Interface

Ultra320 SCSI

Capacity 1

73 GB

Sector size (variable, Bytes/sector)

512-528 (2 byte incr.)

Recording zones

20

Data heads (physical)

8 / 4 / 2

Data Disks

4 / 2 / 1

Max. areal density (Gbits/sq. in.)

113

Performance

Data buffer (MB) 2

16

Rotational speed (RPM)

15,000

Latency average (ms)

2.0

Media transfer rate (Mbits/sec, max)

1441

Interface transfer rate (MB/sec, max)

320

Sustained transfer rate (MB/sec, typ.)

123-72 (zone 0-19)

Seek time (read, ms, typical) 3

3.6 / 3.4 / 3.4

Reliability

Error rate (non-recoverable, bits read)

1 in 1016

Start/stops

50,000

Acoustics

Idle (Bels)

3.5

Power

Requirement

+5 VDC (+/-5%) +12 VDC (+/-5%)

Operating (W, typical)

18.1 / 14.9 / 13.2

Idle (W)

13.1 / 9.7 / 8.2

Power consump. efficiency index (W/GB)

0.044 / 0.066 / 0.112

Physical size

z-height (mm)

25.8

Dimensions (width x depth, mm)

101.6 x 146.2

Weight (g, max.)

745

Environmental (operating)

Ambient temperature

5o to 55o C

Shock (half-sine wave)

30 G (2ms)

Vibration, random (G RMS 5 to 500 Hz)

1.2, all axes

Environmental (non-operating)

Ambient temperature

-40o to 70o C

Shock (half-sine wave)

250 G (2ms)

Vibration, random (G RMS 5 to 500 Hz)

1.04, all axes