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Seagate BarraCuda Pro SATA Product Manual, Rev. A
7
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 the following tables are for quick reference. For details on specification measurement or definition, see the
appropriate section of this manual.
Table 1 Drive specifications summary
5xxE Standard models
ST8000DM008
ST4000DM008
ST6000DM006
ST2000DM012
Drive specification
ST8000DM008
ST6000DM006
ST4000DM008
ST2000DM012
Formatted (512 bytes/sector)
#
8TB
6TB
4TB
2TB
Guaranteed sectors
(see
)
Heads
10
6
3
Discs
5
3
2
Bytes per logical sector
512
Bytes per physical sector
4096
Recording density, KBPI (Kb/in max)
2509
Track density, KTPI (ktracks/in, 0 skew)
371
Areal density, (Gb/in
2
, @ 0 skew mid-disk)
930
Spindle speed (RPM)
7200
Internal data transfer rate (Mb/s max)
2850
Sustained data transfer rate OD (MiB/s max)
220 (230 MB/s max)
I/O data-transfer rate (MB/s max)
600
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
256MB (262,144KB)
Weight: (maximum)
722g (1.59 lb)
643g (1.42 lb)
605g (1.33 lb)
Average latency
4.16ms
Power-on to ready (sec) (typ/max)
23/30
Standby to ready (sec) (typ/max)
23/30
Startup current (typical) 12V (peak)
2.0A
Voltage tolerance (including noise)
5V +10/-5%
12V ±10%
Non-Operating temperature
–40° to 70°C (Ambient Temperature, see sections 2.6.1 and 2.10)
Operating temperature
0°C
Operating temperature
60°C
Temperature gradient (°C per hour max)
20°C (operating)
30°C (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max