Seagate Pipeline HD Mini Series SATA ST9250311CS - Manual (Page 9)

Pipeline HD Mini Series SATA Product Manual, Rev. A 3
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
Pipeline HD Mini Series SATA models.
2.1 Specification summary table
The specifications listed in this table are for quick reference. For details on specification measurement or defi-
nition, see the appropriate section of this manual.
Table 1: Drive specifications
Drive specification ST9250311CS ST91603110CS
Formatted Gbytes (512 bytes/sector)* 250 160
Guaranteed sectors 488,397,168 312,581,808
Bytes per sector 512
Physical read/write heads 2 2
Discs 1 1
Cache (Mbytes) 8
Recording density in BPI (bits/inch avg) 1,490k
Track density TPI (tracks/inch avg) 265k
Areal density (Gbits/inch 2 avg) 394
Spindle speed (RPM) 5,400
Average latency (msec) 5.6
Internal transfer rate (Mbits/sec max) 1,175
I/O data transfer rate (Mbytes/sec max) 150 default / 300 available via Seagate specific SCT command
ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.6
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 +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max) 100.35 + 0.35 / - 0.25 mm (3.957 + 0.079 / - 0.0098 inches)
Weight (max) 110 grams (0.243 lb.)
Power-on to ready (sec typical) 3.6
Power-on to ready (sec max) 3.8
Standby to ready (sec typical) 1.8
Standby to ready (sec max) 2
Track-to-track seek time, read (msec typical) 1
Average seek, read (msec typical) 14
Full-stroke seek, read (msec max) 30
Startup current, +5V (max) 1.0 amp
Seek power (typical) 1.54 watts