Seagate ST95005620AS 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.

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		ST95005620AS	ST93205620AS		ST92505610AS
Formatted GB (512 bytes/sector)*		500	320		250
Guaranteed sectors		976,773,168	625,142,448		488,397,168
Bytes per sector		512
Physical read/write heads		4	3		2
Discs		2			1
Cache (MB)		32
Recording density in BPI (bits/in max)		1,490k
Track density TPI (tracks/in max)		265k
Areal density (Gb/in2 max)		394
Spindle speed (RPM)		7200
Average latency (ms)		4.17
Internal transfer rate (Gb/s max)		1.23
I/O data transfer rate (Gb/s max)		3.0
ATA data-transfer modes supported		SATA 1.0, Serial ATA Revision 2.6
		PIO modes 0–4
		Multiword DMA modes 0–2
		Ultra DMA modes 0–6
Height (max)		9.5 +/- 0.2 mm (0.370 +/- .008 in)
Width (max)		69.85 +/- 0.25 mm (2.750 +/- 0.010 in)
Length (max)		100.35 +0.20 / -0.25 mm (3.951 +0 .008 / -0.010		in)
Weight (max)		110 g (0.238 lb)			105 g (0.227 lb)
Power-on to ready (sec typical)		4.5
Standby to ready (sec typical)		3.0
Track-to-track seek time, read (msec typical)		1.5
Average seek, read (ms typical)		11.0
Average seek, write (ms typical)		13.0
Startup current, +5V amps (max)		1.0
Seek power (watts typical)		2.2

Momentus XT Product Manual, Rev. A 3