Seagate 1TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch

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, 2 1 Bytes per sector 512 (logical) / 4096 (physical) Recording density 2276 Kb/in Track density 580 Ktracks/in AVG Areal density 1320 Gb/in2 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).