Western Digital 4TB My Book Studio Edition II Hard Drive with Quad Interface { WDH2Q40000N }

Quad interface, RAID-enabled, about 30% less power consumption, formatted for Mac. The My Book Studio Edition II treads lightly on the earth and carries big performance for creative professionals.

Fast, Green and Mac Ready

Features:

• The speed you need
  Lightning-fast FireWire 800 combined with RAID 0 (Striped) yields the speed you need for smooth video editing, rendering complex 3D objects or special effects and saving huge blocks of data in record time.
• Cooler, quieter, eco friendlier
  Designed to use only WD's GreenPower drives, this system uses about 30% less energy than standard systems and runs quietly because it doesn't need a fan.
  ( Based on comparison between a 1 TB dual-drive system using 7200 RPM drives and a 1 TB dual-drive system using WD's GreenPower drives.)
• Formatted for Mac
  Works with Apple's Time Machine. Includes software and instructions for reformatting to Windows Vista. (The 4TB Version works with Windows Vista only. Windows XP does not support hard drives capacities above 2TB.
• Quad interface
  Power your creativity with connections for ultra-fast eSATA and FireWire 800. For flexibility and convenience, FireWire 400 and USB 2.0 are also included.
• User serviceable
  Want to upgrade a drive? Simply open the case and replace the existing drive ? no screwdriver needed.
• Automatic backup software
  Back up important projects to multiple destinations including file servers, portable drives and My Book. Set it and forget it; every time you save a change it's automatically backed up.
• Capacity gauge
  See at a glance how much space is available on your storage system.
• Intelligent drive management features 
  Automatic power-up, Safe Shutdown, and LED status and activity lights make this storage system especially easy to use. (Works with USB and FireWire connections only.)
• 5-year limited warranty

Ideal for:

• Smooth video editing, rendering complex 3D objects or special effects and saving huge blocks of data in record time.
• System Requirements
• Available USB port, FireWire 800 or 400 port, eSATA port or eSATA adapter card
• Mac OS X 10.4.10+, 10.5.2+
• Windows Vista (Not Compatable with XP)

Specifications:

Serial Transfer Rate: FireWire 800
Serial Bus Transfer Rate: (1394b) 800 Mbits/s (Max)
eSATA: Serial Bus Transfer Rate (eSATA) 3 Gb/s (Max)
FireWire 400: Serial Bus Transfer Rate (1394a) 400 Mbits/s (Max)
USB 2.0: Serial Bus Transfer Rate (USB 2.0) 480 Mbits/s (Max)
Capacity: 4 TB
Interface: Quad Interface

Physical Dimensions

• Height 6.54" (Max)
• Length 6.06" (Max)
• Width 3.87" (Max)
• Weight 5.2LBs

Temperature (English): 

• Operating 41? F to 95? F
• Non-operating -4? F to 149? F

Temperature (Metric)

• Operating 5? C to 35? C
• Non-operating -20? C to 65? C

Electrical Specifications

• Power Dissipation
• AC Input Voltage 100-240 VAC
• AC Input Frequency 47-63 Hz