WDs My Book Studio Edition II dual-drive external storage system for Mac offers performance for creative professionals. WD's My Book Studio Edition� II dual-drive, quad-interface external storage system for Mac offers optimum performance for creative professionals. Lightning-fast FireWire 800 or eSATA interfaces combined with RAID 0 (striping) yields the speed you need for fast, smooth video and audio editing, rendering complex 3D objects or special effects, and saving huge blocks of data in record time. Set the system to RAID 1 (mirroring) for the peace of mind in knowing that if one drive in this two-drive system ever fails, the system continues to run and your data is safe. Includes automatic data backup software, user- serviceability, a 5-year limited warranty, and works with... Less

Mfr Part Number: HDD3A01 9.5MM Capacity: 2 TB Rotational Speed: 7200 rpm Buffer: 16 MB Interface: SAS 6.0 Gb/s Average Latency: 4.17 ms Seek Time: Average Seek Time: 9.5 ms Track to Track: 1 ms Shock: Operating: 70G @ 2ms Non-operating: 300G @ 2ms Power Requirements: Voltage: 5V (+/- 5%); 12V (+/- 5%) Idle (Watts): 7 W Spin up (Start): 12V 2.4A Dimensions (WxDxH): 101.6 x 147.0 x 26.1 mm Weight: 800.0 g

The Ultrastar 7K4000 is an enterprise class drive that offers the industry's highest hard drive capacity at an enormous two terabytes of storage with 7200 RPM performance in a standard 3.5-Inch form factor. This drive uses Advanced Format, which increases the sector size on HDDs from 512 bytes to 4096 (4K) bytes, thereby increasing capacities and improving error correcting capabilities. Consult the Hitachi Advanced Format Technology Brief for more information. The Ultrastar 7K4000 delivers an extraordinary blend of capacity, performance and power efficiency. This model will ship with 64 MB cache buffer and 6 Gb/s SATA interface, making it an ideal storage platform for enterprise computing. Leveraging eighth- generation power management technology, including power-saving innovations like... Less