Seagate ST9500621SS Constellation.2 SATA Product Manual - Page 13

Drive specification Drive acoustics, sound power (bels) Active Idle** Nonrecoverable read errors Annualized Failure Rate (AFR) Warranty Load/Unload cycles Supports Hotplug operation per Serial ATA Revision 2.6 specification ST91000640NS ST91000641NS ST91000642NS ST9500620NS ST9500621NS ST9500622NS ST9250610NS ST9250611NS ST9250612NS 2.8 (typical) 2.2 (typical) 1 sector per 1015 bits read 0.62% To determine the warranty for a specific drive, use a web browser to access the following web page: http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance From this page, click on the "Verify Your Warranty" link. You will be asked to provide the drive serial number, model number (or part number) and country of purchase. The system will display the warranty information for your drive. 300,000 (25°C, 50% rel. humidity) (600,000 design life testing) Yes *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. **During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. 3.2 Formatted capacity Model ST91000640NS ST91000641NS ST91000642NS ST9500620NS ST9500621NS ST9500622NS ST9250610NS ST9250611NS ST9250612NS Formatted capacity* 1000 GB 500 GB 250 GB Guaranteed sectors 1,953,525,168 976,773,168 488,397,168 Bytes per sector 512 *One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 3.2.1 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 7.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48bit addressing support of drives with capacities over 137 Gbytes. 3.3 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. Constellation.2 Serial ATA Product Manual, Rev. F 7