DHWD30PURX, Western Digital Purple Surveillance Hard Drive, 3TB, 5400RPM, 64MB Cache

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Product Specifications	Interface	SATA 6 Gb/s
Performance Specifications
	Rotational Speed	IntelliPower *
	Buffer Size	64 MB
	Load/unload Cycles	300,000 minimum
Transfer Rates
	Buffer To Host (Serial ATA)	6 Gb/s (Max)
Physical Specifications
	Capacity	3 TB
	Form Factor	3.5 Inch
Physical Dimensions
English
	Height	1.028 Inches
	Depth	5.787 Inches
	Width	4.00 Inches
	Weight	1.65 Pounds
Metric
	Height	26.1 mm
	Depth	147 mm
	Width	101.6 mm
	Weight	0.75 kg
Environmental Specifications
Shock
	Operating Shock (Read)	65G, 2 ms
	Non-operating Shock	250G, 2 ms
Acoustics
	Idle Mode	25 dBA (average)
	Seek Mode 0	26 dBA (average)
Temperature (English)
	Operating	32° F to 149° F
	Non-operating	-40° F to 158° F
Temperature (Metric)
	Operating	-0° C to 65° C
	Non-operating	-40° C to 70° C
Electrical Specifications
Current Requirements
	Power Dissipation
	Read/Write	5.30 Watts
	Idle	4.90 Watts
	Standby	0.40 Watts
	Sleep	0.40 Watts
Compatibility
Operating System
	Compatibility	Windows/Mac