| CPU, Chipset and Graphics features |
  LGA775 Intel 45nm Processor Ready
This motherboard supports the latest Intel 45nm CPU which introduces new micro-architecture features for greater performance at a given frequency, up to 50% larger L2 caches, and expanded power management capabilities for new levels of energy efficiency.
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  LGA775 Intel Core2 Processor Ready
This motherboard supports the latest Intel Core2 processors in LGA775 package. It also can support Intel next generation 45nm Multi-Core CPU. With new Intel Core microarchitecture technology and 1333 / 1066 / 800 MHz FSB, Intel Core2 processor is one of the most powerful and energy efficient CPU in the world.
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 Intel X38 Chipset
The Intel X38 Express Chipset is the latest chipset designed to support 8GB of dual-channel DDR3 1333/1066/800 architecture, 1333/1066/800 FSB (Front Side Bus), dual PCIe 2.0 x 16 graphics and multi-core CPUs. It especially includes Intel Fast Memory Access technology that significantly optimizes the use of available memory bandwidth and reduces the latency of the memory accesses.
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 PCIe 2.0
This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.
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ATI CrossFire Technology
 ATIs 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 ATIs Catalyst Control Center to rule your CrossFire system.
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| Memory Features |
Dual-Channel DDR3 1800(O.C.)/1600(O.C.)/1333/1066/800
The motherboard supports DDR3 memory that features data transfer rates of 1800(O.C.)/1600(O.C.)/1333/1066/800 MHz to meet the higher bandwidth requirements of the latest operation system, 3D graphics, multimedia, and Internet applications. The dual-channel DDR3 architecture doubles the bandwidth of your system memory to boost system performance, eliminating bottlenecks with peak bandwidths of up to 17 GB/s. Furthermore, the supply voltage for the memory is reduced from 1.8 V for DDR2 to just 1.5 V for DDR3. This voltage reduction limits the power consumption and heat generation of DDR3 which makes it an ideal memory solution.
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| 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 15C (27F)) 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.
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 Up to 20C(36F) Cooler - Stack Cool 2
Effective Fanless Heat Dissipation at 0dB
Stack Cool 2 is a fanless cooling solution offered exclusively by ASUS. It effectively and noiselessly transfers heat generated by the critical components to the other side of the specially designed PCB (printed circuit board) for effective heat dissipation - making temperatures cooler by up to 20C.
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Pure Copper Heat Pipe
 Lowers Temperatures by up to 10C
The Pure Copper Heat Pipe design effectively directs the heat generated by the chipsets to the heatsink near the back I/O ports - where it can be carried away by existing airflows from the CPU or a bundled optional fan. This innovative and groundbreaking fanless heat pipe design effectively lowers temperatures by up to 10C without having lifetime problems that a normal chipset fan has. Furthermore, it provides options for users to install side-flow fans or a passive cooler. This Heat Pipe design is the most reliable fanless thermal solution to date.
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 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 youre sleeping. Simply click keyboard or mouse, you can swiftly wake up the system in few seconds.
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 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.
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 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.
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| ASUS EZ DIY |
 Q-Shield
Easy and Comfortable Installations
The specially designed ASUS Q-Shield does without the usual "fingers" - making it convenient and easy to install. With better electric conductivity, it ideally protects your motherboard against static electricity and shields it against Electronic Magnetic Interference (EMI).
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 AI Slot Detector
Make connection quick and accurate!
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, ASUSs innovative on-board LEDs provide an efficient way to identify the correct way to set up the PC.
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 Q-Connector
Assists in Proper Installation for PCIe/PCI Devices
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.
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 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.
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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.
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 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.
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| 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 2
Super-fine Adjustments to Help Create a Brand New O.C Record!
Allows the user to adjust the NB Voltage, FSB termination Voltage, CPU PLL Voltage and the DRAM Voltage in 0.02v steps to finetune voltages to achieve the most precise setting for the ultimate customized overclocking configuration.
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| ASUS Crystal Sound |
 AI Audio 2
Unique Home Theather Technology on Board
AI Audio 2 creates a virtual center channel that expands the overall sound field without introducing a picket fencing effect. Preserving the dialogue or solo performances with downmixing from multichannels will allow you to experience true-to-life high quality audio.
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 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.
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| 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.
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Dual RAID
The Intel ICH9R chipsets incorporate Six Serial ATA connectors with high performance RAID functions in RAID 0, 1, 10 and 5. 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.
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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.
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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.
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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.
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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.
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| RoHS |
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 GreenASUS
The motherboard and its packaging comply with the European Unions 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.
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