Western Digital’s Advanced Format: The 4K Sector Transition Begins at The Hacker News Network

Western Digital’s Advanced Format: The 4K Sector Transition Begins

Data Hiding and Forensics Tool Writers TAKE NOTE:

…Advanced Format. What is it? In a nutshell, it’s replacing the traditional 512 byte hard drive sector with a 4 kilobyte (4,096B) hard drive sector for a number of practical and technological reasons. Advanced Format is the name Western Digital is giving to drives implementing 4KB sectors.

The move to 4K-sectors has been some 10 years in the making, as research in the late 90’s identified that 512B sectors made less and less sense as drives continued to get larger. At a time when hard drives were measured in megabytes, 512B sectors were a good balance between technical factors and a desire to keep wasted space at a minimum (you can’t normally put 2 files in 1 sector), but times have changed and hard drive capacities are several orders of magnitude larger.

via AnandTech: Western Digital’s Advanced Format: The 4K Sector Transition Begins.

Posted: January 5th, 2010
at 3:24am by tan

Tagged with forensics, harddisk

Categories: Breaking News

Comments: No comments

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