General	IT3107 Network Storage Processor 4 Serial ATA channels Compatible with SATA and SATA IIHDD Hot swappable and lockable trays 10/100/1000 Ethernet LCD display 3 USB 2.0 ports 256MB PC2700 DDR-SDREAM SO-DIMM Embedded 64MB Flash Memory for OS Supports Windows, Mac, Linux/UNIX Clients DHCP server and print server Setup wizard and easy browser-based interface
Volume Management	Volume management Single volume auto expansion (X-RAID) Journaled file system User, group, and share-level quotas
Network File Services	CIFS/SMB for Windows® AFP 3.1 for Mac OS 9/X NFS v2 / v3 for Linux and UNIX HTTP/S for web browsers FTP/S support
Media Streaming	UPnP AV SlimServer Network DVD player compatible Windows MCE compatible
Network Security	Selectable Share, User Domain/ADS modes Windows™ ACL Encrypted network logins Secure Socket Layer (SSL)
Network Options	DHCP or static IP WINS, NTP
System Management	Performance options Device status Email alerts and event logs SNMP
Backup	Integrated Backup Manager Programmable backup button Backup to/from CIFS/NFS/FTP/HTTP & RSYNC Backup to/from USB disks Bundled backup software: EMC® Retrospect® Professional for Windows (5 users license) EMC® Retrospect® Desktop for Macintosh (5 users license)
USB Device Support	USB HDD and flash drives Printers UPS monitoring and auto shutdown Wireless network adapters
Languages	Management UI: English, Japanese, Chinese, and German File Name: Unicode
Electrical	Fanless server-rated AC power supply Input: 100-240 VAC, 50/60Hz
Thermal	92mm ball-bearing chassis cooling fan Fan failure alert High temperature email alert with auto-shutdown option
Environmental Specifications	0° C-40° C 20-80% Humidity (non-condensing) FCC, UL, CE, C-tick, RoHS compliance
Physical Specifications	Kensington® lock security hole Easy carry handle Dimension: 7.9 H x 5.2 W x 8.7 D (inch) / 200 H x 132 W x 222 D (mm) Weight: 10 pounds (4.6 Kg) without disks
Package Contents	ReadyNAS NV+ 4 Hard Disk Trays (with 500GB HDD) Getting Started Guide Warranty Card Power Cable Ethernet Cable ReadyNAS Installation CD ReadyNAS Discovery Utility 5-Client EMC Retrospect Professional for Windows 5 Client EMC Retrospect Desktop for Macintosh
RAID	Harware X-RAID single volume auto expansion Multiple volume support for RAID 0, 1, 5
Web Browsers Supported	Internet Explorer 6.0+ Netscape Navigator 7.0+ Opera 7.0+; Safari 1.22+ Mozilla Firefox 1.03+
Power Consumption	55 W typical (with 4 x 250GB disks) Power saving mode
Optional Spare Parts	Lockable disk tray 92mm chassis fan AC power supply