Твърд диск 500GB HGST Ultrastar A7K2000, SATA 6Gb/s, 7200 rpm, 32 MB, 3.5" (8.89 cm)

HGST Ultrastar A7K2000
HUA722050CLA630

InterfaceSATA 6Gb / s
Capacity (GB)1TB / 500
Sector Size (Variable, Bytes / sector)512
Max Areal Density (Gbits / sq. In.)352

Performance
Data Buffer (MB)32
Rotational Speed ​​(RPM)7200
Interface Transfer Rate (MB / sec, max)600
Sustained Transfer Rate (MB / sec, typ.)134
Seek Time (read, ms, typical)8.5

Reliability
Error Rate (non-recoverable, bits read)1 by 10 ^ 15
MTBF (M hours)1 200 000
Load / Unload Cycles300,000 (at 40ºC)
Availability (hrs / day x days / wk)Hour

Acoustics
Idle (Bels)2.4

Power
Requirement+5 VDC (+/- 5%) 12 V DC (+10% / - 8%)
Operating (W, typical)8.4
Startup Current (A, max)2.0 (+12), 1.2 (+5)
Read / Write (W, avg)8.4
Idle (W)3.9
Power Consump. Efficiency Index (W / GB)0.0039 / 0.0078

Physical Size
Z-Height (mm)26.1
Dimensions (width x depth, mm)101.6 (+/- 0.25) x 147

Weight (g, max)680

Environmental (operating)
Ambient TemperatureFrom 5 to 60 ° C
Shock (half-sine wave)70
Vibration (5 to 500 Hz)0,67 (XYZ) (G RMS of 5 to 500 Hz)

Environmental (non-operating)
Ambient TemperatureFrom -40 ° C to 70 ° C
Shock (half-sine wave)350

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