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General

Manufacturer Drobo iomega
Model DRDR4A21 34779
Lowest Price $609.99 Compare Drobo DRDR4A21 prices $83.99 Compare iomega 34779 prices
Warranty 2 years limited 1 year limited

Ports

RJ45 Ports 1 x 10/100/1000M 1 x 10/100/1000M
USB Ports 1 x USB 2.0 (type A) 4 x USB2.0
eSATA Ports Yes No
Other Ports 1 VGA (recovery only) 1 VGA (recovery only)

Storage

Drive Bays 2 5
Hard Disk Interface 2 x SATA 5 x SATA
Hard Disk Size 4TB Diskless System
Rotational Speed 7200RPM 7200RPM

Features

World\'s Most Expandable USB 3.0 Array

BeyondRAID Technology

Protection from Two Drive Failures

Self-Healing Technology

Storage Capacity: 10TB Maximum

Drives: Accommodates from one to five 3.5" SATA I / SATA II hard drives of any manufacturer, capacity, spindle speed, and/or cache. No carriers or tools required.

Power:
Idle system (standby, drives off) = 12 watts
Typical busy system (four drives) = 56 watts

File System Options
Windows: NTFS
Mac OS X: HFS+
Cross-Platform: FAT32
Linux: EXT3

Operating System Support:
Windows 2008 Server
Windows 2003 Server
Windows XP
Windows Vista
Windows 7
Mac OS 10.5 or higher
Linux* using EXT3

*Linux support currently in Beta
Easy file sharing, data backup and print serving from any networked Windows PC, Mac or Linux workstation.
Gigabit Ethernet and Wireless connectivity.
Remote Access
Replication / Device to Device Copy Jobs
Simple Expandability: add storage capacity simply by connecting more or larger external USB hard disk drives.
Print Server: Intelligent print sharing capability for up to 2 USB printers.
Time Machine Support
UPnP DLNA Certified AV Media Server
Torrent Download Manager
Total Data Protection:
- Native security support with robust username and password authorized access.
- RSA BSAFE technology protects installs and upgrades.
- Data Protection Software: Iomega’s full suite of data protection software is available for download. The suite includes; Trend Micro Internet Security, Iomega QuikProtect, EMC Retrospect Express Backup software, and MozyHome Online Backup service.

Form Factor

Dimensions 10.3" x 7.3" x 5.9" 6.3" x 1.1" x 5.2"
Weight 5.8 lbs. lbs 0.6 lbs. lbs
Form Factor 3.5" Desktop

Networking

Data Link Protocol
Network Interface Controller
DLNA Certified No Yes

Hardware

Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab IEEE 802.3, IEEE 802.3u
Supported Protocols File Server: SMB, AFP, FTP, HTTP, HTTPS
Others: Apple Bonjour, BitTorrent, NTP, DHCP, Apipa
CIFS/SMB/Rally (Microsoft), AFP/Bonjour (Apple), HTTP, HTTPS
Processor Intel Atom D510 1.66GHz (Dual Core) Marvell 6281 CPU at 1.0GHz
Memory RAM: 1GB DDR II
Flash: 512MB
256MB RAM
RAID RAID 0, 1 Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 5+Spare, RAID 6, RAID 10
LEDs Status, LAN, USB, eSATA, HDD Status, LAN, USB, eSATA, HDD
Power AC Input 100-240V, 50-60Hz, Energy Star V Rated AC Voltage 100-240 VAC
Power consumption: 5 Watts
Temperature 0°C - 40 °C 5°C - 35 °C
Humidity 0-95% RH (non-condensing) 5-95% R.H

Software

Operating System Latest version of Windows XP, Windows Vista, Windows Vista 64-bit, Windows 7 / Mac OS X 10.4, 10.5, 10.6 / Linux 2.6 Supported Clients
- Windows 2000 onward
- Mac OS X 10.3 onward
- Ubuntu 9.04 onward

Supported Mobile Devices (Photo Station, File Station)
- iPhone OS 2.2.1 onward
- Android OS 1.5 onward
- Windows Mobile (IE Mobile or Opera 9.0 onward)
- Symbian OS 9.1, S60 3rd Edition onward
Management Internet Explorer v6 or other Java-enabled Browsers
5 Different Hard Drive Configurations
Scandisk
E-mail Alerts
Drive Quotas
Power Management
Volume Management
- Synology Hybrid RAID
- Max iSCSI Target:32
- Max iSCSI LUN:256
- Volume Type: Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 5+Spare, RAID 6, RAID 10
- RAID Migration: from 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
- Expand RAID 1, RAID 5, RAID 5+Spare or RAID 6 with Larger Hard Drives
- Expand RAID 5, RAID 5+Spare or RAID 6 by Adding a Hard Drive On The Fly
- Synology DX510 Support

File Sharing Capability
- Max User Account: 2048
- Max Group: 256
- Max Shared Folder: 256
- Max Concurrent Connections (CIFS, FTP, AFP): 512

Windows Access Control List (ACL) Support

Windows ADS Domain Integration
- Domain Users login via CIFS/AFP/FTP/File Station

Backup Solutions
- Network Backup
- Local Backup
- Time Backup
- Desktop Backup (using Synology Data Replicator 3 or Apple Time Machine backup application)
- 3rd-Party Backup Support

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

Management
- DSM Upgrade
- Email Notification
- SMS Notification
- Customized User Quota
- DDNS Support
- PPPoE
- Resource Monitor
- UPS Management
- Multiple 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 Download Redirector
- Synology Data Replicator

Supported Browsers
- Chrome 5
- Internet Explorer 7 and 8
- Firefox 3.5 and 3.6
- Safari 4 and 5 (Mac)

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