Intel Q270 Chipset, Intel Core i5-7500 3.24Hz 6MB Shared Cache 65W, 8GB DDR4 2400MHz RAM 4X Slots 64GB Max (1X8GB), 256GB SATA Solid State Drive, Slim Supermulti DVDRW, Intel HD 630 Shared Graphics, Intel Gigabit Ethernet, Conexant High Definition Audio, 180W Up To 92% Efficent Power Supply, 1X USB Type-C, 6X USB 3.1 (2X Front and 4X Rear), 4X USB 2.0 (2X Front, 2X Rear), 2X DisplayPort 1.1a, 1X Microphone and Headphone Ports (Front), 1X Audio In and Audio Out Ports (Rear), 1X RJ45, 1X Slim ODD, 2X Internal 3.5" HDD Bay, 1X Internal 2.5" HDD Bay, 2X PCIe x1 Slots, 1X PCIe x4 Slot, 1X PCIe x16 Slot, 1X M.2 2230 PCIe Slot for WLAN, 1X M.2 2280 PCIe Slot for Storage,Windows 10 Professional 64 Bit