Specifications

4 Barracuda 7200.7 Product Manual, Rev. N
Width (mm max) 101.6 mm (4.000 inches)
Length (mm max) 146.99 mm (5.787 inches)
Weight (typical) 635 grams (1.4 lb.)
Average latency (msec) 4.16
Power-on to ready
(sec max)
10 sec
Standby to ready
(sec max)
10 sec
Startup current (typical) 12V (peak) 2.8 amps
Track-to-track seek time
(msec typical)
<1.0 (read), <1.2 (write)
Average seek, read
(msec typical)
8.5
Average seek, write
(msec typical)
9.5
Seek power (typical) 12.5 watts
Read/write power (typical) 12.0 watts
Idle mode (typical) 7.5 watts
Standby mode 0.9 watts
(typical)
Sleep mode 0.9 watts
(typical)
Voltage tolerance
(including noise)
5V ± 5%
12V ± 10%
Ambient
temperature
5° to 55°C (op)
–40° to 70°C (nonop)
0° to 60°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
30°C (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature
(°C max)
33 (operating)
40 (nonoperating)
Altitude,
operating
–60.96 m to 3,048 m
(–200 ft. to 10,000+ ft.)
Altitude, nonoperating
(below mean sea level, max)
–60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
Shock, operating
(Gs max at 2 msec)
63
Shock, nonoperating
(Gs max at 2 msec)
350 Gs
Vibration, operating 5–22 Hz: Limited displacement
23–350 Hz: 0.5 G acceleration
Vibration, nonoperating 5–22 Hz: Limited displacement
23–350 Hz: 5.0 Gs
Drive acoustics,
sound power (bels)
Idle** <2.5 (typical)
2.7 (max)
<2.2 (typ)
2.6 (max)
Performance seek 3.4 (typical)
3.7 (max)
3.1 (typ)
3.5 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Drive specification
ST3200822A
ST3200021A
ST3160023A
ST3160021A
ST3120026A
ST3120022A
ST380013A
ST380011A ST340014A