Maxtor STM3160215AS Product Manual page 14

Drive specifications summary
Table 3:
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
8
for 250 Gbyte models
STM3250824AS STM3250820AS
250 Gbytes
488,397,168
3
2
512
63
16
16,383
790.1 813 kbits/in max
124.5 ktracks/in avg 145 ktracks/in avg
2
97.96 Gbits/in avg 114.4 Gbits/in
7,200 RPM
867.2 Mbits/sec max 1,030 Mbits/sec max
76.6 Mbytes/sec max 72 Mbytes/sec max
300 Mbytes/sec max
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
8 Mbytes
26.1 mm (1.028 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
580 grams (1.28 lb.) 600 grams (1.32 lb.)
4.16 msec
11 sec max
11 sec max 15 sec max
<0.8 msec typical read,
<1.0 msec typical write
<8.0 msec typical <8.5 msec typical
<9.0 msec typical <10.0 msec typical
2.8 amps
5V ± 5%
12V ± 10%
0° to 60°C per hour max (operating)
–40° to 70°C per hour max (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7°C max 37.7°C max (operating)
(operating) 37.7°C max (nonoperating)
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.)
63 Gs max at 2 msec 68 Gs max at 2 msec
DiamondMax 21 Serial ATA Product Manual, Rev. C
STM3250310AS
2
1
1,110 kbits/in max
160 ktracks/in avg
2 2
avg 176 Gbits/in avg
1,303 Mbits/sec max
110 Mbytes/sec max
19.99 mm (.787 inches)
368 grams (.811 lbs)
<1.0 msec typical read,
<1.2 msec typical write
<11.0 msec typical
<12.0 msec typical
2.0 amps
63 Gs max at 2 msec