Твърд диск 320GB, HITACHI CinemaStar Z5K320, SATA2, 5400rpm, 8MB, 2.5" (6.35 cm)

CinemaStar Z5K320
2.5-inch mobile hard drive for digital video apps

- Low Profile – 7mm thickness for design flexibility
- Ready for Action – 24x7 availability for digital video apps
- Quiet Operation – Enjoy a richer audio-listening experience

Interface SATA 3Gb/s
Capacity (GB) 320
Sector size (variable, Bytes/sector) 512
Recording zones 24
Max areal density (Gbits/sq. in.) 477

Performance

Data buffer (MB) 8
Rotational Speed (RPM) 5400
Latency Average (ms) 5.5
Media transfer rate (Mbits/sec, max) 994
Interface transfer rate (MB/sec, max) 300
Seek Time (read, ms, typical) 15

Reliability

Load/Unload Cycles 600,000
Power on hours (POH) per month 730
Availability (hrs/day x days/wk) 24x7

Acoustics

Idle (Bels) 1.9
Seek (Bels, typical) 2.0

Power

Requirement +5 VDC (+/-5%)
Requirement: Start-up (W, peak, max) 3.5
Requirement: Low power idle (W, avg) 0.55
Operating (W, typical) 1.4

Physical size

Z-height (mm) 7
Dimensions (width x depth, mm) 70x100
Weight (g, max) 95

Environmental (operating)

Ambient temperature 5^(o) to 70^(o)C
Shock (half-sine wave) 400G (2ms), 225G (1ms)

Environmental (non-operating)

Ambient temperature -40^(o) to 65^(o)C

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