Desktop Motherboard B85A LGA 1150 Socket Dual Channel DDR3 HD Output PCIe 3.0 X16 32GB/s M.2 SATA3.0 ATX Motherboard Item Type: Desktop Motherboard Material: Printed Circuit Board Motherboard Structure: ATX Motherboard Size: Approx. 215 x 175mm / 8.5 x 6.9in ( Manual Measurement, Slight Error May Exist ) CPU Slot Type: Support LGA 1150 (Support 4th Gen: for Core i3, i5, i7 and for Celeron, for Pentium Processors) Network Card: 10/100Mbit Network Card Graphics Card Slot: PCI E X16 Gen 3.0 Supported Memory Type: 2 x DDR3 Maximum Memory Capacity: 2 x 8GB SATA Interface: 3 x SATA 3.0 USB Port: 2 x USB3.0, 2 x USB2.0, 2 x Front USB2.0 Pin, 1 x Front USB3.0 Pin Expansion Ports: VGA x 1, HD Multimedia Interface x 1, PCIE 1X Expansion, M.2 SSD Interface, P/S Mouse Keyboard Interface Power Interface: 24 Pin and 8 Pin 3 Phase Power Battery Type: CR2032 Button Battery (Inbuilt Battery Included) Battery Capacity: 240mAh