I have bought this product 1 years ago and after using this hard drive for 1 year very smoothly product is very good & very light weighted material it’s easy to carry & data transfer rate is fast product is good overall and I recommend you to purchase. in this box sony black hard disk drive high speed usd-3 cabl documents(user guide & warranty of 3 years) sony 1 tb wired external hard drive it will save your meanie ok go and buy it.