Western Digital 4TB Black My Passport Portable External Hard Drive - USB 3.0 $54.99 or WD 10TB My Book Desktop External Hard Drive, USB 3.0 $79.99 + FS @ Amazon
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https://www.amazon.com/gp/product/B01LQQH86A/?tag=phtwllt-20
https://www.amazon.com/gp/product/B07CMH78R5/?tag=phtwllt-20