Socket Processor Intel Socket 1155 for 2nd Generation Core i 7 Core i 5 Core i 3 Pentium Celeron Processors Chipset Intel H61 Express Chipset Memory 2 x DIMM Max. 16GB DDR3 13331066 MHz Expansion 1 x PCI Express 2.0 x 16 slots 3 x PCI Express 2.0 x 1 slots Audio Realtek ALC887 8-Channel High Definition LAN Realtek 8111E Gigabit LANForm Factor m ATX 9.6 inch x 8.0 inch 24.4 cm x 20.3 cm Connectivity SATA 3 Gbs & USB (Universal Serial Bus) 2.0 Asus Unique Featuresbr ASUS EPU Automatically provides the most appropriate power usage to save power & money.br ASUS EFI BIOSEZ Mode The most flexible & easy to use Bios. brbrbr The P8H61-M LX delivers users fantastic graphics performance in an Intel LGA1155 package with memory & PCI Express controllers integrated to support 2-channel DDR3 memory & 16x PCI Express 2.0 lanes. DDR3 supports data transfer rates of 1333 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics multimedia & Internet applications. The Intel H61B3 Express Chipset is the latest single-chipset design to support the new 1155 socket Intel Core i 7 i 5 i 3 2nd generation processors. It provides enhanced performance by utilising serial point-to-point links allowing increased bandwidth & stability. brbr The P8H61-M LX features a multitude of exclusive ASUS features. ASUS EFI BIOS EZ Mode provides a user friendly interface that goes beyond traditional keyboard BIOS input to enable more flexible & convenient mouse controls. The exclusive EZ mode displays frequently accessed setup info whilst Advanced Mode caters for experienced performance enthusiasts. ASUS EPU Energy Processing Unit provides total system power management by intelligently moderating power usage in real time saving power & money.brbr ASUS AI Suite II this all-in-one software offers diverse & ease to use functions with no need to switch back & forth between different utilities. AI Suite II allows users to supervise overclocking energy management fan speed control voltage & sensor readings. Anti-Surge protection detects over voltage conditions to prevent voltage surges from spreading in real time. brbrbrbrbr