Seagate Barracuda ST3160811AS Product Manual page 16

Drive specifications summary
Table 3:
Drive specification
Formatted Gbytes (512 bytes/sector)*
Heads
Discs
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 (max)
Width (max)
Length (max)
Weight (max)
Average latency (msec)
Power-on to ready (sec max)
Standby to ready (sec max)
Track-to-track seek time (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)
Vibration, operating
8
for 80 and 40 Gbyte models
ST380811AS ST380211AS
80
1
1
156,301,488
512
63
16
16,383
756.09
141.95
103.8
7,200
867.2
80
300
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
8 Mbytes 2 Mbytes
19.9 mm (0.787 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
365 grams (0.805 lb.)
4.16
<10.0 sec
<10.0 sec
<0.8 (read), <1.0 (write)
2.8 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
5–22 Hz: 0.25 Gs, Limited displacement
22–350 Hz: 0.5 Gs
350–500 Hz:: 0.25 Gs
Barracuda 7200.9 Serial ATA Product Manual, Rev. A
ST340211AS
40
78,165,360