Твърд диск 8TB Seagate SkyHawk Guardian ST8000VX004, SATA 6Gb/s, 7200rpm, 256MB кеш, 3.5"(8.89 cm)

SEAGATE HDD Desktop SkyHawk Guardian (3.5'/ 8TB/ SATA/ rpm 7200)


Drive specification ST8000VX004

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/in2, @ 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 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)
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) 300 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 10–500 Hz: 5.0 Grms ref
Drive acoustics, sound power (bels)
Idle
2.8 (typical)
3.0 (max)
During periods of drive idle, some offline activity may occur according to the
SMART specification, which may increase acoustic and power to operational levels.
Performance seek 3.2 (typical)
3.4 (max)

Nonrecoverable read errors 1 sector per 1015 bits read
Annualized Failure Rate (AFR)* 0.87% based on 8760 POH

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