Seagate Exos 7E8 SATA Product Manual, Rev. K
6
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 models
Standard
Self-Encrypting (SED)
SED (FIPS 140-2)
Instant Secure Erase (ISE)
ST8000NM000A
ST8000NM004A
ST8000NM008A
ST8000NM012A
ST6000NM021A
ST6000NM023A
ST6000NM025A
ST6000NM027A
ST4000NM002A
ST4000NM010A
ST4000NM012A
ST2000NM001A
ST2000NM010A
Drive specification
ST8000NM000A
ST8000NM004A
ST8000NM008A
ST8000NM012A
ST6000NM021A
ST6000NM023A
ST6000NM025A
ST6000NM027A
ST4000NM002A
ST4000NM010A
ST4000NM012A
ST2000NM001A
ST2000NM010A
Formatted (512 bytes/sector)
#
8TB
6TB
4TB
2TB
Guaranteed sectors
(see
)
Heads
10
8
6
3
Discs
5
4
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)
238 (249 MB/s max)
234 (245 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%
Operating temperature
†
5° to 60°C (Drive Reported Temperature)
Non-Operating temperature
–40° to 70°C (Ambient Temperature, see sections
and
)
Temperature gradient (°C per hour max)
20°C (operating)
20°C (nonoperating)
