ASUS Super Memspeed Technology Enhances Memory Speed up to 75% The P5K3/P5K series of motherboards provide four outstanding features for the user. The Deluxe version of the motherboard has built-in native DDR2 1066 support and is able to overclock with an ultra high frequency to achieve DDR2 1400. These ASUS motherboards still provide you with quiet thermal solutions - which contain the 8 phase power design, Stack Cool 2 and the Heat Pipe Design functions. They also come with the newest AI Gear 2 to save up to 50% of CPU power usage. Complementing all these features are ASUS´s innovative tools - AI Slot Detector; allowing the user to conveniently install the computer. The P5K3/P5K series decreases temperature, provides stable overclocking, lowers noise levels and saves the most electricity. AI Lifestyle Series motherboards bring lifestyle and personal computing together. They provide you better system performance to enjoy graphic-intensive games and applications. The cutting-edge audio feature dramatically enhances the quality of voice signal. Thoughtful design allows you to set up your system easily. To create a peaceful environment, several new and improved innovations are included to reduce noise and temperature. Don´t change your way of life for a computer. Instead let the ASUS Lifestyle Series improve the quality of your life.   CPU, Chipset and Graphics features LGA775 Intel® Quad-core Processor Ready This motherboard supports the latest Intel® Quad-core processors in LGA775 package. It´s excellent for multi-tasking, multi-media and enthusiastic gamers with 1333 / 1066/800 MHz FSB. Intel® Quad-core is one of the most powerful CPU in the world.   LGA775 Intel® Core™2 Processor Ready This motherboard supports the latest Intel® Core™2 processors in LGA775 package. With new Intel® Core™ microarchitecture technology and 1333 / 1066 / 800 MHz FSB, Intel® Core™2 processor is one of the most powerful and energy efficient CPU in the world.   Intel® P35 Chipset The Intel® P35 Express Chipset is the latest chipset designed to support the next generation 45nm CPU; and DDR2 800/667 MHz memory architecture. It also supports 1333/1066/800 FSB (Front Side Bus), PCI Express x16 graphics and multi-core CPUs.   ATI CrossFire Technology ATI´s CrossFire boosts image quality along with rendering speed, eliminating the need to scale down screen resolutions to get the high image quality you want. CrossFire ignites with the higher antialiasing, anisotropic filtering, shading, and texture settings you desire. Adjust your display configurations, experiment with your advanced 3D settings, and check the effect with a real-time 3D-rendered preview within ATI´s Catalyst™ Control Center to rule your CrossFire system.   Memory Features Dual-Channel DDR2 800 DDR2 is the next generation memory technology to replace the current DDR. With the highest speed up to 800MHz, DDR2 memory provides great performance for 3D graphics and other memory demanding applications.   Native DDR2 1066 Support To attain top performance, ASUS engineers have successfully unleashed the true potential of DDR2 memory. While in DDR2 1066 mode, ASUS´s exclusive technology offers a choice of FSB 1333 - providing great performance for 3D graphics and other memory demanding applications.   ASUS Super Memspeed Technology Surpass the Limit with Easy Overclocking Automatically To attain top performance, ASUS has managed to break through current FSB and DRAM ratio proportions by utilizing Super Memspeed Technology - the latest technology that provides even more precise overclocking options to unleash the true potential of DDR3 memory. Native DDR3 1333 maximizes system performance by eliminating the bottleneck when overclocking both the CPU and memory - providing great performance for 3D graphics and other memory demanding applications.   ASUS Quiet Thermal Solution New Generation 8-Phase Power Design Genuine 8-Phase Power Design Excels at Power Efficiency The ASUS 8-Phase Power Design provides highly efficient operation to generate less heat (at least 15°C (27°F)) than other conventional power solutions. It reduces input ripple current and output ripple voltage, which keeps CPU and power module from suffering the risk of high power stress. It has the advantages of quick transient response and stability, especially beneficial when CPU requires more current immediately under heavy loading or overclocking mode.   Up to 20°C(36°F) Cooler - Stack Cool 2 StackCool 2 is a fan-less and zero-noise cooling solution offered exclusively by ASUS. It effectively transfers heat generated by the critical components to the other side of the specially designed PCB (printed circuit board) for effective heat dissipation.   Fanless Design - Heat Pipe Zero failure Support side-flow fan or passive cooler The Heat Pipe design effectively directs the heat generated by the chipsets to the heatsink near the back IO ports, where it can be carried away by existing airflow from CPU fan or bundled optional fan. The purpose of the innovative heat pipe design on this motherboard is that the groundbreaking fanless design does not have lifetime problems as a chipset fan does. Furthermore, it provides options for users to install side-flow fan or passive cooler. The Heat Pipe design is the most reliable fanless thermal solution to date.   Save 50% CPU Power - AI Gear 2 Power Savings for Environment-Friendly Computing AI Gear2 allows users to choose profiles to adjust CPU frequency and vCore voltage to minimize system noise and power consumption. For example, users can change the mode in real-time in the operating system to max power saving mode and can save up to 50% power for the CPU when using word processing applications.   AI Nap Minimize noise and power consumption when temporarily away! With AI Nap, users can instantly snooze your PC without terminating the tasks. System will continue operating at minimum power and noise when user is temporarily away. It keeps downloading files or running applications in quietest state while you´re sleeping. Simply click keyboard or mouse, you can swiftly wake up the system in few seconds.   Q-Fan 2 Adjusts both CPU fan and chassis fan speeds according to system loading ASUS Q-Fan2 technology intelligently adjusts both CPU fan and chassis fan speeds according to system loading to ensure quiet, cool and efficient operation.   Uses 100% All High-quality Conductive Polymer Capacitors! This motherboard uses all high-quality conductive polymer capacitors onboard for durability, improved lifespan, and enhanced thermal capacity.   