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This is a internal hard drive meant to make computers faster, you can use it as a external hard drive if you have a SATA to USB adapter like this one https://www.pcworld.com/article/2036718/why-its-a-good-idea-to-own-a-usb-to-sata-adapter.html
there is another guy at @OneBitNews's Garage sale that is selling an external harddrive