Seagate ST9100828AS Momentus 5400.3 SATA Product Manual - Page 9
Drive specifications
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2.0 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 ST9160821AS, ST9120822AS, ST9100828AS, ST980811AS, ST960813AS, and ST940814AS models. 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 1: Drive specifications Drive specification ST9160821AS ST9120822AS ST9100828AS ST980811AS ST960813AS ST940814AS Formatted Gbytes (512 bytes/sector)* 160 120 100 Guaranteed sectors 312,581,808 234,441,648 195,371,568 Bytes per sector 512 Physical read/write heads 4 3 3 Discs 2 2 2 Cache (Mbytes) 8 Recording density in BPI (bits/inch max) 870k Track density TPI (tracks/inch max) 150k Areal density (Gbits/inch2 max) 132 Spindle speed (RPM) 5,400 Internal transfer rate 352 (Mbits/sec max) I/O data transfer rate 150 (Mbytes/sec max) ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.5 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 Height (max) 9.5 +/- 0.2 mm (0.374 +/- .0078 inches) Width (max) 69.85 mm (2.75 +/- 0.0098 inches) Length (max) 100.50 +/- 0.25 mm (3.957 +/- 0.010 inches) Weight (typical) 100 grams (0.22 lb) Average latency (msec) 5.6 Power-on to ready (sec typical) 3.0 Standby to ready (sec typical) 3.0 Track-to-track seek time (msec typical) 1.0 (read), 1.5 (write) 80 60 156,301,488 117,210,240 2 2 1 1 96 grams (0.21 lb) 40 78,340,160 1 1 Momentus 5400.3 SATA Product Manual, Rev. D 3