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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 Exos 2X18 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 2 Drive specifications summary
Drive specification
Formatted (512 bytes/sector)*
Guaranteed sectors
Heads
Disks
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) 520 (545 MB/s max) (while operating both actuators concurrently)
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)
†
Operating temperature
Non-Operating temperature
Temperature gradient (°C per hour max)
Seagate Exos 2X18 SATA Product Manual, Rev. A
ST18000NM0092
18TB
(see
Section
2.2)
18
9
512
4096
2470
463
1144
7200
2898
600
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
256MB (262,144KB)
665g (1.466 lb)
4.16ms
25/30
25/30
1.8A
5V ± 5%
12V ± 10%
5° to 60°C (Drive Reported Temperature)
–40° to 70°C (Ambient Temperature, see sections
20°C (operating)
20°C (nonoperating)
ST16000NM0092
16TB
16
2.6.1
and 2.14)
Drive specifications
7
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