Seagate BarraCuda Product Manual, Rev. D
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
Disks
1
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
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)
415g / 0.915 lb
Average latency
6.0 ms
Power-on to ready (typ)
8.0s
Standby to ready (typ)
8.0s
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
