But on a per-gigabyte basis, these drives are very expensive compared to disc-based hard drives that offer more storage bang for the buck. Solid-state drives (SSDs) are also good, because they write data quickly, just like a computer’s RAM does.
For this exercise, Thunderbolt-equipped drives, like the one terabyte LaCie Rugged Thunderbolt, work well because they transfer images swiftly through the faster port.
Any drive will do, but some are better than others. In order to give your Mac some breathing room, you’ll need a new place to put all your pictures.
