Western Digital Caviar Green 4TB - 7200rpm - 64MB Cache - Sata 3

Mô tả sản phẩm: Western Digital Caviar Green 4TB - 7200rpm - 64MB Cache - Sata 3

WD Green 4 TB SATA Hard Drives (WD40EZRX)

Product Specifications
	Interface	SATA 6 Gb/s

Performance Specifications
	Rotational Speed	IntelliPower *
	Buffer Size	64 MB

Transfer Rates
	Buffer To Host (Serial ATA)	6 Gb/s (Max)

Physical Specifications
	Formatted Capacity	4,000,787 MB
	Capacity	4 TB
	Form Factor	3.5 Inch
	User Sectors Per Drive	7,814,037,168

Physical Dimensions
English
	Height	1.028 Inches
	Depth	5.787 Inches
	Width	4.00 Inches
	Weight	1.50 Pounds

Metric
	Height	26.1 mm
	Depth	147 mm
	Width	101.6 mm
	Weight	0.68 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	28 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
	12 VDC
	Read/Write	1.75 A

	Power Dissipation
	Read/Write	4.50 Watts
	Idle	3.30 Watts
	Standby	0.40 Watts
	Sleep	0.40 Watts

Compatibility
Operating System
	Compatibility	Windows/Mac