Seagate Mobile HDD Product Manual, Rev. A
10
Drive Specifications
Table 2
Drive Specifications Summary
Drive Specification
ST1000LM035
and ST1000LM038
ST500LM030, ST500LM032
and ST500LM033
Formatted capacity
(1)
1TB
500GB
Guaranteed sectors
1,953,525,168
976,773,168
Heads
2
Disks
1
Bytes per sector
512 (logical) / 4096 (physical)
Recording density
2276 Kb/in
Track density
580 Ktracks/in avg
Areal density
1320 Gb/in
2
avg
Spindle speed
5400 RPM
Data transfer rate (up to)
140 MB/s
Interface
SATA 6Gb/s
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
128 MB
Height (mm/in)
7.0 (± 0.2) / 0.276 (± 008)
Width (mm/in)
69.85 (± 0.25) / 2.750 (± 0.010)
Length (mm/in)
100.35 (+0.20/-0.25) / 3.951 (+0.008/-0.010)
Weight (g/lb) max
85 / 0.187
Average latency
5.6 ms
Startup current, Max (+5V)
1.0 A
Voltage tolerance (including noise)
5V ± 5%
Non-Operating (Ambient °C)
–40° to 70°
Operating temperature
0° to 60°
Temperature gradient
20°C per hour max (operating)
35°C per hour max (non-operating)
Relative humidity
5% to 95% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max)
30% per hour
Wet bulb temperature
37.7°C max (operating)
40.0°C max (non-operating)
Altitude, operating
–304.8 m to 3048 m (–1000 ft to 10,000+ ft)
Altitude, non-operating
(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
Vibration, operating
5–200 Hz: 2.0 Gs
201–500 Hz: 1.0 Gs
