MOMENTUS 5400.6 SATA PRODUCT MANUAL, REV. G 6
Table 2 Drive specifications for 250 and 160 GB models
Drive specification
ST9250315AS
ST9250315ASG ST9160314AS ST9160301AS
Formatted Gbytes (512 bytes/sector)* 250 160
Guaranteed sectors 488,397,168 312,581,808
Bytes per sector 512
Physical read/write heads 2
Discs 1
Cache (Mbytes) 8
Recording density in BPI (bits/inch avg) 1490k 1238k
Track density TPI (tracks/inch avg) 265k 210k
Areal density (Gbits/inch
2
avg) 394 269
Spindle speed (RPM) 5400
Average latency (msec) 5.6
Internal transfer rate (Mbits/sec max) 1175
I/O data transfer rate
(Mbytes/sec max)
300
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 +/- .0079 inches)
Width (max) 69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max) 100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max) 93.5 grams (0.206 lb) 105 grams (0.23 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 amp
Seek power (typical) 1.54 watts
Read/write power (typical) Read: 1.40 watts; Write: 1.78 watts
Idle mode, low power (typical) 0.67 watts
Standby mode 0.20 watts (typical)*** 0.22 watts (typical)***
Sleep mode 0.20 watts (typical)*** 0.22 watts (typical)***
Voltage tolerance (including noise) +5V ± 5%
Ambient temperature 0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
35°C (nonoperating)
Relative humidity 5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature
(°C max)
37.7 (operating)
40 (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1,000 ft to 10,000+ ft)
Altitude, nonoperating
(meters below mean sea level, max)
–304.8 m to 12,192 m (–1000 ft to 40,000+ ft)
Shock, operating (Gs max at 2 msec) 350
Shock, nonoperating (Gs max at 2 msec) 800
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