Recording And Interface Technology; Physical Characteristics - Seagate ST31000340NS Product Manual

2.4

Recording and interface technology

Interface
Recording method
Recording density, KBPI (kbits/inch max)
Track density, KTPI (ktracks/inch avg)
2
Areal density (Gbits/inch
Spindle speed (RPM) (± 0.2%)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
2.5

Physical characteristics

Maximum height
Maximum width
Maximum length
Max weight
ST31000340NS
ST3750330NS
ST3500320NS
ST3250310NS
Cache buffer
Barracuda ES.2 Serial ATA Product Manual, Rev. A
avg)
1000GB 750GB
Serial ATA (SATA)
Perpendicular
1,090
150
164
7,200
1287
105
300 (Ultra DMA mode 5)
26.1 mm (1.028 inches)
101.6 mm (4.000 +/- 0.010 inches)
146.99 mm (5.787 inches)
665 grams (1.466 lbs)
630 grams (1.389 lbs)
530 grams (1.168 lbs)
495 grams (1.091 lbs)
32 Mbytes (16,384 kbytes)
500GB 250GB
9