Recording And Interface Technology; Physical Characteristics - Seagate ST3750641NS 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
ST3750641NS and ST3750841NS
ST3500631NS, ST3500831NS, ST3400621NS,
ST3400821NS, ST3320621NS and ST3320821NS
ST3250621NS and ST3250821NS
Cache buffer
ST3750641NS
ST3500631NS
ST3400621NS
ST3320621NS
ST3250621NS
ST3750841NS
ST3500831NS
ST3400821NS
ST3320821NS
ST3250821NS
Barracuda ES+ Serial ATA Product Manual, Rev. B
avg)
750GB 500GB 400GB
Serial ATA (SATA)
Perpendicular
926 813 781
145
128.2 114.4
7,200
1,030
78 72
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)
720 grams (1.59 lbs)
635 grams (1.4 lbs)
580 grams (1.28 lbs)
16 Mbytes (16,384 kbytes)
8 Mbytes (8,192 kbytes)
320GB 250GB
813
15