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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:.
Standard 512e models
ST8000NC0002 & ST6000NC0002
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
Drive specification
Formatted (512 bytes/sector)*
Guaranteed sectors
Heads
Discs
Bytes per physical sector
Bytes per logical sector
Recording density, KBPI (Kb/in max)
Track density, KTPI (ktracks/in avg.)
2
Areal density, (Gb/in
avg)
Spindle speed (RPM)
Internal data transfer rate (Mb/s max)
Sustained data transfer rate OD (max)
I/O data-transfer rate (MB/s max)
ATA data-transfer modes supported
Cache buffer
Weight: (maximum)
Average latency
Power-on to ready (sec)
Standby to ready (sec)
Startup current (typical) 12V (peak)
Voltage tolerance (including noise)
Drive case temperature
Temperature gradient
(°C per hour max)
Relative humidity
Relative humidity gradient
Altitude, operating
Altitude, nonoperating
(below mean sea level, max)
Operational Shock (max at 2 ms)
Non-Operational Shock (max at 2 ms)
Seagate Enterprise NAS HDD Product Manual, Rev. A
ST8000NC0002
8TB
15,628,053,168
237MiB/s (249 MB/s)
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
256MB (259,072KB)
780g (1.72 lb)
25 (typ) / 30 (max)
25 (typ) / 30 (max)
12V ±5%
5° to 60°C (operating/tested)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 95% (operating)
5% to 95% (nonoperating)
30% per hour max
–304.8 m to 3,048 m
(–1000 ft to 10,000+ ft)
–304.8 m to 12,192 m
(–1000 ft to 40,000+ ft)
Read 70 Gs
Write 40 Gs
ST6000NC0002
6TB
11,721,045,168
12
6
4096
512
2241
362
1333
7200
2546
600
4.16ms
2.0A
5V ±5%
250 Gs
Drive specifications
5
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