Feature	Description
Physical Specifications
Interface	ATA Ultra-100
Capacity	160 GB
Sector size	512
Recording zones	30
Data heads (physical)	4
Data disks	2
Max. areal density (Gbits/sq. inch)	62
Maximum recording density (KBPI)	689
Track density (KTPI)	90
Performance Specifications
Data buffer	2 MB
Rotational speed (rpm)	7 200
Average latency	4.17 ms
Media transfer rate	757 Mbits/sec
Interface transfer rate	100 MB/sec
Sustained data rate	61.4 -29.7 (zone 0-29) MB/sec
Seek time (read typical)
Average	8.5 ms
Track to track	1.1 ms
Full track	15.1
Environmental Characteristics
Operating
Ambient temperature	5 to 55° C
Relative humidity (non–condensing)	8 to 90%
Maximum wet bulb (non–condensing)	29.4° C
Shock (half sine wave 2ms)	55G
Vibration (random (RMS))	0.67G for horizontal 0.56G for vertical
Non–operating
Ambient temperature	–40 to 65° C
Relative humidity (non–condensing)	5 to 95%
Maximum wet bulb (non–condensing)	35° C
Shock (half sine wave 2ms)	350G (1 or 2 disks); 300G (3 disks)
Vibration (random (RMS))	1.04G rms (XYZ)
Physical Dimensions
Height	1.028 inches (25.4 mm) maximum
Length	5.74 inches (146.0 mm) maximum
Width	4.0 inches (101.6 mm) ±0.01 inch
Weight	640 grams