Seagate STM3320820A DiamondMax 21 PATA Product Manual - Page 12
Table 2, Drive specifications summary
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Table 2: Drive specifications summary for 250 and 200 Gbyte models Drive specification Formatted Gbytes (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 I/O data-transfer rate ATA data-transfer modes supported Cache buffer Height (max) Width (max) Length (max) Weight (max) Average latency Power-on to ready (max) Standby to ready (max) Track-to-track seek time (typical) Average seek, read (typical) Average seek, write (typical) 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 STM3250620A STM3250820A 250 488,397,168 3 2 512 63 16 16,383 813 kbits/in max 145 ktracks/in avg. 114.4 Gbits/in2 avg 7,200 RPM 1,030 Mbits/sec max 72 Mbytes/sec max 100 Mbytes/sec max PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-5 16 Mbytes 8 Mbytes 26.1 mm (1.028 inches) 101.6 mm (4.000 inches) +/- 0.010 inches 146.99 mm (5.787 inches) 600 grams 4.16 msec 11 sec 15 sec