I accept requests for price reductions and combined purchases. (Approval may not be possible depending on the price.) --- This is a Raspberry Pi 3B main unit and a dedicated case. The firmware has been updated to allow the OS to boot from a USB memory. This item has been confirmed to be in working order, having been used as a server for a website right up until just before listing. A 32GB USB 2.0 USB memory, which was also used for the OS, is included as a set. (Formatted.) Please note that a power cable is not included.