Socket Processor Intel Socket 1155 for 2nd Generation Core i 7 Core i 5 Core i 3 Pentium Celeron Processors Chipset Intel Z68 Express Chipset Memory 4 x DIMM Max. 32GB DDR3 220021331866160013331066 MHz Expansion 2 x PCIe 3.02.0 x 16 x 16 or dual x 8 1 x PCIe 2.0 x 16 x 4 mode black 2 x PCIe x 1 2 x PCIMulti GPU NVIDIA Quad-GPU SLI Technology ATI Quad-GPU Cross Fire X & Lucid Logix Virtu Technology Audio Realtek ALC 892 8-channel High Definition LAN Intel 82579V Gigabit LANForm Factor ATX 12x 9.6 30.5cm x 24.4cm Connectivity SATA 6 Gbs & USB (Universal Serial Bus) 3.0 Asus Unique Featuresbr Dual Intelligent Processors 2 with DIGI VRM Industry leading Digital Designbr ASUS EPU & EPU switch Automatically provides the most appropriate power usage to save power & money.br ASUS TPU with Auto Tuning & Turbo V with Switch Providing simple steps to easy overclocking.br ASUS EFI BIOSEZ Mode The most flexible & easy to use Bios. br Mem OK Quickly ensures memory boot compatibility with failsafe settingsbr GPU Boost Upgrade your graphics performance by up to 48brbr ASUS is proud to introduce the P8Z68-VGEN3 Motherboard taking the award winning Asus P8Z68 Series to the next level with support for the latest PCI Express 3.0 technology providing users with up to 32 G Bs bandwidth & double the performance of PCI-Express 2.0 PCIe 3.0 will become a must-have feature for users who wish to improve & optimize graphic performance as well as have the latest technology available to them.brbr The P8Z68-VGEN3 motherboard brings users Intel Smart Response Technology while also delivering the most flexible tuning of the core graphics & memory. Smart Response Technology allows users to experience the benefits of both SSD & HDD. The board combines SSD responsiveness with the capacity of HDD. This in turn results in a FASTER system boot & FASTER data retrieval Users can benefit from a free GPU performance upgrade via two simple methods using i GPU. The first method is through the on-board GPU Boost switch & the second method is via the easily adjustable settings in the friendly UI. Users can enhance GPU performance by a massive 34. The ASUS P8Z68-VGEN3 features Lucid Logix Virtu which is specifically designed for the Intel Sandy Bridge platforms powerful integrated graphics. Its GPU virtualization dynamically assigns tasks to the best available graphics resources providing greater flexibility & efficiency. Exclusive ASUS features also include Dual Intelligent Processors 2 which features DIGI VRM providing high system stability & efficiency precise adjustment under BIOS and UI & an active cooling micro-processor. EPU provides system energy saving & real time power management. TPU delivers a second micro-processor to free CPU resources as well as easy O.C. & an instant performance boost through an on-board switch or the easy O.C. tool Turbo V EVO.br UEFI BIOS EZ Mode offers users a flexible & simple BIOS graphical interface & mouse control. This model is also rich in SPEC including Quad USB (Universal Serial Bus) 3.0 & Dual SATA 6 Gbs ports & one Intel LAN allowing users to experience the thrill of faster data transfer rates.br