Seagate ST250DM000 Barracuda 7200.10 SATA Product Manual - Page 24
Table 8, for the 160 Gbyte models
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Table 8: Drive specifications summary for the 160 Gbyte models Drive specification Formatted capacity (512 bytes/sector)* Guaranteed sectors Heads Discs Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density Track density Areal density Spindle speed Internal data transfer rate Sustained data transfer rate OD (read) I/O data-transfer rate ATA data-transfer modes supported Cache buffer Height (max) Width (max) Length (max) Weight (typical) Average latency Power-on to ready Standby to ready Track-to-track seek time Average seek, read Average seek, write Startup current (typical) 12V (peak) Voltage tolerance (including noise) Ambient temperature Temperature gradient Relative humidity Relative humidity gradient Wet bulb temperature Altitude, operating Altitude, nonoperating (below mean sea level, max) Operational Shock Non-Operational Shock ST3160815AS ST3160310AS ST3160215AS 160 Gbytes 312,581,808 2 1 512 63 16 16,383 732 kbits/in avg 137.259 ktracks/in avg 101 Gbits/in2 avg 7,200 RPM 930 Mbits/sec max 78 Mbytes/sec max ** 300 Mbytes/sec max PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 8 Mbytes 2 Mbytes 19.99 mm (0.787 inches) 101.6 mm (4.010 inches) 146.99 mm (5.787 inches) 380 grams (0.838 lb.) 4.16 msec 7.9 sec max 7.9 sec max