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EE25.2 Series Product Manual, Rev. B
Table 2: Specifications for 60 Gbyte models
Drive specification
ST960817AM
(Extreme)
ST960818AM
(Rugged)
ST960817SM
(Extreme)
ST960818SM
(Rugged)
Formatted (512 bytes/sector)* 60 Gbytes
Guaranteed sectors 117,210,240
Interfacd PATA SATA
Bytes per sector 512
Physical read/write heads 2
Discs 1
Cache 8 Mbytes
Recording density, BPI 840k bits/inch (typical)
Track density. TPI 150k tracks/inch (typical)
Areal density 126 Gbits/inch
2
(typical)
Spindle speed 5,400 RPM
Internal data transfer rate 450 Mbits/sec max
I/O data transfer rate 100 Mbytes/sec 150 Mbytes/sec
ATA data-transfer modes supported PIO modes 0–4; Multiword DMA modes 0–2; Ultra DMA modes 0–5
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)
100.5 +/- 1.58 mm
(3.957 +/- 0.062 inches)
Weight 102 grams (0.22 lb) (maximum)
Average latency 5.6 msec
Power-on to ready
-20 to 85°C
-30 to -20°C
3 sigma maximum at extreme cold temperature
3.0 seconds (typical), 5 seconds (max)
12 seconds (typical)
<30 seconds
Standby to ready
-20 to 85°C
-30 to -20°C
3 sigma maximum at extreme cold temperature
3.0 seconds (typical), 5 seconds (max)
12 seconds (typical)
<30 seconds
Track-to-track seek time 1.0 msec (read, typical), 1.5 msec (write, typical)
Average seek time (random) 12.5 msec (typical), 14 msec (max)
Average seek, read (random) 13 msec (typical), 14 msec (max)
Average seek, write (random) 14 msec (typical), 15 msec (max)
Full-stroke seek 23 msec (typical); 24 msec (max)
Startup current 5V 1.30 amps (typical); 1.55 amps (max) 1.30 amps (typical); 1.55 amps (max)
Seek power at 25°C 1.65 watts / 0.33 amps (typical) 2.45 watts / 0.49 amps
Read power at 25°C 1.40 watts / 0.28 amps (typical) 3.00 watts / 0.60 amps (typical)
Write power at 25°C 1.50 watts / 0.30 amps (typical) 2.30 watts / 0.46 amps (typical)
Idle mode (active idle at 25°C) 1.65 watts / 0.33 amps (typical) 2.35 watts / 0.47 amps (typical)
Standby mode at 25°C 0.26 watts / 0.05 amps (typical)*** 1.10 watts / 0.22 amps (typical)***
Sleep mode at 25°C 0.26 watts / 0.05 amps (typical)*** 1.10 watts / 0.22 amps (typical)***
Voltage tolerance (including noise) 5V ± 5%
Ambient temperature
Operating
Nonoperating
-30° to 85°C (Extreme); -20° to 75°C (Rugged);
–40° to 95°C (Extreme and Rugged)
Temperature gradient
(noncondensing)
20°C/hour (operating)
30°C/hour (nonoperating)