Seagate ST3250623A Barracuda 7200.8 PATA Product Manual - Page 16
Formatted capacity, Default logical geometry, Recording and interface technology - st3250823as drive
UPC - 763649002001
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2.2 Formatted capacity Model ST3400832A ST3400632A ST3300831A ST3300631A ST3250823A ST3250623A ST3200826A Formatted capacity 400 Gbytes 400 Gbytes 300 Gbytes 300 Gbytes 250 Gbytes 250 Gbytes 200 Gbytes Guaranteed sectors 781,422,768 781,422,768 586,072,368 586,072,368 488,397,168 488,397,168 390,721,968 Bytes per sector 512 512 512 512 512 512 512 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 4.1.2, "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 2.4 Recording and interface technology Interface Recording method Recording density BPI (bits/inch max) Track density TPI (tracks/inch avg) Areal density (Mbits/inch2 avg) Spindle speed (RPM) (± 0.2%) Internal data-transfer rate (Mbytes/sec max) Sustained data transfer rate OD (Mbytes/sec max) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer ST3400832A, ST3300831A, ST3250823A and ST3200826A ST3400632A, ST3300631A, and ST3250623A ATA 16/17 EPRML 728,000 120,000 91,560 7,200 95 65.0 100 (Ultra DMA mode 5) 1:1 8 Mbytes (8,192 kbytes) 16 Mbytes (16,384 kbytes) 10 Barracuda 7200.8 PATA Product Manual, Rev. F