Gateway 20GB 4200 Hard Drive - 5502242

Performance
Data buffer (KB)	2 048*
Rotational speed (rpm)	4 200
Latency (average ms)	7.1
Media transfer rate (Mbps)	108.8 to 202.9
Interface transfer rate (MBps)	66.6 Ultra-DMA mode 4 16.6 PIO mode 4
Seek time (ms)
Average (typical)	12.0
Single track (typical)	2.5
Full stroke (typical)	23.0
Reliability
Error rate (non-recoverable)	Less than 1 per 1.0E13 bits transferred
Load/unload cycles	300 000
Power
Voltage requirement (VDC)	+5 (±5%)
Physical
Height (mm)	9.5
Width (mm)	70.0
Depth (mm)	100.0
Weight (g)	99.0
Environmental
Ambient temperature	Operating: 5 to 55° C Non-operating: –40 to 65° C
Relative humidity (non-condensing)	Operating: 8 to 90% Non-operating: 5 to 95%
Maximum wet bulb (non-condensing)	Operating: 29.4° C Non-operating: 40.0° C
Shock (half sine wave)	Operating: 175 G/2 ms Non-operating: 800 G/1 ms
Vibration random (RMS)	Operating: 0.67 G (5-500 Hz) Non-operating: 3.01 G (5-500 Hz)
Vibration swept sine	Operating: 1 G 0-peak (5-500 Hz) Non-operating: 5 G 0-peak (5-500 Hz)
Configuration
Interface	ATA-4
Capacity (GB)	20
Sector size (bytes)	512
Recording zones	16
User cylinders	22 784
Data heads	4
Disks	2
Maximum areal density (gigabits per square inch)	17.1
Maximum recording density (KBpi)	451.1
Track density (tpi)	38 000
Drive fitness test	Enabled