Seagate ST8000NM002A, Руководство пользователя

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Seagate Exos 7E8 SATA Product Manual, Rev. F 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
4kN Models
Standard SED FIPS (140-2) ISE
ST8000NM002A
ST6000NM022A
ST4000NM001A
ST2000NM002A ST8000NM005A
ST6000NM024A
ST4000NM008A
ST2000NM008A ST8000NM009A
ST6000NM026A ST8000NM013A
ST6000NM028A
ST4000NM022A
ST2000NM014A
Drive specification
ST8000NM002A
ST8000NM005A
ST8000NM009A
ST8000NM013A ST6000NM022A
ST6000NM024A
ST6000NM026A
ST6000NM028A
ST4000NM001A
ST4000NM008A,
ST4000NM022A
ST2000NM002A
ST2000NM008A,
ST2000NM014A
Formatted (4096 bytes/sector)
#
8TB 6TB 4TB 2TB
Guaranteed sectors (see
Section 2.2
)
Heads 10 8 6 3
Discs 5 4 3 2
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) 238 (249 MB/s max) 216 (226 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) 716g (1.579 lb) 693g / (1.528 lb) 649g (1.431 lb) 620g (1.367 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)
2.6A
(2.0A (optional configuration through Smart Command Transport)
Voltage tolerance (including noise)
5V ±5%
12V ±10%
Non-Operating temperature –40° to 70°C (Ambient Temperature, see sections 2.6.1 and 2.11 )
Operating temperature
†
5° to 60°C (Drive Reported Temperature)
Temperature gradient (°C per hour max)
20°C (operating)
20°C (nonoperating)
Relative humidity
*
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 20% per hour max