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Drive specifications for 300, 250, and 200 Gbyte models
Table 2:
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 max)
2
Areal density, (Gbits/in
max)
Spindle speed (RPM)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate (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 (typical)
Average latency (msec)
Power-on to ready (sec max)
Standby to ready (sec max)
Track-to-track seek time (msec typical)
Average seek (msec typical)
Startup current (typical) 12V (peak)
Seek power (typical)
Operating (Consumer Storage Profile)
Operating (PVR Storage Profile
Idle mode (typical)
Standby mode (typical)
Sleep mode (typical)
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)
6
ST3300822ACE
ST3250824ACE
300
250
586,072,368
488,397,168
512
63
16
16,383
790.1
124.5
97.69
7,200
867.2
76.6
100
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
8 Mbytes
26.1 mm (1.028 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
655 grams (1.44 lb.)
580 grams (1.28 lb.)
4.16
16 sec
16 sec
<0.8 (read), <1.0 (write)
18 (read), 20 (write)
2.0 amps
12.40 watts
9.25 watts
4.88 watts
8.00 watts
0.80 watts
0.80 watts
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 (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.)
DB35 Series 7200.2 Product Manual, Rev. D
ST3200827ACE
200
390,721,968
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