3.5 inch external hard disk 3 years warranty 500gb 3.5inch hard disk Low price,high speed of hard disk

3.5 inch external hard disk3 years warranty 500gb 3.5inch hard diskLow price,high speed of hard disk

Specifications	500GB
Model Number	SG-77017
Interface	SATA2
Performance
Spindle Speed (RPM)	7200
Cache, Multisegmented (MB)	16
Environmental
Temperature (°C)
Operating	0 to 60
Nonoperating	−40 to 70

500GB 3.5inch 32mb cache hard disk