Newegg Price History

2008-12-24	$79.99	-5.00
2008-10-27	$84.99	+5.00
2008-10-25	$79.99	-5.00
2008-10-25	$84.99	+5.00
2008-10-25	$79.99	-5.00
2008-10-21	$84.99

Manufacturer's Specs

General
Interface	SATA 3 Gb/s
Formatted Capacity	640,135 MB
User Sectors Per Drive	1,250,263,728
Capacity	640 GB
Performance
Buffer To Host (Serial ATA)	3 Gb/s (Max)
Power
Standby	1.00 Watts
Read/Write	8.3 Watts
Sleep	1.00 Watts
Idle	7.7 Watts
Acoustics
Seek Mode 0	29 dBA (average)
Idle Mode	25 dBA (average)
Seek Mode 3	26 dBA (average)

External links

Western Digital	http://www.wdc.com
WD6401AALS	http://www.wdc.com/en/produ...
	Western Digital Caviar Black WD6401AALS (640.00 gb)

Related Family Reviews

• 1TB Evolves: New Drives, More Speed : Hitachi, WD: 1-TB Drives Revised Tom's Hardware - 2008-09-12
• Western Digital's Caviar Black hard drive: After you've had Caviar, will you ever go back? The Tech Report - 2008-08-28

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