Manufacturer Sonnet Technologies Buffalo Technology
Model FUS-R4QR5-12TB TS-RX4.0TL/R5
Lowest Price $1,995.00 Compare Sonnet Technologies FUS-R4QR5-12TB prices $500.00 Compare Buffalo Technology TS-RX4.0TL/R5 prices
Warranty 3 years limited


RJ45 Ports 2 x 10/100/1000M
USB Ports 3 x USB2.0
eSATA Ports Yes No
Other Ports 1 x PCIe


Drive Bays 4
Hard Disk Interface 4 x SATA
Hard Disk Size 12TB 4TB
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
AES-128 data encryption
Controlled fans cool hard drives efficiently
Advanced ventilation design reduces internal heat
LCD Display shows important status information
Built-in FTP server
Built-in BitTorrent client
DLNA CERTIFIED built-in media server
Memeo AutoBackup software for PCs and Macs included

Form Factor

Dimensions 24.5" x 25.5" x 7" 16.9" x 1.7" x 16.5"
Weight 38 lbs 19.9 lbs. lbs
Form Factor 1U


Data Link Protocol Ethernet
Network Interface Controller
DLNA Certified No Yes


Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Supported Protocols Networking : TCP/IP
Directory Integration : LDAP
Management : HTTP/HTTPS
Time Synchronization : NTP
Processor Marvell 6281 @ 1.0 GHz
Memory 256MB
RAID RAID 0, 1, 5 , 10 and JBOD
LEDs HDD Power, Activity (Yellow) / Fail (Red)
LAN_WAN Activity (Green) /
USB_COPY_Busy (Blue)
USB_COPY_ Fail (Red)
Power Internal, AC 240V 50/60 Hz
Temperature 41-95°
Humidity 0-80% RH non-condensing


Operating System Setup Utility OS : Support Windows Operating Systems
Client OS Support : Windows Vista, Windows XP, Windows 2000/2003/2008 Server, Linux (SMB), Mac 10.3.9 or later
Management HTTP/HTTPS

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