Seagate (ST8000VN004) - Инструкция по эксплуатации - Страница 7

Seagate IronWolf SATA Product Manual, Rev. B

  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 following 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 

5xxE models

Standard

ST8000VN004

Drive specification

ST8000VN004

Formatted (512 bytes/sector)

#

8TB

Guaranteed sectors

(see 

Section 2.2

)

Heads

10

Discs

5

Bytes per logical sector

512

Bytes per physical sector

4096

Recording density, KBPI (Kb/in max)

2509

Track density, KTPI (ktracks/in, 0 skew)

371

Areal density, (Gb/in

2

, @ 0 skew mid-disk)

930

Spindle speed (RPM)

7200

Internal data transfer rate (Mb/s max)

2850

Sustained data transfer rate OD (MiB/s max)

200 (210 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)

716g (1.579 lb)

Average latency

4.16ms

Power-on to ready (sec) (typ/max)

23/30

Standby to ready (sec) (typ/max)

23/30

Startup current (typical) 12V (peak)

1.8A

Voltage tolerance (including noise)

  5V +10/-5%

12V ±10%

Non-Operating temperature

–40° to 70°C (Ambient Temperature, see sections 

2.6.1

 and 

2.11

)

Operating temperature

*

5°C

Operating temperature

*

70°C

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)