Твърд диск 8 TB HGST Ultrastar He8, SAS 12Gb/s, 7200 rpm, 128MB, 3.5" (8.89 cm)

8TB HGST HUH728080AL4201/0F23653

Configuration
Interface: SAS 12Gb/s
Capacity (TB) : 8TB
Format: Sector size (bytes) : 4096, 4112, 4160, 4224

Max. Areal density
(Gbits/sq. in.) : 664 (8TB)

Performance
Data buffer (MB) : 128
Rotational speed (RPM) : 7200
Latency average (ms) : 4.161.04 (XYZ)
Interface transfer rate (MB/s, max) : 1200
Sustained transfer rate
(MiB/s, typical) : 195
(MB/s, typical) : 205
Seek time (read/write, ms, typical) : 8.5/9.0

Reliability
Error rate (non-recoverable, bits read) : 1 in 10^ 15
Load/Unload cycles (at 40 °C) : 600,000
Availability (hrs/day x days/wk) : 24x7
MTBF (M hours) : 2.5
Annualized Failure Rate (AFR) : 0.35%

Acoustics
Idle (Bels, typical) : 2.0/3.6

Power
Requirement: +5 VDC, +12VDC
Operating: 9.1
Idle (W) : 5.7
Power consumption efficiency at Idle (W/TB)
(Watts/TB) : 0.71
(Watts/GB) : 0.00071

Physical size
z-height (mm) : 26.1
Dimensions (width x depth, mm) : 101.6 (+/-0.25) x 147
Weight (g, max) : 650

Environmental (Operating)
Ambient temperature: 5 ° to 60 ° C
Shock (half-sine wave 2 ms, G) : 70
Vibration (G RMS 5 to 500 Hz) : 0.67 (XYZ)

Environmental (Non-Operating)
Ambient temperature: -40° to 70° C
Shock (half-sine wave, G) : 300 (1ms) / 150 (11ms)
Random vibration (G RMS 2 to 200 Hz) : 1.04 (XYZ)
0F23653

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