WD Caviar Blue 160 GB PATA Hard Drives ( WD1600AAJB)

Performance Specifications
	Rotational Speed	7,200 RPM (nominal)
	Buffer Size	8 MB
	Average Latency	4.20 ms (nominal)
	Load/unload Cycles	50,000 minimum

Seek Times
	Read Seek Time	8.9 ms
	Write Seek Time	10.9 ms (average)
	Track-To-Track Seek Time	2.0 ms (average)
	Full Stroke Seek	21.0 ms (average)

Transfer Rates
	Transfer Rate (Buffer To Disk)	972 Mb/s (Max)

Physical Specifications
	Formatted Capacity	160,041 MB
	Capacity	160 GB
	Interface	PATA 100 MB/s
	User Sectors Per Drive	312,581,808

Physical Dimensions
English
	Height	1.028 Inches
	Depth	5.787 Inches
	Width	4.00 Inches
	Weight	1.07 Pounds

Metric
	Height	25.4 mm
	Depth	147 mm
	Width	101.6 mm
	Weight	0.485 kg

Environmental Specifications
Shock
	Operating Shock (Read)	65G, 2 ms
	Non-operating Shock	350G, 2 ms

Acoustics
	Idle Mode	24 dBA (average)
	Seek Mode 0	27 dBA (average)
	Seek Mode 3	25 dBA (average)

Temperature (English)
	Operating	32° F to 140° F
	Non-operating	-40° F to 149° F

Temperature (Metric)
	Operating	-0° C to 60° C
	Non-operating	-40° C to 65° C

Altitude (English)
	Operating	-1,000 feet to 10,000 feet
	Non-operating	-1,000 feet to 40,000 feet

Vibration
	Operating
	Linear	20-300 Hz, 0.75 G (0 to peak)
	Random	10-300 Hz, 0.008 g2 / Hz

	Non-operating
	Low Frequency	5-20 Hz, 0.195 inches (double amplitude)
	High Frequency	20-500 Hz, 4.0G (0 to peak)

Electrical Specifications
Current Requirements
	12 VDC
	Read/Write	280 mA
	Idle	270 mA
	Standby	6 mA
	Sleep	6 mA

	5 VDC
	Read/Write	650 mA
	Idle	600 mA
	Standby	180 mA
	Sleep	180 mA

	Power Dissipation
	Read/Write	6.61 Watts
	Idle	6.24 Watts
	Standby	0.97 Watts
	Sleep	0.97 Watts