Recording And Interface Technology; Physical Characteristics - Seagate DB35.3 Series Serial ATA 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

Drive specification
Maximum height
(mm)
(inches)
Maximum width
(mm)
(inches)
Maximum length
(mm)
(inches)
Typical weight
ST3320820SCE, ST3300820SCE and ST3250820SCE
ST3500830SCE and ST3400820SCE
ST3750640SCE and ST3750840SCE
Cache Size
ST3750640SCE
ST3750840SCE
ST3500830SCE
ST3400820SCE
ST3320820SCE
ST3300820SCE
ST3250820SCE
DB35.3 Series Serial ATA Product Manual, Rev. D
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
1.028
101.6
4.000 +/- 0.010
146.99
5.787
580 grams (1.28 lbs)
635 grams (1.40 lbs)
720 grams (1.59 lbs)
16 Mbytes
8 Mbytes
320GB 300GB 250GB
813
13