Seagate ST360019A manual Drive specifications, Specification summary table

2.0Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate ST3160022A, ST3120025A, ST380012A, and ST360019A model drives.

2.1Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or defi- nition, see the appropriate section of this manual.

Drive specification	ST3160022A	ST3120025A	ST380012A	ST360019A
Formatted Gbytes (512 bytes/sector)	160	120	80	60
Guaranteed sectors	312,581,808	234,441,648	156,301,488	117,231,408
Bytes per sector	512
Default sectors per track	63
Default read/write heads	16
Default cylinders	16,383
Physical read/write heads	4	3	2	2
Discs	2	2	1	1
Recording density, BPI (bits/inch max)	595,000
Track density, TPI (tracks/inch max)	94,600
Areal density, (Mbits/inch2 max)	56.3
Sustained data transfer rate OD (Mbytes/sec)	48
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	1 Mbyte (1,024 kbytes)
Height (mm max)	26.035 mm (1.028 inches)
Width (mm max)	101.6 mm (4.000 inches)
Length (mm max)	146.99 mm (5.787 inches)
Weight (typical)	635 grams (1.4 lb)
Average latency (msec)	4.16
Power-on to ready (sec typical)	10 sec
Standby to ready (sec typical)	10 sec
Startup current (typical) 12V (peak)	2.8 amps
Track-to-track seek time (msec typical)	<1.0 (read), <1.2 (write)
Average seek, read (msec typical)	8.5
Average seek, write (msec typical)	9.5
Seek power (typical)	12.5 watts

U Series 9 Product Manual, Rev. D 3