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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 X24 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
Disk
Bytes per logical sector
Bytes per physical sector
Recording density, KBPI (Kb/in max)
Track density, KTPI (ktracks/in avg.)
Areal density, (Gb/in2 avg)
Spindle speed (RPM)
Internal data transfer rate (Mb/s max)
Max Sustained transfer rate OD (MiB/s
Sustained transfer rate OD (MiB/s
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
Seagate Exos X24 SATA Product Manual, Rev. A (Draft 1)
ST24000NM001H
ST24000NM002H
24TB
(see Section 2.2)
20
10
537
4096
2552
512
1260
7200
2951
272 (285 MB/s max)
259 (272 MB/s max)
600
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
256MB (262,144KB)
685g (1.510 lb)
4.16ms
25/30
25/30
2.6A
2.0A (optional configuration through Smart Command Transport)
5V ± 5%
12V ± 10%
10 to 60°C (Drive Reported Temperature)
–40° to 70°C (Ambient Temperature, see sections 2.6.1 and 2.13)
Drive specifications
ST20000NM001H
ST20000NM002H
20TB
18
9
8
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