Advanced Format
Advanced Format (AF) is any disk sector format used to store data on magnetic disks in hard disk drives (HDDs) that exceeds 528 bytes per sector, frequently 4096, 4112, 4160, or 4224-byte (4 KB) sectors. Larger sectors of an Advanced Format Drive (AFD) enable the integration of stronger error correction algorithms to maintain data integrity at higher storage densities.
Advanced Format 512e logo | |
| Generation-one standard | |
|---|---|
| 4096 (4 KiB) bytes per sector | |
| Generation-one categories | |
| 512 emulation (512e) | 4K physical sectors on the drive media with 512 byte logical configuration |
| 4K native (4Kn) | 4K physical sectors on the drive media and 4K configuration reported to the host |
| 4K-ready host | A host system which works equally well with legacy 512 as well as 512e hard disk drives |
| Year standard completed | |
| March 2010 | |
| Created by | |
| IDEMA Long Data Sector Committee, composed of Dell, Fujitsu (now Toshiba Storage Device Corporation), Hewlett-Packard, Hitachi Global Storage Technologies, IDEMA, LSI Corporation, Maxtor (now Seagate), Microsoft, Phoenix Technologies, Samsung, Seagate Technology, Western Digital | |
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