Meet the VisionTek Wallet Drive: a portable USB 3.0 HDD enclosure for 2.5″ drives with a built-in USB cable for Macs and PCs. This looks like a regular wallet with a magnetic flap closure but has a hot-swappable drive tray. It accepts any SATA hard drive or solid state drive and offers data transfer speeds up to 600 MB/s.
The VisionTek Wallet Drive accepts 2.5” 7mm and 9.5mm SATA I/II/III hard drives and solid state drives. You don’t need to install a driver to get started. Sets you back $19.99 + s/h.