Pros: 500 gb passport for $90 worked like a charm

Cons: After 3 months of owning the product the write speed dropped to 600KB/s! Called WD support and was told to plug it into another computer... As this is my laptop and I don't have another computer. This is difficult. I tested with my tablet and phone both have a write speed of 12 MB/s. This did not satisfactory For WD support. I buy WD prodcut because of their Great drives and good customer service. way to drop the ball.