Seagate ST3400833ACE, ST3120213ACE manual Drive specifications for 160, 120, and 80 Gbyte models

Table 3:	Drive specifications for 160, 120, and 80 Gbyte models
Drive specification		ST3160212ACE	ST3120213ACE	ST3802110ACE
Formatted Gbytes (512 bytes/sector)*		160	120	80
Guaranteed sectors		312,581,808	234,441,648	156,301,488
Bytes per sector		512
Default sectors per track		63
Default read/write heads		16
Default cylinders		16,383
Recording density, KBPI (kbits/in max)		840.0
Track density, KTPI (ktracks/in max)		141.5
Areal density, (Gbits/in2 max)		119.0
Spindle speed (RPM)		7,200
Internal data transfer rate (Mbits/sec max)		867.2
Sustained data transfer rate (Mbytes/sec max)		83.0
I/O data-transfer rate (Mbytes/sec max)		100
ATA data-transfer modes supported		PIO modes 0–4
		Multiword DMA modes 0–2
		Ultra DMA modes 0–5
Cache buffer		2 Mbytes
Height (mm max)		26.1 mm (1.028 inches)
Width (mm max)		101.6 mm (4.000 inches) +/- 0.010 inches
Length (mm max)		146.99 mm (5.787 inches)
Weight (typical)		580 grams (1.28 lb.)
Average latency (msec)		4.16
Power-on to ready (sec max)		16 sec
Standby to ready (sec max)		16 sec
Track-to-track seek time (msec typical)		<0.8 (read), <1.0 (write)
Average seek (msec typical)		18 (read), 20 (write)
Startup current (typical) 12V (peak)		2.0 amps
Seek power (typical)		12.40 watts
Operating (Consumer Storage Profile)		9.25 watts
Operating (PVR Storage Profile		4.91 watts
Idle mode (typical)		8.00 watts
Standby mode (typical)		0.80 watts
Sleep mode (typical)		0.80 watts
Voltage tolerance (including noise)		5V ± 5%
		12V ± 10%
Ambient temperature		0° to 60°C (operating)
		–40° to 70°C (nonoperating)
Temperature gradient (°C per hour max)		20°C (operating)
		30°C (nonoperating)
Relative humidity		5% to 90% (operating)
		5% to 95% (nonoperating)
Relative humidity gradient		30% per hour max
Wet bulb temperature (°C max)		37.7 (operating)
		40 (nonoperating)
Altitude, operating		–60.96 m to 3,048 m
		(–200 ft. to 10,000+ ft.)
Altitude, nonoperating (below mean sea level, max)		–60.96 m to 12,192 m
		(–200 ft. to 40,000+ ft.)

8 DB35 Series 7200.2 Product Manual, Rev. D