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LD25 Series 5400.2 Product Manual, Rev. C
5
Table 2: Specifications for SATA (Serial ATA) models
Drive specification ST980210AS ST960210AS ST940210AS ST920210AS
Formatted Gbytes (512 bytes/sector)* 80 60 40 20
Guaranteed sectors 156,501,488 117,210,240 78,340,160 41,021,800
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Spindle speed (RPM) 5,400
Internal data transfer rate OD (Mbytes/sec max) >40
I/O data-transfer rate (Mbytes/sec max) 150
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5
Cache buffer (Mbytes) 2
Height 9.5 ± 0.2 mm (0.374 ± .008 inches)
Width 69.85 ± 0.25 mm (2.750 ± 0.010 inches)
Length 100.2 ± 0.25 mm (3.945 ± 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)
Average seek, read (msec typical) <14
Average seek, write (msec typical) <15
Full-stroke seek (msec) <23 (read); <26 (write)
Startup current 5V (amps typical) (max = +/- 10%) 1.0
Seek power, random r/w, desktop usage (watts, typical) 2.9
Idle mode (watts, typical) 2.5
Standby and sleep modes (watts, typical) ≤1.15
Voltage tolerance (including noise) 5V ± 5%
Ambient temperature 0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max, noncondensing)
20°C (operating)
30°C (nonoperating)
Relative humidity
(noncondensing)
8% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature (°C max) 30°C (operating)
40°C (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000 ft)
Altitude, nonoperating (below mean sea level, max) –304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
Shock, operating (Gs max at 2 msec) 175
Shock, nonoperating (Gs max at 2 msec) 500
Shock, nonoperating (Gs max at 1 msec) 350
Shock, nonoperating (Gs max at 0.5 msec) 200
Vibration, operating 0.5 G (5–350 Hz)
0.25 G (351–500 Hz)
Vibration, nonoperating 5 Gs (10–350 Hz)
1.0 G (351–500 Hz)