Expansion Slots 1. 1 x PCI Express x16 slot, running at x16 (PCIEX16) 2. 1 x PCI Express x16 slot, running at x4 (PCIEX4) 3. 1 x PCI Express x1 slot Storage Interface 1. 1 x M. 2 connector 2. 1 x M. 2 connector 3. 6 x SATA 6Gb/s connectors 4. Support for RAID 0, RAID 1, RAID 5, and RAID 10 Operating System 1. Support for Windows 10 64-bit Form Factor 1. Micro ATX Form Factor; 24. Photos are for illustration only, it may differ from the actual item.