Seagate ST31000528AS Barracuda 7200.12 SATA Product Manual - Page 17

Recording and interface technology, Physical characteristics

Page 17 highlights

2.3 Recording and interface technology Interface Recording method Recording density (kbits/inch max) Track density (ktracks/inch avg) Areal density (Gbits/inch2 avg) Spindle speed (RPM) Internal data transfer rate (Mbits/sec max) Sustained data transfer rate (Mbytes/sec max) I/O data-transfer rate (Mbytes/sec max) Serial ATA (SATA) Perpendicular 1413 236 329 7,200 ± 0.2% 1695 125 300 2.4 Physical characteristics Maximum height 1000 and 750GB models 500, 320, 250 and 160GB models Maximum width Maximum length Typical weight 1000 and 750GB models 500, 320, 250 and 160GB models Cache buffer 1000 and 750GB models 500 and 320GB models 250 and 160GB models 26.1mm / 1.028 in 19.98mm / 0.787 in 101.6mm / 4.000 (+ 0.010 in) 146.99mm / 5.787 in 622g / 1.371 lb 415g / 0.915 lb 32MB (32,768kb) 16MB (16,384kb) 8MB (8,192kb) Barracuda 7200.12 Serial ATA Product Manual, Rev. G 11

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Barracuda 7200.12 Serial ATA Product Manual, Rev. G
11
2.3
Recording and interface technology
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density (kbits/inch max)
1413
Track density (ktracks/inch avg)
236
Areal density (Gbits/inch
2
avg)
329
Spindle speed (RPM)
7,200 ± 0.2%
Internal data transfer rate (Mbits/sec max)
1695
Sustained data transfer rate (Mbytes/sec max)
125
I/O data-transfer rate (Mbytes/sec max)
300
2.4
Physical characteristics
Maximum height
1000 and 750GB models
26.1mm / 1.028 in
500, 320, 250 and 160GB models
19.98mm / 0.787 in
Maximum width
101.6mm / 4.000 (+
0.010 in)
Maximum length
146.99mm / 5.787 in
Typical weight
1000 and 750GB models
622g
/ 1.371 lb
500, 320, 250 and 160GB models
415g / 0.915 lb
Cache buffer
1000 and 750GB models
32MB (32,768kb)
500 and 320GB models
16MB (16,384kb)
250 and 160GB models
8MB (8,192kb)