Support for two 2.5” SSDs or HDDs with two SATA3 connections and an M.2 SSD, with an M.2 slot using PCIe/SATA3 connections the GIGABYTE Gaming PC ensures that it can fulfill both speed and storage space demands for even the most demanding gamers. Gamers have the versatility to save large multimedia files on the hard drive and leave speed-critical software, such as the operating system (O/S), games, and video editing software, etc., on the SSD.