Seagate DB35.3 Series Serial ATA Product Manual page 14

Drive specifications summary
Table 3:
Drive specification
Formatted Gbytes (512 bytes/sector)*
Guaranteed sectors
Bytes per sector
Default sectors per track
Default read/write heads
Default cylinders
Recording density, max
Track density, max
Areal density, max
Spindle speed
Internal data transfer rate, max
Sustained data transfer rate, max
I/O data-transfer rate, max
ATA data-transfer modes supported
Cache buffer
Height (mm max)
Width (mm max)
Length (mm max)
Weight (max)
Average latency
Power-on to ready, max
Standby to ready, max
Track-to-track seek time, typical
Average seek, read, typical
Average seek, write, typical
Startup current (max) 12V (peak)
Voltage tolerance (including noise)
Ambient temperature
Temperature gradient, per hour max
Relative humidity
Relative humidity gradient, per hour max
Wet bulb temperature, max
Altitude, operating
Altitude, nonoperating, max
Operational Shock, max
Non-Operational Shock, max
Vibration, operating
8
for 320 and 300 Gbyte models
ST3320820SCE
320
625,142,448
512
63
16
16,383
781 kbits/in
145 ktracks/in
2
114.4 Gbits/in
7,200 RPM
1,030 Mbits/sec
72 Mbytes/sec
300 Mbytes/sec
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)
635 grams
4.16 msec
16 sec
16 sec
<0.8 msec read; <1.0 msec write
<11.0 msec
<12.0 msec
2.0 amps
5V ± 5%
12V ± 10%
0° to 65°C (operating)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30%
37.7°C (operating)
37.7°C (nonoperating)
–60.96 m to 3,048 m
(–200 ft. to 10,000+ ft.)
–60.96 m to 12,192 m below mean sea level
(–200 ft. to 40,000+ ft. below mean sea level)
63 Gs at 2 msec
300 Gs at 2 msec
5–22 Hz: 0.25 Gs, Limited displacement
22–350 Hz: 0.50 Gs
350–500 Hz:: 0.25 Gs
DB35.3 Series Serial ATA Product Manual, Rev. D
ST3300820SCE
300
586,072,368