The Intel Desktop Board DH77KC supports the 2nd generation & 3rd generation Intel Core i 7, Intel Core i 5 processors, & other Intel processors in the LGA1155 package. The board is featured with DVI-I, HDMI*, & Display Port* connectors & supports dual independent display for processors with Intel HD Graphics. The Intel Desktop Board DH77KC supports Intel HD Graphics with the Lucid Logix Virtu* Universal software, which combines best-in-class media processing features of the Intel Core processors with the 3D gaming performance of graphics add-in cards. Intel Desktop Board DH77KC also offers a PCI Express* Mini Card connector with support for m SATA Solid-State Drive for Intel Smart Response Technology. Features & Configurations Form factor ATX Processor At product launch, this desktop board supports: Intel Core i 7 processor series in an LGA1155 socket Intel Core i 5 processor series in an LGA1155 socket View all compatible Intel processor numbers Memory Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM) sockets Support for DDR3 16001/1333/1066 MHz DIMMs Support for up to 32 GB of system memory Chipset Intel H77 Express Chipset with Intel Rapid Storage Technology Graphics DVI-I, HDMI, & Display Port for processors with Intel HD Graphics Support for PCI Express 3.0 x 16 add-in graphics card 2 Audio Intel High Definition Audio 3 subsystem in the following configuration: 10-channel (7.1+2 independent multi-streaming) audio subsystem using the Realtek* ALC892 audio codec Five analog audio outputs & one optical S/PDIF out port Internal S/PDIF header & front panel audio header LAN support Gigabit (10/100/1000 Mbits/sec) LAN subsystem using the Intel 82579V Gigabit Ethernet Controller Peripheral interfaces Two Serial ATA 6 Gb/s ports Three Serial ATA 3 Gb/s ports One e SATA 3 Gb/s port Ten USB (Universal Serial Bus) 2.0 Ports, four back panel ports, four ports via internal headers, & two ports via Mini PCI Express* connector Four USB (Universal Serial Bus) 3.0 Ports, two back panel ports, & two additional ports via internal headers Expansion capabilities One PCI Express 3.0 x 16 discrete graphics card connector One PCI Express 2.0 x 1 connector One PCI Express 2.0 x 4 connector Three PCI Conventional* bus connectors One PCI Express Mini Card connector with support for m SATA Solid-State Drive Product & Performance Information 1. DDR3 1600 memory is only supported by the 3rd generation Intel Core processors. 2. PCI Express* 3.0 support requires select 3rd generation Intel Core processors. 3. Intel High Definition Audio (Intel HD Audio) requires a system with an appropriate Intel chipset & a motherboard with an appropriate codec & the necessary drivers installed. System sound quality will vary depending on actual implementation, controller, codec, drivers, & speakers.