So you can allocate your limited funds to more exciting accessories like controllers and Raspberry Pi cases. In general the cost of a USB storage device is less than an equivalent sized micro SD card. Below is a list of all the advantages the USB option offers you. However there are a number of other advantages which are worth mentioning as well. The most obvious advantage to using a USB device to store and access your retro games is the extra storage capacity that it makes available to you. What Are The Advantages To Storing Your ROMS On An External Storage Device?
RetroPie is installed on your Raspberry Pi and you have downloaded all the ROMs you’ll ever need. So, you have your retro gaming machine all setup.