D-Link ShareCenter Quattro 4-Bay (NAS)

Standards 
IEEE 802.3
IEEE 802.3ab
IEEE 802.3u
IEEE 802.3ad
TCP/IP
CIFS/SMB
AFP
NFS
UPnP AV
LLTD • Bonjour
DDNS
NTP
FTP over SSL/TLS, FXP
HTTP/HTTPS
WebDAV
USB 2.0
DHCP Client
PnP-X
 
Device Interfaces
Four SATA I/II 3.5-inch hard drive bays, supports  hard drive capacities up to 3 TB
Two 10/100/1000 Gigabit Ethernet Ports 
USB 2.0 PortLEDs • LAN (on LAN ports)
Ethernet (on Ethernet ports)
Display
128 x 32 OLED Display Screen 
Disk Managment
Multiple Hard Drive Configurations: RAID 0/1/5/10/5 + Hot Spare, JBoD, Standard
RAID migration from Non-RAID to RAID 1/5, RAID 1 to RAID 5
Hard Drive Formats
Scandisk 
Internal: EXT4
External: FAT16/32, NTFS
S.M.A.R.T.
AES based volume encryption
Disk Roaming
RAID Roaming
Account Managment 
Windows Active Directory service support for Windows Server 2003/2008
User account management
Group account management 
User/Group Quota management
Network Share management
ISO Mount management
Batch User Creation
 
Download management 
HTTP/FTP schedule download
Peer to Peer (P2P), aMule
Backup Management
Schedule Backup from PC to NAS
Schedule Local Backups
Schedule Remote Backups (Rsync, Remote Snapshot) 
Apple Time Machine support
USB Backups
Cloud Storage Backup (Amazon S3)
 
Device Managment
Web interface with support for Internet Explorer 7, Firefox 3, Safari 4, Chrome 3, and Opera 10 or above
Easy Search Utility
Email Notifications
SMS Notifications
System/FTP log
Yahoo! Widget
SNMPv2
Resource Monitor
Add-ons Packages
 
Power Management 
Power Saving mode
Auto Power Recovery
Schedule Power on/off
Smart Fan control 
D-Link Green Ethernet
Auto-offload system when UPS is low on battery
Network UPS
Remote File Sharing 
Web File Server
FTP Server
WebDAV
AjaXplorer
Mobile devices - mydlink™ Cloud app
File Sharing
Max. user accounts: 512 (non-ADS)/800 (ADS)
Max. groups: 64 (non-ADS)/200 (ADS)) 
Max. shared folders: 128 (without P2P)
Max. concurrent connections: 64 (Samba)/10 (FTP)