S
EAGATE
L
APTOP
U
LTRATHIN
HDD SATA P
RODUCT
M
ANUAL
, R
EV
. C
4
D
RIVE
S
PECIFICATIONS
2.0
D
RIVE
S
PECIFICATIONS
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 the following drive models:
The specification summaries listed in the following tables are for quick reference. For details on specification measurement or definition,
refer to the appropriate section of this manual.
Drive Specification
ST500LT032 and ST500LT033
ST320LT030 and ST320LT031
Formatted capacity
(1)
500 GB
320 GB
Guaranteed sectors
976,773,168
625,142,448
Heads
2
Disks
1
Bytes per sector
512 (logical) / 4096 (physical)
Recording density
1885 Kb/in
Track density
366 Ktracks/in avg
Areal density
690 Gb/in
2
avg
Spindle speed
5400 RPM
Sustained data transfer rate OD
100 MB/s max
I/O data-transfer rate
600 MB/s max
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
16 MB
Height
5.0 ± 0.20 mm (0.197 ± 0.008 in)
Width
69.85 ± 0.25 mm (2.750 ± 0.010 in)
Length
100.35 +0.20 / -0.25 mm (3.951 +0.008 / -0.010 in)
Weight (typical)
<93g (0.205lb)
Average latency
5.6 ms
Startup current (typical) 5V (peak)
1.0 A
Voltage tolerance (including noise)
5V ± 5%
Operating temperature
0° to 60°C
Nonoperating temperature (Ambient)
–40° to 70°C
Temperature gradient (max)
20°C per hour max (operating)
35°C per hour max (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature (max)
37.7°C max (operating)
40.0°C max (nonoperating)
Altitude, operating
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
Altitude, nonoperating
(below mean sea level, max)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Operational Shock
400 Gs at 2 ms max
Non-Operational Shock
1000 Gs at 1 ms max