Seagate ST3250823ACE, ST3200826ACE, ST3300831ACE 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 ST3400832ACE, ST3300831ACE, ST3250823ACE and ST3200826ACE 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.

Table 1:	Drive specifications
Drive specification		ST3400832ACE	ST3300831ACE	ST3250823ACE	ST3200826ACE
Formatted Gbytes		400	300	250	200
(512 bytes/sector)
Guaranteed sectors		781,422,768	586,072,368	488,397,168	390,721,968
Bytes per sector		512
Default sectors per track		63
Default read/write heads		16
Default cylinders		16,383
Recording density, BPI		763,000
(bits/in max)
Track density, TPI		120,000
(tracks/in max)
Areal density,		91,560
(Mbits/in2 max)
Spindle speed (RPM)		7,200
Internal data transfer rate OD		95
(Mbytes/sec max)
Sustained data transfer rate OD (Mbytes/sec)		65
I/O data-transfer rate		100
(Mbytes/sec max)
ATA data-transfer modes supported		PIO modes 0–4
		Multiword DMA modes 0–2
		Ultra DMA modes 0–5
Cache buffer		8 Mbytes (8,192 kbytes)
Height (mm max)		26.11 mm (1.028 inches)
Width (mm max)		101.85 mm (4.010 inches)
Length (mm max)		146.99 mm (5.787 inches)
Weight (typical)		635 grams (1.39 lb.)
Average latency (msec)		4.16
Power-on to ready (sec max)		15.5 sec
Standby to ready (sec max)		14.0 sec

DB35 Series Product Manual, Rev. B 3