This external hard disk is good and working properly.It has usb 3.0 so it has a capability to transfer data with high speed up to 100 MBps and it works perfectly with usb 3.0 port. On computer.If you want storage and good speed then go for it. The main thing is that is 2.5 inch and very compactable and you can take it everywhere easyly carriable product.If you work properly and not drop it will work for a long time .It has a good capacity store data and it secure and safe .Never got your data corrupted or data loss so just go for it.