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Drive specifications summary
Table 2:
Drive specification
Formatted capacity (512 bytes/sector)*
Guaranteed sectors
Heads
Discs
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density
Track density
Areal density
Spindle speed
Internal data transfer rate
Sustained data transfer rate OD
I/O data-transfer rate
ATA data-transfer modes supported
Cache buffer
Height (max)
Width (max)
Length (max)
Weight (typical)
Average latency
Power-on to ready
Standby to ready
Track-to-track seek time
Average seek, read
Average seek, write
Startup current (typical) 12V (peak)
Voltage tolerance (including noise)
Ambient temperature
Temperature gradient
Relative humidity
Relative humidity gradient
Wet bulb temperature
Altitude, operating
Altitude, nonoperating
(below mean sea level, max)
Operational Shock
Non-Operational Shock
6
for 320 and 160 Gbyte models
STM3320614AS
320 Gbytes
625,142,448
2
1
512
63
16
16,383
1250 kbits/in max
182 ktracks/in avg
2
219 Gbits/in
avg
7,200 RPM
1460 Mbits/sec max
115 Mbytes/sec max
300 Mbytes/sec max
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
16 Mbytes
20.17 mm (0.794 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
405 grams ( 0.893 lb.)
4.16 msec
9 sec max
9 sec max
<0.8 msec typical read;
<1.0 msec typical write
<11.0 msec typical
<12.0 msec typical
2.0 amps
5V +/- 5%
12V +/-10%
0° to 60°C (operating)
–40° to 70°C (nonoperating)
20°C per hour max (operating)
30°C per hour max (nonoperating)
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7°C max (operating)
40.0°C max (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.)
70 Gs max at 2 msec
350 Gs max at 2 msec
DiamondMax 22 Serial ATA Product Manual, Rev. A
STM3160813AS
160 Gbytes
312,581,808
1
8 Mbytes
390 grams ( 0.860 lb.)
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