Filter
Top Products
Barracuda SATA Product Manual, Rev. G 11
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:
2.1 Specification 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.
ST3000DM001 ST2000DM001 ST1500DM003 ST1000DM003
ST750DM003 ST500DM002 ST320DM000 ST250DM000
Table 1 Drive specifications summary for 3TB, 2TB, 1.5TB, 1TB and 750GB models
Drive Specification*
ST3000DM001;
ST2000DM001
ST2000DM001;
ST1500DM003
ST1000DM003;
ST750DM003
Formatted capacity (512
bytes/sector)**
3000GB (3TB);
2000GB (2TB)
2000GB (2TB);
1500GB (1.5TB)
1000GB (1TB);
750GB
Guaranteed sectors 5,860,533,168;
3,907,029,168
3,907,029,168;
2,930,277,168
1,953,525,168;
1,465,149,168
Heads 6 4 2
Disks 3 2 1
Bytes per sector (4K physical
emulated at 512-byte sectors)
4096 4096 4096
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/in
2
625Gb/in
2
625Gb/in
2
Spindle speed 7200 RPM 7200 RPM 7200 RPM
Internal data transfer rate
(max)
2147Mb/s 2147Mb/s 2147Mb/s
Average data rate, read/write
(MB/s)
156MB/s 156MB/s 156MB/s
Maximum sustained data rate,
OD read (MB/s)
210MB/s 210MB/s 210MB/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
spin-up code option (typical)
<10.0s <10.0s n/a