Specification
• ReadyNAS Ultra 4
* 4-Bay Storage with RAID 0, 1, 5 data protection
* 1.66 GHz Intel® Atom™ single-core processor
* 1GB DDR2 SODIMM
* Includes two Gigabit Ethernet ports
* Includes three USB 2.0 ports

• Physical Dimensions (w x h x d):
* 134 x 205 x 223 mm
* 5.28 x 8.07 x 8.78 in

• Physical Weight
* 4.70 kg / 10.35 lb without disks

• Available configurations
* Diskless
* Half-populated

• System Requirements
* For LAN setup: an Ethernet Connection
* Microsoft® Windows® 7, Vista™, XP, 2000, Mac OS®, UNIX®, or Linux®
* Microsoft® Internet Explorer® 7.0+, Apple® Safari® 2.0+, Mozilla Firefox® 2.0+, Opera® 9.5+
* Hard Disk Drive(s) - We recommend HDD from NETGEAR HDD Compatible List only

• Volume Management
* X-RAID2™ auto volume expansion technology
* Multiple volume support for RAID 0, 1, 5, 6 (see above for more details)
* Journaling mode
* User, group, and share-level quotas
* Built-in iSCSI target service

• Storage Protocols
* CIFS/SMB for Windows®
* AFP for Mac OS®
* NFS for Linux® and UNIX®
* HTTP/S for Web browsers
* FTP/S Support

• Multimedia Streaming
* ReadyNAS is DLNA Certified™ and can stream to media players (see www.dlna.org for latest):
o NETGEAR® Digital Entertainers
o Network DVD/Blu-ray players
o Game consoles, like Sony® PlayStation® 3 , Nintendo® Wii and Microsoft® Xbox®, Xbox 360®
o Music players, like Sonos and Squeezebox™
o TiVo® DVRs
o Skifta™ clients
* Apple® iTunes® server

• Network Security
* Encrypted network logins
* Secure Sockets Layer (SSL)

• Power-Saving Features
* Disk spin-down mode
* Power On/Off Scheduler
* Wake-on-LAN

• 5 years warranty