Seagate ST3500320ASIM, STBD3000100, STBD2000101 Drive Specifications, Specification summary tables

2.0 Drive 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 the following drive models:

ST3000DM001	ST2000DM001	ST1500DM003	ST1000DM003
ST750DM003	ST500DM002	ST320DM000	ST250DM000

2.1Specification summary tables

The specifications listed in Table 1 and Table 2 are for quick reference. For details on specification measurement or definition, refer to the appropriate section of this manual.

Table 1 Drive specifications summary for 3TB, 2TB, 1.5TB, 1TB and 750GB models

Drive Specification*	ST3000DM001;	ST2000DM001;	ST1000DM003;
	ST2000DM001	ST1500DM003	ST750DM003
Formatted capacity (512	3000GB (3TB);	2000GB (2TB);	1000GB (1TB);
bytes/sector)**	2000GB (2TB)	1500GB (1.5TB)	750GB
Guaranteed sectors	5,860,533,168;	3,907,029,168;	1,953,525,168;
	3,907,029,168	2,930,277,168	1,465,149,168
Heads	6	4	2
Disks	3	2	1
Bytes per sector (4K physical	4096	4096	4096
emulated at 512-byte sectors)
Default sectors per track	63	63	63
Default read/write heads	16	16	16
Default cylinders	16,383	16,383	16,383
Recording density (max)	1807kFCI	1807kFCI	1807kFCI
Track density (avg)	352ktracks/in	352ktracks/in	352ktracks/in
Areal density (avg)	625Gb/in2	625Gb/in2	625Gb/in2
Spindle speed	7200 RPM	7200 RPM	7200 RPM
Internal data transfer rate	2147Mb/s	2147Mb/s	2147Mb/s
(max)
Average data rate, read/write	156MB/s	156MB/s	156MB/s
(MB/s)
Maximum sustained data rate,	210MB/s	210MB/s	210MB/s
OD read (MB/s)
I/O data-transfer rate (max)	600MB/s	600MB/s	600MB/s
Cache buffer	64MB	64MB	64MB
Height (max)	26.1mm / 1.028 in	26.1mm / 1.028 in	20.17mm / 0.7825 in
Width (max)	101.6mm /4.0 in (+ 0.010 in)	101.6mm /4.0 in (± 0.010 in)	101.6mm / 4.0 in ( ± 0.010 in)
Length (max)	146.99mm / 5.787 in	146.99mm / 5.787 in	146.99mm / 5.787 in
Weight (typical)	626g /1.38 lb	535g / 1.18 lb	400g / 0.88 lb
Average latency	4.16ms	4.16ms	4.16ms
Power-on to ready (max)	<17.0s	<17.0s	<10.0s
Power-on to ready, 2.5A	<10.0s	<10.0s	n/a
spin-up code option (typical)

Barracuda SATA Product Manual, Rev. G 11