NETGEAR RNDU4220 specs

Concurrent use - <10 Streams

Processor - 1.6 GHz Intel Atom single-core

Memory - 1 GB DDR 2 SODIMM

Ports - 3x USB 2.0 ports (1x front, 2x back)

Number of bays - 4

Maximum Capacity - 8 TB

Configuration - 4 TB

Disk management - RAID 0, 1, 5

Dimensions (WxHxD) - 134 x 205 x 223 mm (5.28x8.07x8.78")

Physical weight - 4.7 kg (10.35 lb)

Power consumption - 48W (with 4 x 2 TB)

Power supply - Internal 120W

Warranty Term - 36 months

Hardware

Internal Hard Drives
Hot-swappable
Supports 3.5” SATA drives
Network
Dual Gigabit RJ-45 Ethernet
Power Supply
AC Input 100-240V, 50/60Hz
Operating Temperature
0°-40°C (32° - 104° F)
Operating Humidity
20-80% Humidity (non-condensing)

Software

Supported Web Browsers
Microsoft® Internet Explorer® 7.0+, Apple® Safari® 2.0+, Mozilla Firefox® 2.0+, Opera 9.5+
Media Applications
DLNA® 1.5 Certified
Supports Skifta™ media shifitng
Supports Orb™ transcoding
Compatible with TiVo® DVRs
Compatible with NETGEAR® Digital Entertainers
Compatible with Network DVD/Blu-ray players
Compatible with Game consoles (PlayStation® 3, Wii® and Xbox® and Xbox 360®)
File Server (File Sharing)
Protocols: CIFs/SMB for Windows®, AFP for Mac OS®, NFS for Linux® and UNIX®, HTTP/S, FTP/S
ReadyNAS Remote, ReadyNAS Remote iPhone App, ReadyNAS Photo
Backup Server
ReadyNAS® Vault Online Backup (2 GB free for 2 years)
Memeo® Premium Backup (3 licenses included)
Apple® Time Machine® Support
Single Touch USB backup button
Rsync server & client
External USB storage devices
Network Security
Encrypted network logins
Secure Socekts Layer (SSL)
HTTPS connection
FTPS connection
Email alerts
Disk Management
X-RAID2™ automatic volume expansion
Journaling mode
Disk monitoring/scrubbing
Device health status
iSCSI Support
iSCSI target
Power Management
Wake on LAN
Power on/off scheduler
Disk spin-down mode
Automatic power on after power outage
Uninterruptible power supply (UPS) Support
Access Rights Management
User quota
Group quota
Administration
RAIDar™ discovery and monitoring agent
Frontview™ Smart Wizard
Email alerts and events logs
Configurable performance options
Language Support
Firmware user interface (RAIDiator): English, German, French, Swedish, Dutch, Italian, Spanish, Russian, Polish, Simplified Chinese, Japanese, Korean