Physical Organization; Recording And Interface Technology; Physical Characteristics - Seagate ST3160023AS - Barracuda 160 GB Hard Drive Product Manual

2.4

Physical organization

Drive model
ST3200822AS, ST3160827AS, ST3160023AS and ST3160021AS
ST3120827AS, ST3120026AS and ST3120022AS
ST380817AS, ST380013AS and ST380011AS
ST340111AS and ST340014AS
2.5

Recording and interface technology

Interface
Recording method
Recording density BPI (bits/inch max)
Track density TPI (tracks/inch max)
2
Areal density (Gbits/inch
Spindle speed (RPM) (± 0.2%)
Maximum Internal transfer rate (Mbytes/sec)
Sustained transfer rate OD (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
Interleave
Cache buffer
ST3200822AS, ST3160827AS, ST3160023AS, ST3120827AS,
ST3120026AS, ST380817AS, ST380013AS and ST340111AS
ST3160021AS, ST3120022AS, ST380011AS, and ST340014AS
2.5.1

Physical characteristics

Drive specification
Maximum height
(mm)
(inches)
Maximum width
(mm)
(inches)
Maximum length
(mm)
(inches)
Typical weight
(grams)
(pounds)
6
max)
26.035
1.028
101.6
4.00
146.99
5.787
635
1.4
Read/write heads
4
3
2
1
Serial ATA (SATA)
16/17 EPRML
595,000 (671,500 on ST3200822AS model)
94,600 (98,000 on ST3200822AS model)
56.3 (68.5 on ST3200822AS model)
7,200
85.4
58
150 (SATA 1.0)
1:1
8 Mbytes
2 Mbytes
Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Number of discs
2
2
1
1