appleinsider.com › inside › accessories-and-io › … How to roll your own external hard disk storage for your Mac …As an example, the Seagate BarraCuda line starts from 2 terabytes for $64.99, with 8 terabyte drives available from $139.99 on Amazon. Likewise, the WD Blue line includes options for… Mar 18, 2026 · Mike Wuerthele and Malcolm Owen