Asrock B85 Pro4 -Intel Socket 1150 B85 Pro4 Chipset Motherboard, ATX, Solid Capacitor for CPU power, Dual Channel 4xDDR3 – 1600, Support Intel HD Graphics with Built-in Visuals Support HDMI Technology DVI-D, D-Sub and support Auto Lip Sync. Supports HDCP function with HDMI port, Pixel Shader 5.0, DirectX 11.1 Max shared memory 1792MB, Supports Full HD 1080 Blu-Ray (BD) playback with DVI-D, HDMI port , A-STYLE, Hybrid Booster, XFAST 555, Gigabit LAN 10 100 1000, HD 7.1 channel, (Realtek ALC892), Premium Blu-ray audio support, Supports AMD Quad CrossFireX , CrossFireX , 1x PCI Express 3.0 x16 (PCIE2 @ x16), 1x PCI Express 2.0 x16 slot (PCIE4 @ x4) 2x PCI Express 2.0 x1, PCI x2, 4x SATA3 6.0Gb s Connectors, 2x SATA2 3.0Gb s Connectors, 4x USB 3.0 ports on board (Intel B85), 8x USB 2.0 port