Seagate Barracuda ST3808110AS Product Manual page 22

Drive specifications summary
Table 6:
Drive specification
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density, KBPI (kbits/in max)
Track density, KTPI (ktracks/in avg.)
2
Areal density, (Gbits/in avg)
Spindle speed (RPM)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate OD (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
ATA data-transfer modes supported
Cache buffer
Height (mm max)
Width (mm max)
Length (mm max)
Weight (max)
Average latency (msec)
Power-on to ready (sec max)
Standby to ready (sec max)
Track-to-track seek time (msec typical)
Average seek, read (msec typical)
Average seek, write (msec typical)
Startup current (typical) 12V (peak)
Voltage tolerance (including noise)
Ambient temperature
Temperature gradient (°C per hour max)
Relative humidity
Relative humidity gradient
Wet bulb temperature (°C max)
Altitude, operating
Altitude, nonoperating
(below mean sea level, max)
Operational Shock (Gs max at 2 msec)
Non-Operational Shock (Gs max at 2 msec)
14
for 120 Gbyte models
ST3120813AS
120
234,441,648
512
63
16
16,383
840.0
141.5
119.0
7,200
867.2
83
300
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
8 Mbytes
26.1 mm (1.028 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
580 grams (1.28 lb.)
4.16
<10.0 sec
<10.0 sec
<0.8 (read), <1.0 (write)
<8.0 (ST3120813AS & ST3120213AS models)
<9.9 ( & models)
<9.0 (ST3120813AS & ST3120213AS models)
<10.9 ( & models)
2.6 amps
5V ± 5%
12V ± 10%
0° to 60°C (operating)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7 (operating)
40.0 (nonoperating)
–60.96 m to 3,048 m
(–200 ft. to 10,000+ ft.)
–60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
63
350 Gs
Barracuda 7200.9 Serial ATA Product Manual, Rev. D
ST3120213AS
2 Mbytes