WD RE4 1 TB SATA Hard Drives ( WD1003FBYX)

Performance Specifications
	Rotational Speed	7,200 RPM (nominal)
	Buffer Size	64 MB
	Average Latency	4.20 ms (nominal)
	Load/unload Cycles	600,000 minimum

Transfer Rates
	Transfer Rate (Buffer To Disk)	128 MB/s (Max)

Physical Specifications
	Formatted Capacity	1,000,204 MB
	Capacity	1 TB
	Interface	SATA 3 Gb/s
	User Sectors Per Drive	1,953,525,168

Physical Dimensions
English
	Height	1.028 Inches
	Depth	5.787 Inches
	Width	4.00 Inches
	Weight	1.61 Pounds

Metric
	Height	25.40 mm
	Depth	147 mm
	Width	101.6 mm
	Weight	0.73 kg

Environmental Specifications
Shock
	Operating Shock (Read)	65G, 2 ms
	Non-operating Shock	300G, 2 ms

Acoustics
	Idle Mode	28 dBA (average)
	Seek Mode 0	29 dBA (average)
	Seek Mode 3	25 dBA (average)

Temperature (English)
	Operating	32° F to 140° F
	Non-operating	-40° F to 158° F

Temperature (Metric)
	Operating	5° C to 55° C
	Non-operating	-40° C to 70° C

Electrical Specifications
Current Requirements
	Power Dissipation
	Read/Write	7.90 Watts
	Idle	5.90 Watts
	Standby	0.70 Watts
	Sleep	0.70 Watts