Synology DiskStation DS1512+ specs

Networking Protocols
CIFS
AFP
NFS
FTP
WebDAV
iSCSI
Telnet
SSH
SNMP
VPN (PPTP, OpenVPN)

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

Storage Management
Max File System Size : 108TB
Max Internal Volume # : 512
Max iSCSI Target # : 32
Max iSCSI LUN # : 256
Supported RAID Type : Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 5+Spare, RAID 6, RAID 10
RAID Migration : Basic to RAID 1, Basic to RAID 5, Basic to RAID 5+Spare, RAID 1 to RAID 5, RAID 1 to RAID 5+Spare, RAID 5 to RAID 5+Spare, RAID 5 to RAID 6
Volume Expansion with Larger HDDs : RAID 1, RAID 5, RAID 5+Spare, RAID 6
Volume Expansion by Adding a HDD : RAID 5, RAID 5+Spare, RAID 6
Synology Expansion Unit Support : DX510

File Sharing Capability
Max User Accounts : 2048
Max Groups : 256
Max Shared Folder : 256
Max Concurrent CIFS/AFP/FTP Connections : 512

Windows Access Control List (ACL)

Windows ADS Domain Integration
Domain Users login via Samba/AFP/FTP/File Station
Virtualization
Vmware vSphere 4
Microsoft Hyper-V
Citrix Ready

Backup Solutions
Network Backup
Local Backup
Desktop Backup (Window: Synology Data Replicator 3, Mac: Apple Time Machine backup application)
Shared Folder Sync - Max task number : 8
Configuraiton Backup

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

Management
Auto DSM Upgrade
Administrator Group
Push Notification – MSN/Skype/Mobile Devices
Email/SMS Notification
Customized User Quota
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

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

Language
English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svensk, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, 日本語, 한국어, 繁體中文, 简体中文