
Seagate Exos 7E10 Serial ATA Product Manual, Rev. B 9
2.2Formatted capacity
* One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.
Note. LBA Counts for drive capacities greater than 8TB are calculated based upon the
SFF-8447 standard publication. ftp://ftp.seagate.com/sff/SFF-8447.PDF
2.2.1 Fast Format - logical sector size conversion
n Drive supports either 512E or 4KN logical sector size formats
n SET SECTOR CONFIGURATION EXT (B2h) command (ACS-4 Standard) quickly converts between 512 and 4096 byte logical sector
size formats
n The selected sector size change occurs immediately upon command completion
n Default shipping format is 512E
n COMMAND CHECK field value is taken from the DESCRIPTOR CHECK field in the descriptor specified by the SECTOR
CONFIGURATION DESCRIPTOR INDEX field
n SECTOR CONFIGURATION DESCRIPTOR INDEX field specifies the Sector Configuration descriptor in the Set Sector
Configuration log page
ST models Formatted
capacity*
Guaranteed
sectors
Bytes per
logical sector
Guaranteed
sectors
Bytes per
logical sector
ST10000NM002B, ST10000NM006B,
ST10000NM014B, ST10000NM017B,
ST10000NM019B, ST10000NM021B,
ST10000NM023B, ST10000NM025B
10TB 19,532,873,728
512
2,441,609,216
4096
(see Section 2.2.1)
ST8000NM002B, ST8000NM006B,ST8000NM014B,
ST8000NM017B, ST8000NM019B,ST8000NM021B,
ST8000NM023B, ST8000NM025B
8TB 15,628,053,168 1,953,506,646
ST6000NM004B, ST6000NM008B,ST6000NM016B,
ST6000NM019B, ST6000NM021B,ST6000NM023B,
ST6000NM025B, ST6000NM027B
6TB 11,721,045,168 1,465,130,646
ST4000NM004B, ST4000NM010B,ST4000NM022B,
ST4000NM024B, ST4000NM028B, ST4000NM030B 4TB 7,814,037,168 976,754,646
ST2000NM004B, ST2000NM010B,ST2000NM014B,
ST2000NM017B, ST2000NM019B 2TB 3,907,029,168 488,378,646
Table 2 SET SECTOR CONFIGURATION EXT command inputs
Field Description
FEATURE COMMAND CHECK field
COUNT Bit Description
15 : 3 Reserved
2:0 SECTOR CONFIGURATION DESCRIPTOR INDEX field
LBA Reserved
DEVICE Bit Description
7 Obsolete
6 N/A
5 Obsolete
4 Transport Dependent
3:0 Reserved
COMMAND 7:0 B2h