How correct model in Inquiry on Seagate ST3450857FC - S5FG45 ?

g:\!Distr\HDD FirmWare\sgparm>sdparm_64 -i --page=-1 -H PD2
standard INQUIRY:
00 00 00 05 12 9f 00 70 02 49 42 4d 2d 53 53 47 20 ......p.IBM-SSG
10 53 35 46 47 34 35 30 20 20 20 20 20 20 20 20 20 S5FG450
20 41 35 30 43 A50C

must be ST3450857FC, but it is S5FG45. may be any SCSI command? or other plan?