Manufacturer Sonnet Technologies Tandberg Data
Model FUS-D4QR5-4TB 4342-DPS
Lowest Price $332.05 Compare Sonnet Technologies FUS-D4QR5-4TB prices $3,199.99 Compare Tandberg Data 4342-DPS prices
Warranty 5 years warranty 1 year limited


RJ45 Ports 2 x Gigabit RJ-45 Ethernet Port
USB Ports 3 x USB 2.0 (Front: 1; Back: 2)
eSATA Ports Yes No
Other Ports HDMI, Composite Video, Optical Audio


Drive Bays 4 4
Hard Disk Interface 4 x SATA
Hard Disk Size 4 x 1TB 8TB (4 x 2TB)
Rotational Speed 7200RPM


  • High Performance, Protected Data-When connected via eSATA and with four 1TB drives configured as a RAID 5 set, data transfers up to 225 MB/sec read, 177 MB/sec write while protecting the data
  • RAID 5 Onboard-Integrated hardware RAID controller supports RAID 5 drive configuration on its own; no need for a specialized RAID controller card
  • Four Interfaces, Single Cable Connection-Choose from eSATA, FireWire 800, FireWire 400, and USB 2.0 interfaces, and connect to your computer with a single cable
  • Informative Display and LED Indicators-Determine operating status at a glance
  • Simple Configuration-Integrated controls enable you to select RAID modes and configure the drives to meet your performance and data security needs, no matter which interface you choose
  • 4TB, 8TB, and 12TB configurations
  • Quiet Fans-Low fan noise levels make these Fusion storage systems suitable for use in noise-sensitive environments
  • eSATA, FireWire 800, FireWire 400 and USB cables included
Flexible, business-grade Network Attached Storage (NAS) that protects and consolidates data economically and reliably in a compact 1U rackmount storage system

Integrates seamlessly into existing environments, delivering high performance and 8TB of expandable storage

Tandberg Data AccuGuard software for backup and recovery including powerful source-based data-deduplication

Simple installation, easy-to-use Web browser and user-friendly interface, including active directory integration

Provides secure offsite data protection and disaster recovery with its robust remote replication capabilities

Reduces storage management issues, by creating iSCSI target volumes in the GUI for dedicated storage

HDD Tray: 4 x hot-swappable and lockable tray

Fan: 4 x cooling fan (4 cm, 12V DC; Internal: 3, External: 1)

File System: EXT3 (Internal/external HDD), FAT (External HDD), NTFS (External HDD)

Multilingual Support: English, Chinese, Japanese, Korean, French, German, Italian, Spanish, Russian, Swedish, Norwegian, Finnish, Danish, Polish

Form Factor

Dimensions 15" x 10" x 19" 1.73" x 16.97" x 19.65"
Weight 24 lbs 16.76 lbs. lbs
Form Factor 1U Rack-mountable


Data Link Protocol Gigabit Ethernet
Network Interface Controller
DLNA Certified No No


Standards IEEE 802.3ab
Supported Protocols Networking: TCP/IP DHCP Client, DHCP Server, CIFS/SMB, AFP, NFS HTTP, HTTPS, FTP, DDNS, NTP Failover, Load Balancing, Multi-IP seting, Gigabit Jumbo Frame

File System: EXT3 (Internal/external HDD), FAT (External HDD), NTFS (External HDD)
Processor Intel Atom D510 1.66 GHz
Memory 1 GB DDR2 RAM, 128MB flash (DOM)
RAID RAID 0, 1, 5, 5+Hot Spare, 6, JBOD
LEDs Power / status LEDs LCD display
Power ATX 150W x 2, Input: 100-240 VA=ac -, 50-60Hz, 2A
Temperature 32° to 104° F (0° to 40° C) (O
Humidity 0% to 95% (Operating)


Operating System Microsoft Windows 98 / ME / NT2000 / XP / 2003 / Vista / 2008, Mac OS X, Linux & Unix
Management Disk Management:
Multiple RAID, Online RAID Capacity Expansion, Onine RAID Level Migration, Disk usage status management Check disk (Check Linux file system), HDD S.M.A.R.T., Bad blocks scan, AES 256-bit volume-based encryption, Built-in iSCSI target service

Access Right Management:
Max user accounts: 4096, Max groups: 512, Max share folders 512

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