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Seagate BarraCuda Product Manual, Rev. H 7
www.seagate.com
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 are for quick reference. For details on specification measurement or definition, refer to the
appropriate section of this manual.
ST2000DM008
Table 1 Drive specifications summary for 2TB model
Drive Specification* ST2000DM008
Formatted capacity (512 bytes/sector)** 2000GB (2TB)
Guaranteed sectors 3,907,029,168
Heads 2,3
Disks 1,2
Bytes per sector
(4K physical emulated at 512-byte sectors)
4096
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density (max) 2200 kB/in
Track density (avg) 540 ktracks/in
Areal density (avg) 1188 Gb/in
2
Spindle speed (RPM) 7200
SATA interface transfer rate 600 MB/s
Maximum data transfer rate 220 MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes 0 to 6
Cache buffer 256MB
Height (max) 20.20mm / 0.795 in
Width (max) 101.6mm (± 0.25) / 4.0 in (± 0.010)
Length (max) 146.99mm / 5.787 in
Weight (typical) 490g / 1.08 lb
Average latency 6.0 ms
Power-on to ready (typ) 11.0s
Standby to ready (typ) 11.0s
Startup current (typical) 12V 2.0A
Voltage tolerance (including noise)
5V ±5%
12V ±10%
Non-Operating (Ambient °C) –40° to 70°
Operating ambient temperature (min °C) 0°
Operating temperature (drive case max °C) 60°
†
Temperature gradient
20°C per hour max (operating)
30°C per hour max (non-operating)
Relative humidity
5% to 90% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max) 30% per hour
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