B, CE Class B, BSMI Class B
Warranty : 2 Years

Notes :

Noise Level Testing Environment: Fully loaded with Seagate 1TB ST31000520AS hard drive(s) in idle; Two G.R.A.S. Type 40AE microphones, each set up at 1 meter away from the DiskStation front and rear; Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%;
Power consumption is measured when fully loaded with Western Digital 3TB WD30EZRS hard drive(s).

DSM Specifications (See more)

Storage Management
Max File System Size : 16TB
Max Internal Volume # : 256
Max iSCSI Target # : 10
Max iSCSI LUN # : 10
Supported RAID Type : Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1
RAID Migration : Basic to RAID 1
Volume Expansion with Larger HDDs : Synology Hybrid RAID, RAID 1

File Sharing Capability
Max User Accounts : 512
Max Groups : 128
Max Shared Folder : 256
Shared Folder Sync - Max task number : 2
Max Concurrent CIFS/AFP/FTP Connections : 64
Windows Access Control List (ACL) Integration

Notes :

The Max File System size (or the Max Volume size) doesn't equal to the Max Internal Capacity, which is limited by the aggregated space of installed drives.

Add-on Packages (See more)

Antivirus Essential
Audio Station
Cloud Station
Maximum of Concurrent File Transfers : 64
DHCP Server
Directory Server
DNS Server
Download Station
Maximum Concurrent Download Tasks : 30
Glacier Backup
HiDrive Backup
iTunes Server
Mail Server
Mail Station
Media Server

Photo Station
RADIUS Server
Surveillance Station
MAX IP cam # (Licenses required) : 5 (1 Free License) (See All Supported IP Cameras)
Total frame rate (FPS) : 50 FPS @ D1 (NTSC：720x480, PAL：720x576), 10 FPS @ WXGA (1280x800).
Syslog Server
Syslog Events per Second : 50
Time Backup
Maximum Task Number : 1
Video Station
VPN Server
Maximum Connections : 5
3rd Party Packages (See more)

Notes :

Surveillance Station throughput is tested with Axis M1011 (640X480) and Axis M1054 (1280X800); FPS set to 10 at every channel; Compression rate: 30%; Video Codec: MJPEG, MPEG4 (640X480 only), H.264; Recording Type is conducted with Motion Detection Recording (By Surveillance Station) and Continuous Recording; Actual performance may vary depending on camera settings and DiskStation loading.

Environment and Packaging

Environment
RoHS Compliant
Package Content
Main Unit X 1
Installation Disk X 1
Welcome Note X 1
Assembling Kit X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 1

Optional Accessories (See more)
Remote
Camera License Pack
Disk Holder : Type C
VS80
VS240HD

(Updated : 2013/04/24)

General Specifications

Networking Protocols
CIFS
AFP
NFS
FTP
WebDAV
CalDAV
iSCSI
Telnet
SSH
SNMP
VPN (PPTP, OpenVPN)
File System
EXT4
EXT3 (External Disk Only)
FAT (External Disk Only)
NTFS (External Disk Only)
Management
Auto DSM Upgrade
Push Notification – MSN/Skype/Mobile Devices
Email/SMS Notification
Customized User Quota
Customized Administrator/User Group
Syslog Support
DDNS Support
IPv6 Support
VLAN Support
PPPoE
Hotspot
Resource Monitor
Connection Manager
UPS Management
Scheduled Power On/Off
Custom Management UI HTTP/HTTPS Ports

Windows AD Domain Integration
Domain Users login via Samba/AFP/FTP/File Station
HDD Management
HDD Hibernation
S.M.A.R.T.
Dynamic Bad Sector Mapping
Security
FTP over SSL/TLS
IP Auto-Block
Firewall
Encrypted Network Backup over Rsync
HTTPS Connection
Utilities
Synology Assistant
Synology Data Replicator
Supported Clients
Windows XP onward
Mac OS X 10.5 onward
Ubuntu 9.04 onward
Supported Browsers
Chrome
Firefox
Internet Explorer : 8, 9
Safari (MAC) : 5
Language
English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文