Adata hardisk are a popular type. of hardisk making company so user can trust this company. the company motive is to fulfil the requirements of the people. this 500gb hardisk speed is high and almost a normal life space is fulfilled by 500 gb hardisk.
Users may I had experienced that high memory causes low performance of operator software hence 500 gb hardisk is not at all to big rather nor a less that one's work will be almost done by it. it is cheap too as compared to other hardisks but quality is good.
