# SMB Topics: [[Storage technology]] > **Server Message Block** (**SMB**) is a communication protocol mainly used by Microsoft Windows equipped computers normally used to share files, printers, serial ports, and miscellaneous communications between nodes on a network. (Wikipedia) ## Subtopics - ## Troubleshooting ### Protocol version There are multiple versions of SMB. When I mounted a NAS share via SMB 2.0, I ran into problems writing large video files. Mounting the share with SMB 3.0 solved the problem. ## Bookmarks - ## Related topics -