User Manual
Seagate Enterprise Capacity 3.5 HDD v7 SATA Product Manual, Rev. C 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 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 ST12000NM0007, ST12000NM0017
Formatted (512 bytes/sector)* 12TB
Guaranteed sectors (see Section 2.2)
Heads 16
Discs 8
Bytes per logical sector 512
Bytes per physical sector 4096
Recording density, KBPI (Kb/in max) 2283
Track density, KTPI (ktracks/in avg.) 392
Areal density, (Gb/in
2
avg) 923
Spindle speed (RPM) 7200
Internal data transfer rate (Mb/s max) 2685
Sustained data transfer rate OD (MiB/s max) 248 (261 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) 705g (1.554 lb)
Average latency 4.16ms
Power-on to ready (sec) (typ/max) 20/30
Standby to ready (sec) (typ/max) 20/30
Startup current (typical) 12V (peak)
2.6A
2.0A (optional configuration through Smart Command Transport)
Voltage tolerance (including noise)
5V ± 5%
12V ± 10%
Drive case temperature
5° to 60°C (operating/tested)
–40° to 70°C (nonoperating)
Temperature gradient (°C per hour max)
20°C (operating)
30°C (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Altitude, operating
–304.8 m to 3,048 m
(–1000 ft to 10,000+ ft)
Altitude, nonoperating (below mean sea level, max)
–304.8 m to 12,192 m
(–1000 ft to 40,000+ ft)
Operational Shock (max at 2 ms - typical) Read 70 Gs / Write 40 Gs
Non-Operational Shock (max at 2 ms - typical) 250 Gs
Vibration, operating
5–22 Hz: 0.25 Gs, Limited displacement
22–350 Hz: 0.50 Gs
350–500 Hz: 0.25 Gs
Operation Rotational vibration 20–1500Hz: 12.5 rads/s²
Vibration, nonoperating 2–500 Hz: 2.27 Grms ref