Synology DiskStation DS212+ specs

Networking Protocols

CIFS
AFP
NFS
FTP
WebDAV
iSCSI
Telnet
SSH
SNMP

File System

EXT4
EXT3(External Disk Only)
FAT (External Disk Only)
NTFS (External Disk Only)

Storage Management

Max Volume # : 256
Max File System Size : 16TB
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 : RAID 1

File Sharing Capability

Max User Accounts : 2048
Max Groups : 256
Max Shared Folder : 256
Max Concurrent Connections : 256

Windows Access Control List (ACL)

Windows ADS Domain Integration

Domain Users login via Samba/AFP/FTP/File Station

Backup Solutions

Network Backup
Local Backup
Desktop Backup (using Synology Data Replicator 3 or Apple Time Machine backup application)
Shared Folder Sync - Max task number : 4
Time Backup - Max task number : 4
Time Machine Backup (Mac)
USBCopy
SDCopy

Security

FTP over SSL/TLS
IP Auto-Block
Firewall
Encrypted Network Backup over Rsync
HTTPS Connection

Management

Auto DSM Upgrade
Administrator Group
Email Notification
SMS Notification
Customized User Quota
DDNS Support
IPv6 Support
PPPoE
Resource Monitor
UPS Management
Scheduled Power On/Off
Custom Management UI HTTP/HTTPS Ports

HDD Management

HDD Hibernation
S.M.A.R.T.
Dynamic Bad Sector Mapping

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 : 7, 8, 9
Safari (MAC) : 4, 5

Supported Mobile Devices (Photo Station, File Station)

iPhone OS 2.2.1 onward
Android OS 1.5 onward
Windows Mobile (IE Mobile or Opera 9.0 onward)
Symbian OS 9.1, S60 3rd Edition onward
Language : Czech, Danish, Dutch, English, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese Brazil, Portuguese European, Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese, Turkish