Product DescriptionThe MicroStar P7N SLI Platinum is a great gaming motherboard that supports SLI for Dual video cards and HD Audio. This motherboard also comes with two eSATA ports in the rear to get fast transfer rates to external hard drives. Getting the right motherboard is crucial in building the right computer system you need to perform all your tasks; it determines what components you can add, how fast those devices can run, and the P7N SLI Platinum covers all those needs at a great price. Supports RAID 0, 1, 0+1, 5 & JBOD 3 x PCI-E x16 (The 2nd and 3rd PCI Express x16 slots are operating at x8 mode), 2 x PCI Realtek RTL8211BL LAN supports 10/100/1000Mb/s Realtek ALC888 HD Audio Flexible 8-Channel Audio with Jack Sensing Supports boot from LAN, USB Device 1.1 & 2.0, and SATA HDD Back Panel I/O Ports - PS/2 (Keyboard), PS/2 (Mouse), IEEE1394 (FireWire), 2 x eSATA, RJ-45, 4 x USB 2.0/1.1, Audio Jack (5-in-1), Optical S/PDIF port ATX form factor