Manufacturer Buffalo Technology Buffalo Technology
Model HD-QL12TU3R5 WS-Q2.0TL/R5
Lowest Price $1,089.99 Compare Buffalo Technology HD-QL12TU3R5 prices $372.79 Compare Buffalo Technology WS-Q2.0TL/R5 prices
Warranty 3 years limited 3 years limited


RJ45 Ports 1 x 10/100/1000M 1 x 10/100/1000M
USB Ports 1 x USB3.0 2 x USB2.0
eSATA Ports No No
Other Ports HDMI, Composite Video, Optical Audio


Drive Bays 4 4
Hard Disk Interface 4 x SATA 4 x SATA
Hard Disk Size 4 x 3TB 2TB
Rotational Speed 7200RPM 7200RPM


SuperSpeed USB 3.0: Provides accelerated ¬file access and interface speeds, up to 5 Gbps

Four Easily Accessible Hard Drives: Includes two hard drives for easy maintenance with the choice of optimal capacity, performance or redundancy

Connect & Go: Preformatted hard drive is ready to use out of the box - no formatting or driver installation required

Works with PC (NTFS and HFS+ support) and Mac: Connect to your computer for additional storage or backup of your music, photo, video and data files

Buff¬alo Tools: Use Buff alo Tools to enhance PC and transfer performance and to back up your important digital assets

TurboPC Utility: Enhance the overall performance of your PC and increase file transfer rates

NovaBACKUP Business Essentials: Includes an easy to use, complete backup solution for your Windows and Windows Server PC - also includes a backup agent for MS SQL and Exchange

Time Machine Compatibility: Works perfectly with Time Machine to back up your Mac computer
Simple Install and Management

Microsoft Windows Storage Server 2003 Express Edition R2

Front loading quick swap hard drives with lockable front panel

Seamless Active Directory Support

NTFS Formatted data partitions with full NTFS security

Easy access through Windows Remote Desktop or Terminal Services

RAID Support

Advanced RAID system continually checks hard drive and RAID performance

High Performance

High-speed CPU

Heavy-duty power supply ensures reliable operation

Large silent fan cools hard drive efficiently

Advanced ventilation design reduces internal heat

LCD shows important TeraStation information and disk status

Powered by Windows Storage Server

Two USB 2.0 ports (UPS and Backup Support)

Form Factor

Dimensions 9.2" x 6.1" x 5.9" 6.7" x 8.5" x 9.1"
Weight 12.5 lbs. lbs 13.8 lbs. lbs
Form Factor Desktop Portable


Data Link Protocol Ethernet
Network Interface Controller
DLNA Certified No No


Standards IEEE 802.3ab IEEE 802.3, IEEE 802.3u, 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)
Networking: TCP/IP
File Sharing: CIFS/SMB
Directory Integration: LDAP, Active Directory
Management: Remote Desktop or Terminal Services
Time Synchronization: NTP
Processor Intel Atom D510 1.66 GHz Intel Atom D525 Processor
Memory 1 GB DDR2 RAM, 128MB flash (DOM) 1GB
RAID RAID 0, 1, 5 and 10 RAID 0, 1, 5
LEDs Power / status LEDs LCD display Power: (Blue)
HDD1-2 Activity/Fail(Blink white/Red)
WAN (Link : Solid white; Activity : Blink white)
LAN (Link : Solid white; Activity : Blin
Power 100-240 VAC 50/60Hz Internal, AC 100-240V 50/60 Hz
Temperature 32° to 104° F (0° to 40° C) (O 5°C - 35 °C
Humidity 0% to 95% (Operating) 20-80% Humidity (non-condensing)


Operating System Client OS Support: Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows 2000, Windows Server 2008 (32-bit/64-bit), Windows Server 2008 R2 (64-bit), Windows Server 2003 (32-bit), Windows Server 2003 R2 (32-bit), Mac OS X 10.4 or later Setup Utility OS Support: Windows Operating Systems
Client OS Support: Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows 2000, Windows XPMCE 2005/2004,Windows Server 2003/2008, Mac OS X 10.3.9 or later
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
Download Manager (Module)
- HTTP / FTP / BT / eMule / NZB

Power management
- Schedule power on/off: Supported

Volume management
- Multiple file system selectable: EXT3 / EXT4 / XFS / ZFS

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