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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 following drive models:
512E models
ST8000NE0021
ST6000NE0021
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)
Maximum Sustained data transfer rate OD
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)
Non-Operating ambient temperature (°C)
Operating ambient temperature (min °C)
Operating temperature (Drive case max °C)
Temperature gradient
(°C per hour max)
Relative humidity
Relative humidity gradient
Altitude, operating
Altitude, non-operating
(below mean sea level, max)
Operational Shock (max at 2 ms)
Non-Operational Shock (max at 2 ms)
Seagate IronWolf Pro v6 Serial ATA Product Manual, Rev. B (Draft 4)
512N model
ST4000NE0025
ST2000NE0035
ST8000NE0021
ST6000NE0021
8TB
12
6
214 MB/s
256MB (262,144KB)
780g (1.72 lb)
23/30
23/30
250 Gs
ST4000NE0025
6TB
4TB
(see
Section
2.2)
7
4
512E
4096
2018
369
732
7200
2396
600
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
128MB (129,536KB)
680g (1.50 lb)
4.16ms
2.0A
5V +10/-5%
12V ±10%
–40° to 70°
5°
†
60°
20°C (operating)
30°C (non-operating)
5% to 95% (operating)
5% to 95% (non-operating)
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
ST2000NE0035
2TB
4
2
512N
512
1936
330
651
2585
195 MB/s
550g (1.21 lb)
17
17
300 Gs
5
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