Seagate ST3500630NS Product Manual - Page 14
Table 3, for 400 Gbyte models
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Table 3: Drive specifications summary for 400 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, KBPI (kbits/in max) Track density, KTPI (ktracks/in avg.) Areal density, (Gbits/in2 avg) Spindle speed (RPM) Internal data transfer rate (Mbits/sec max) Sustained data transfer rate OD (Mbytes/sec max) I/O data-transfer rate (Mbytes/sec max) ATA data-transfer modes supported Cache buffer Height (mm max) Width (mm max) Length (mm max) Weight (max) Average latency (msec) Power-on to ready (sec max) Standby to ready (sec max) Track-to-track seek time (msec typical) Average seek, read (msec typical) Average seek, write (msec typical) Startup current (typical) 12V (peak) Voltage tolerance (including noise) Ambient temperature Temperature gradient (°C per hour max) Relative humidity Relative humidity gradient Wet bulb temperature (°C max) Altitude, operating Altitude, nonoperating (below mean sea level, max) Operational Shock (max at 2 msec) Non-Operational Shock (max at 2 msec) ST3400620NS ST3400820NS 400 781,422,768 5 3 512 63 16 16,383 781 145 128.2 7,200 1,030 72 300 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 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) 635 grams 4.16 15 sec 15 sec