Seagate ST3500630AS Product Manual page 14

Table 2: Drive specifications summary
Drive specification
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
Heads
Discs
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density, KBPI (kbits/in max)
Track density, KTPI (ktracks/in avg.)
2
Areal density, (Gbits/in avg)
Spindle speed (RPM)
Internal data transfer rate (Mbytes/sec max)
Sustained data transfer rate (Mbits/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
Average latency
Power-on to ready (max)
Standby to ready (max)
Track-to-track seek time (msec typical)
Average seek, read (msec typical)
Average seek, write (msec typical)
Startup current (typical) 12V (peak)
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)
Operational Shock (max at 2 msec)
Non-Operational Shock (Gs max at 2 msec)
6
for 400 and 320 Gbyte models
ST3400820A ST3400620A
400
781,422,768
5
3
512
63
16
16,383
781
145
128.2
7,200
72
1,030
100
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
8 Mbytes 16 Mbytes
26.1 mm (1.028 inches)
101.6 mm (4.000 inches) +/- 0.010 inches
146.99 mm (5.787 inches)
635 grams
4.16 msec
15 sec
15 sec
<0.8 (read), <1.0 (write)
<11.0
<12.0
2.8 amps
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)
37.7 (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.)
68 Gs
300 Gs
Barracuda 7200.10 PATA Product Manual, Rev. A
ST3320820A ST3320620A
320
625,142,448
4
2
114.4
8 Mbytes 16 Mbytes