6
SV35.3 Series Serial ATA Product Manual, Rev. B
Table 2:
Drive specifications summary
for 250 Gbyte models
Drive specification
ST3250310SV
Formatted capacity (512 bytes/sector)*
250 Gbytes
Guaranteed sectors
488,397,168
Heads
2
Discs
1
Bytes per sector
512
Default sectors per track
63
Default read/write heads
16
Default cylinders
16,383
Recording density
1,049 kbits/in max
Track density
155 ktracks/in avg
Areal density
163 Gbits/in
2
avg
Internal data transfer rate
1,212 Mbits/sec max
Sustained data transfer rate OD
106 Mbytes/sec max
I/O data-transfer rate
300 Mbytes/sec max
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
8 Mbytes
Height (max)
20.20 mm (0.794 inches)
Width (max)
101.6 mm (4.000 inches) +/- 0.010 inches
Length (max)
146.99 mm (5.787 inches)
Weight (typical)
380 grams (0.838 lb.)
Power-on and Standby to ready
15 sec max
Track-to-track seek time
<1.0 msec typical read;
<1.2 msec typical write
Average seek, read
<15.0 msec typical
Average seek, write
<16.0 msec typical
Startup current (typical) 12V (peak)
2.0 amps
Voltage tolerance (including noise)
5V ± 5%
12V ± 10%
Operating temperature (Drive Case)
0° to 75°C
Nonoperating temperature (Drive Case)
–40° to 75°C
Temperature gradient (max)
20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature (max)
37.7°C max (operating)
40.0°C max (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.)
Operational Shock
63 Gs at 2 msec max
Non-Operational Shock
350 Gs at 2 msec max
Vibration, operating
5–22 Hz: 0.25 Gs, Limited displacement
22–350 Hz: 0.50 Gs
350–500 Hz: 0.25 Gs
Содержание SV35 - Series 500 GB Hard Drive
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