Drive Specifications; Specification Summary Table - Seagate ST320LT020 - 9YG142 Product Manual

2.0 D
RIVE SPECIFICATIONS
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the
phrases the drive and this drive are used throughout this manual to indicate all models.
2.1 S
PECIFICATION SUMMARY TABLE
The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate
section of this manual
Table 1 Drive specifications
Drive specification
Formatted capacity (GB)*
Guaranteed logical blocks (LBA)
Bytes per physical sector
Physical read/write heads
Disks
Cache (MB)
Recording density in BPI (bits/in avg)
Track density TPI (tracks/in avg)
2
Areal density (Gb/in avg)
Spindle speed (RPM)
Average latency (ms)
Internal transfer rate (Mb/s max)
I/O data transfer rate (Gb/s max)
ATA data-transfer modes supported
Height (max)
Width (max)
Length (max)
Weight (max)
Power-on to ready (sec typical)
Standby to ready (sec typical)
Track-to-track seek time, read (ms typical)
Average seek, read (ms typical)
Startup current, +5V (max)
Read/write power (typical)
Idle mode, low power (typical)
Standby/Sleep mode (typical)
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
(meters below mean sea level, max)
Shock, operating (Gs max at 2ms)
M T P
OMENTUS HIN RODUCT
ST320LT020 - 9YG142
320
625,142,448
4096
2
1
16
1397k
315k
425
5400
5.6
1044
3.0
SATA 1.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
7.0 mm (0.276 in)
70.10 mm (2.76 in)
100.55 mm (3.959 in)
<92.0 g (<0.203 lb)
3.5
3.0
1.5
11
1.0A
Read: 1.30W; Write: 1.65W
0.48W
0.15W ***
+5V ± 10%
0° to 60°C (operating), –40° to 70°C (nonoperating)
20°C (operating)
35°C (nonoperating)
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
37.7 (operating)
40 (nonoperating)
–304.8 m to 3,048 m (–1000 ft. to 10,000
–304.8 m to 12,192 m (–1000 ft. to 40,000
350
M , R . F
ANUAL EV
ST250LT003 - 9YG14C ST160LT003 - 9YG141
250 160
488,397,168 312,581,808
1
+
ft.)
+
ft.)
4