Datasheet

Seagate BarraCuda Product Manual, Rev. A 6
2.0 Drive 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 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.
Table 1 Drive Specifications Summary
Drive Specification ST2000LM015 ST1000LM048 ST500LM030
Formatted capacity
(1)
2TB 1TB 500GB
Guaranteed sectors 3,907,029,168 1,953,525,168 976,773,168
Heads 4 2
Disks 2 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
Maximum sustained data rate, OD read 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 90 / 0.198 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 ambient temperature (min °C) 0°
Operating temperature (drive case max °C) 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)