If you are looking out for a SATA 2.5-inch HDD/SSD to USB3 adapter, the Sabrent EC-SS31 is quite simple, works with Linux, supports USB 3.1, and retails for about $10 USD…

Source: Phoronix – Sabrent EC-SS31: A USB 3.1 To SATA 2.5-Inch Drive Adapter