Seagate ST930818SM Specifications for 60 Gbyte models, Drive specification, ST960817AM, Extreme

Table 2:	Specifications for 60 Gbyte models
Drive specification		ST960817AM	ST960818AM	ST960817SM	ST960818SM
		(Extreme)	(Rugged)	(Extreme)	(Rugged)
Formatted (512 bytes/sector)*		60 Gbytes
Guaranteed sectors		117,210,240
Interface		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/inch2 (typical)
Spindle speed		5,400 RPM
Internal data transfer rate		450 Mbits/sec max
I/O data transfer rate		100 Mbytes/sec		Up to 3 Gbits/sec
Sustained throughput, typical (nominal operating conditions)		45 Mbytes/sec maximum
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		100.5 +/- 1.58 mm
		(3.945 +/-0.010 inches)		(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 for extreme models (75°C for rugged models)		3.0 seconds (typical), 5 seconds (max)
-30 to -20°C (extreme models only)		12 seconds (typical)
3 sigma maximum at extreme cold temperature		<30 seconds
Standby to ready
-20 to 85°C for extreme models (75°C for rugged models)		3.0 seconds (typical), 5 seconds (max)
-30 to -20°C (extreme models only)		12 seconds (typical)
3 sigma maximum at extreme cold temperature		<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)		1.30 amps (typical)
		1.55 amps (max)		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		-30° to 85°C (Extreme); -20° to 75°C (Rugged);
Operating
Nonoperating		–40° to 95°C (Extreme and Rugged)

6 EE25.2 Series Product Manual, Rev. E