Твърд диск 4 TB HGST Ultrastar 7K4000 SAS 6Gb/s, 7200 rpm, 64MB, 3.5" (8.89 cm)

4 TB HUS724040ALS641/0B26927

Configuration
Interface: SAS 6Gb/s
Capacity (GB) at 512 bytes/sector: 4TB
Form factor: 3.5-inch
Sector size (bytes) : 512 / 520 / 528
Max. areal density (Gbits/sq. in) : 475

PerformanceHUS724030ALS641
Data buffer (MB) : 64
Rotational speed (RPM) : 7200
Interface transfer rate (MB/s, max) : 600
Sustained transfer rate (MB/s, typical) : 183
Seek time (read, ms, typical) : 8.0

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
MTBF1 (M hours) : 2.0
Annualized Failure Rate1 (AFR) : 0.44%Ambient temperature: -40 o to 70 o C

Acoustics
Idle (Bels, typical) : 2.9

Power
Requirement: +5 VDC (+/-5%), +12VDC (+10%/-8%)
Startup current (A, max): 1.2 (+5V), 2.0 (+12V)
Read/write (W): 10.9
Idle (W, avg): 7.6
Unload idle (W): 6.2

Physical size
z-height (mm, max): 26.1
Dimensions (width x depth, mm): 101.6 (+/-0.25) x 147
Weight (g, typical): 690
HUS724030ALS641
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, 1ms, G): 300
Vibration (G RMS, 5 to 500 Hz): 1.04 (XYZ)

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