Warranty: 3 Year Hitachi

Condition: New

Features:

• Dual-Drive Performance storage and backup with Speed Mode (RAID 0) and Copy Mode (RAID 1)
• RAID 0 for performance or RAID 1 for protection
• Stackable design with Pro Drives
• Quad interface for plug and play flexibility: USB 2.0, FireWire 400, FireWire 800, and 3Gb/sec eSATA
• Compact design stacks or stands upright
• Award-winning Fabrik backup software, including 2GB free online backup
• 1.5” Quiet fan for reliable, cool operation
• Security lock slot
• 2 - 2TB Hard Drives
• Friendly, free unlimited technical support
• PC and Mac compatible

Hard Drive Specifications

• Interface: SATA 3Gb/s
• Capacity (TB): 2
• Sector Size (bytes): 512
• Max. Areal Density: 285 Gbits/sq. in.
• Cooling Fan: 1.5" 12V, 0.09A

Performance:

• Data Buffer: 32 MB^2
• Rotational Speed: 7200 RPM
• Media Transfer Rate: 1621 Mbits/s
• Interface Transfer Rate: 300 MB/s

Reliability:

• Error Rate (Non-recoverable, bits read): 1 in 10^14
• Load/Unload Cycles (at 40˚C): 300,000

Acoustics:

• Idle: 2.9 Bels

Power:

• Requirement: +5 VDC (+/- 5%), 12 VDC (+/- 10%)
• Startup Current: 1.2 (+5V), 2.0 (+12V)
• Idle: 7.5W

Physical Size

• z-height: 26.1mm
• Dimensions: 101.6 (+/-0.25) x 146 (width x depth, mm)
• Weight: 740g

Environmental (Operating):

• Ambient Temperature: 5˚ to 60˚ C
• Relative Humidity (non-condensing): 8% to 90%
• Shock: 70G
• Vibration: 0.67 (G RMS 5 to 500 Hz)

Environmental (Non-Operating):

• Ambient Temperature: -40˚to 70˚ C
• Relative Humidity (non-condensing): 5% to 95%
• Shock: 300 (half-sine wave, G (1ms))
• Vibration: 1.04 (G RMS 2 to 200 Hz)

Inputs:

• 1 eSATA
• 1 FireWire 800
• 1 FireWire 400
• 1 USB-B
  

System Requirements:

• Mac: OS 10.4 or higher
• PC: Windows XP 64-bit, Windows Vista, Windows 7

In the box:

• Hitachi Duo Pro Drive 4TB External Hard Drive
• United States AC Adapter Wall Plug
• Three Prong Wall Plug - Type G BS 1363 - 125 6A (UK)
  
• Two Prong Wall Plug - Type I - 125V/250V 6A (Australia)
• USB 2.0 Cable
• FireWire 400 Cable