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

Hitachi Travelstar™ 5K500.B

Configuration

Interface - SATA 3Gb/s
Capacity (GB) - 320
Sector size (bytes) - 512
Recording zones - 24
Data heads - 3
Disks - 2
Areal density (Gbit/sq.in. max,) - 375

Performance

Data buffer (MB) - 8
Rotational speed (RPM) - 5400
Latency average (ms) - 5.5
Media transfer rate (Mbits/sec, max) - 875
Interface Transfer Rate (MB/sec, max) - 300

Seek time
Average (typical) ms (read) - 12
Track to track (typical) ms (read) - 1

Full stroke (typical) ms (read) - 20

Reliability

Load / unload cycle - 600,000
Power on hours (POH) per month - N/A
Availability - N/A

Power

Requirement +5 VDC (+ -5%)

Dissipation

Startup (W, peak, max.) - 4.5
Seek (W, avg.) - 1.7
Read / Write (W, avg.) - 1.4
Performance idle (W, avg.) - 1.3
Active idle (W, avg.) - 0.8
Low power idle (W, avg.) - 0.5
Standby (W, avg.) - 0.2
Sleep (W) - 0.1

Physical size

z-height (mm) - 9.5
Dimensions (width x depth, mm) - 70 x 100
Weight (g, max) - 104

Environmental (Operating)

Shock (half-sine wave) (most part numbers) - 400G/2ms, 225G/1ms
Shock (half-sine wave) (part numbers 0Y300xx) - 350G/2ms, 200G/1ms
Ambient temperature - 5 to 55o C

Environmental (Non-operating)

Shock (half-sine wave) - 1000G/1ms

Acoustics (A-weighted sound power)

Idle (Bels, typical) - 2.4
Seek (Bels, typical) - 2.6

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