Configuration
Interface	Ultra160 SCSI
Formatted capacity	18.3 GB
Sector size	512 to 528 bytes
Recording zones	11
Data heads	6
Disks	3
Areal density	7 040 Mb per square inch
Recording density	352 000 bpi
Track density	20 000 tpi
Performance
Data buffer	4 MB
Rotational speed	10 000 rpm
Average latency	2.99 ms
Media transfer rate	280 to 452 Mbps
Interface transfer rate	160 MBps
Sustained data rate	21.7 to 36.1 MBps
Average seek time	4.9 ms
Track-to-track seek time	0.5 ms
Full track seek time	10.5 ms
Reliability
Non-recoverable error rate	One in 10E 14 bits read
Start/stop cycles	50 000 cycles
Power
Requirement	+5 VDC ±5% +12 VDC ±5%
Power consumption efficiency index	0.0005 W per MB
Dimensions
Height	25.4 mm
Width	101.6 mm
Depth	146.0 mm
Weight	690 g
Environmental characteristics	Operating	Nonoperating
Ambient temperature	5 to 55° C	–40 to 65° C
Relative humidity non-condensing	8 to 90°	5 to 95°
Maximum wet bulb	29.4° C	35.0° C
Shock - half sine wave	10 G for 11 ms 45 G for 2 ms	75 G for 11 ms 225 G for 2 ms
Random vibration (RMS)	0.67 G horizontally 0.56 G vertically	1.04 G