Seagate ST3000DM001 Barracuda 7200.10 SATA Product Manual - Page 32

2.2 Formatted capacity Model ST3750640AS ST3750840AS ST3500630AS ST3500830AS ST3400620AS ST3400820AS ST3320620AS ST3320820AS ST3300620AS ST3300820AS ST3250620AS ST3250820AS ST3250410AS ST3250310AS ST3200820AS ST3160815AS ST3160310AS ST3160215AS ST3120815AS ST3120215AS ST380815AS ST380215AS ST340815AS ST340215AS Formatted capacity* 750 Gbytes 500 Gbytes 400 Gbytes 320 Gbytes 300 Gbytes 250 Gbytes 200 Gbytes 160 Gbytes 120 Gbytes 80 Gbytes 40 Gbytes Guaranteed sectors 1,465,149,168 976,773,168 781,422,768 625,142,448 586,072,368 488,397,168 390,721,968 312,581,808 234,441,648 156,301,488 78,165,360 Bytes per sector 512 512 512 512 512 512 512 512 512 512 512 *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 2.2.1 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137 Gbytes. 2.3 Default logical geometry Cylinders 16,383 Read/write heads 16 Sectors per track 63 LBA mode When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n-1, where n is the number of guaranteed sectors as defined above. 26 Barracuda 7200.10 Serial ATA Product Manual, Rev. K