Seagate ST9750420AS Momentus 7200 FDE.1 SATA Product Manual - Page 11
Drive specifications - 512 format
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2.0 Drive specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. 2.1 Specification summary table The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Table 2: Drive specifications Drive specification Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Physical read/write heads Discs Cache (Mbytes) Recording density in BPI (bits/inch max) Track density TPI (tracks/inch max) Areal density (Gbits/inch2 max) Spindle speed (RPM) Internal transfer rate (Gbits/sec max) I/O data transfer rate (Gbits/sec max) ATA data-transfer modes supported Height (max) Width (max) Length (max) Weight (typical) Average latency (msec) Power-on to ready (sec typical) Standby to ready (sec typical) Track-to-track seek time, read (msec typical) Average seek, read (msec typical) Average seek, write (msec typical) Startup current, +5V (max) Seek power (typical) ST9320424AS ST9250424AS ST9160414AS ST9120414AS ST9320424ASG ST9250424ASG ST9160414ASG ST9120414ASG 320 250 160 120 625,142,448 512 4 2 488,397,168 3 2 312,581,808 2 1 234,441,648 2 1 16 1,334k 190k 253 7.200 1.1 3.0 SATA 1.5/3.0, Serial ATA Revision 2.6 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 9.5 +/- 0.2 mm (0.374 +/- .0078 inches) 69.85 +/- .249 mm (2.75 +/- .0098 inches) 100.3 +/- 0.25 mm (3.95 +/- .010 inches) 110 grams (0.238 lb) 4.17 4.0 3.0 105 grams (0.227 lb) 1.0 11.0 13.0 1.0 amps 2.3 watts ST980414ASG 80 156,301,488 1 1 Momentus 7200 FDE.1 SATA Product Manual, Rev. B 5