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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 Enterprise Capacity 3.5 HDD v7 SATA 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
Drive specification
Formatted (512 bytes/sector)*
Guaranteed sectors
Heads
Discs
Bytes per logical sector
Bytes per physical 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 (MiB/s 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) (typ/max)
Standby to ready (sec) (typ/max)
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 typical)
Non-Operational Shock (max at 2 ms typical)
Vibration, operating
Operation Rotational vibration
Vibration, nonoperating
Seagate Enterprise Capacity 3.5 HDD v7 SATA Product Manual, Rev. C
ST12000NM0117, ST12000NM0127
12TB
(see
Section
4096
2283
7200
2685
248 (261 MB/s max)
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
256MB (262,144KB)
705g (1.554 lb)
4.16ms
20/30
20/30
2.0A (optional configuration through Smart Command Transport)
5V ±5%
12V ±10%
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
250 Gs
5–22 Hz:
22–350 Hz: 0.50 Gs
350–500 Hz: 0.25 Gs
20–1500Hz: 12.5 rads/s²
2–500 Hz: 2.27 Grms ref
2.2)
16
8
512
392
923
600
2.6A
0.25 Gs, Limited displacement
7
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