ASUS EZ DIY AI Slot Detector Assists in Proper Installation for PCIe/PCI Devices When PCIe/PCI devices are installed, users can simply plug in the power cable and find out if these devices are successfully installed. Without even switching on the PC or entering the operating system, ASUS´s innovative on-board LEDs provide an efficient way to identify the correct way to set up the PC.   Q-Connector Make connection quick and accurate! The ASUS Q-Connector allows you to connect or disconnect chassis front panel cables in one easy step with one complete module. This unique adapter eliminates the trouble of plugging in one cable at a time, making connection quick and accurate.   CrashFree BIOS 3 Simply restore corrupted BIOS data from USB flash disk The ASUS CrashFree BIOS 3 allows users to restore corrupted BIOS data from a USB flash disk containing the BIOS file. This utility saves users the cost and hassle of buying a replacement BIOS chip.   EZ-Flash 2 Simply update BIOS from a USB flash disk before entering the OS EZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility.   O.C. Profile Conveniently store or load multiple BIOS settings Freely share and distribute favorite overclocking settings The motherboard features the ASUS O.C. Profile that allows users to conveniently store or load multiple BIOS settings. The BIOS settings can be stored in the CMOS or a separate file, giving users freedom to share and distribute their favorite overclocking settings.   ASUS overclocking tools AI NOS™ Boost performance when you need it the most! Applications such as 3D games and video editing demand a huge chunk of system resource. Inject "nitrous oxide" into your CPU! The patented AI NOS™ (Non-delay Overclocking System) technology intelligently detects system load and automatically boosts performance for the most demanding tasks. Unlike other dynamic overclocking techniques, AI NOS™ reacts much faster to satisfy your unending need for speeds . Precision Tweaker Achieve system maximum performance! It offers ways to raise system performance inch-by-inch and step-by-step to achieve maximum performance! This is about getting the most out of your machine and taking pride in your customized computer. vDIMM - Take control of how much power is going into the memory modules. This motherboard gives you 13-step voltage control to the DIMM. vCore - Find out "exactly" how much power your CPU needs. Fine-tune it with 0.0125 volts at a time! SFS (Stepless Frequency Selection) allows - FSB tuning from 200MHz up to 800MHz at 1MHz increment - Memory tuning from 667MHz up to 1333MHz at 1MHz increment - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment   C.P.R.(CPU Parameter Recall) When the system hangs due to overclocking failure, there is no need to open the case to clear CMOS data. Just simply restart the system, the BIOS would show the previous setting and then users can amend the CPU setting again.   ASUS Crystal Noise Filter Eliminate background noise while recording This feature detects repetitive and stationary noises like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording.   ASUS Unique Features Multi-language BIOS Help you configure system easier and faster The multi-language BIOS allows you to select the language of your choice from the available options. The localized BIOS setup menu helps you configure your system easier and faster.   MyLogo3 Personalize your system with customizable boot logo You can convert your favorite photo into a 256-color boot logo for a more colorful and vivid image on your screen.   Interface Features SATA on the Go This motherboard supports the next-generation hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for high-speed data retrieval and saves. The external SATA port located at the back I/O provides smart setup and hot-plug functions. Easily backup photos, videos and other entertainment contents on external devices.   Dual RAID The Intel ICH9R chipsets incorporate Six Serial ATA connectors with high performance RAID functions in RAID 0, 1. The JMicron controller provides another two Serial ATA connectors for RAID 0, 1, and JBOD functions. This motherboard is the ideal solution to enhance hard disk performance and data back up protection without the cost of add-on cards.   Dual Gigabit LAN The integrated dual Gigabit LAN design allows a PC to serve as a network gateway for managing traffic between two separate networks. This capability ensures rapid transfer of data from WAN to LAN without any added arbitration or latency.   ASUS WiFi-AP Solo Easily Connect and Share Data Wirelessly WiFi AP Solo allows a new level of versatility for your PC, enabling it to create a complete wireless home network in either AP or wireless client mode. Users will be able to play LAN games, connect to the Internet, access and share printers, and use Skype from anywhere within range. WiFi-AP Solo can provide these functions even when the PC is in sleep mode, so users can use Skype as a true replacement for tradition long distance telephone service. WiFi-AP Solo is an on-board feature, which means that user will save the extra WiFi AP cost.   IEEE 1394a interface IEEE 1394a interface provides high speed digital interface for audio/video appliances such as digital television, digital video camcorders, storage peripherals & other PC portable devices.   High Definition Audio Enjoy high-end sound system on your PC! The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output, jack-sensing feature, retasking functions and multi-streaming technology that simultaneously sends different audio streams to different destinations. You can now talk to your partners on the headphone while playing a multi-channel network games. All of these are done on one computer.   S/PDIF-out on Back I/O Port This motherboard provides convenient connectivity to external home theater audio systems via coaxial and optical S/PDIF-out (SONY-PHILIPS Digital Interface) jacks. It allows to transfer digital audio without converting to analog format and keeps the best signal quality.   RoHS & Operation System GreenASUS The motherboard and its packaging comply with the European Union´s Restriction on the use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating environment-friendly and recyclable products and packaging to safeguard consumers´ health while minimizing the impact on the environment.