• Revolution energy saving design with DES Advanced featuring hardware based Dynamic 4-Gear switching
  • Supports 45nm Intel® Core™ 2 multi-core processors with FSB 1600 MHz
  • Dual channel DDR2 1333+ for remarkable system performance
  • Ultimate graphics performance with PCI-E 2.0 x16 interface
  • Features high speed Gigabit Ethernet connector
  • DualBIOS solution gives a multiple security to the system
  • Hardware Overvoltage Control IC Provides more voltage control options on CPU
  • Home theater quality 8-channel High Definition Audio
(Note) This motherboard is designed with VRD11.1 power phase, and cannot be compatible with VRD10 designed CPU. Please refer to "CPU Support List" for details.
  • Introduction


    Based on the new Intel P45 chipset, GA-EP45-DS3LR delivers a record setting 1600MHz Front Side Bus for the latest Intel® Core 2™ multi-core processors, including 45nm CPUs and supporting dual channel DDR2 up to 1333+MHz. GA-EP45-DS3LR features PCI Express 2.0 x16 interfaces, delivering double the PCI Express bandwidth of 5 Gbit/s for the ultimate in extreme gaming performance. GA-EP45-DS3LR delivers several advanced GIGABYTE innovations including the DES Advanced, Ultra Durable design which provide optimized power savings, ultra cooling and ultra durability.
  • Qualified for Windows® 7
    The motherboard qualified for WHQL (Windows Hardware Quality Labs) certification of Windows 7 from Microsoft®, setting the standard for future Windows 7 certified motherboards...more
  • Smaller, Faster and More Efficient
    GA-G41MT-ES2H motherboards paired with Intel 45nm CPUs deliver the very best platform for multitasking, multimedia and high performance gaming. Not only do GIGABYTE's latest motherboards based on Intel Eaglelake chipsets all support Intel's new generation, 45nm multi-core processors.


  • Dual Channel DDR2 1333+ MHz
    Delivering native support for DDR2 memory up to 1333MHz, GIGABYTE Ultra Durable 3 series motherboards allow users to easily reach higher memory frequencies at lower voltages; achieving higher memory performance with lower power consumption to run even the most memory intensive applications such as high-definition video and 3D games with ease.
    * DDR2 1333+ is supported with combination of AM3 processors and qualified memory modules, please refer "Memory Support List" for detail memory support information.
  • PCI-E 2.0 Graphics Interface
    PCI-E 2.0 doubles the bus standard's bandwidth from 2.5 Gbit/s to 5 Gbit/s, meaning a x32 connector can transfer data at up to 16 GB/s in each direction. PCI-E 2.0 also features improvements to the point-to-point data transfer protocol and its software architecture.
  • Intel® High Definition Audio
    Intel® High Definition Audio enables 8 channel premium digital sound in the PC for an immersive surround sound experience. In addition, Intel HD Audio delivers multiple audio channels in your PC so you can listen to two different streams simultaneously in two separate rooms


  • Dynamic Energy Saver Advanced
    GIGABYTE Dynamic Energy Saver Advanced provides better energy saving capabilities and enhanced system performance. GIGABYTE Dynamic Energy Saver Advanced is the world’s only motherboard energy saving technology with hardware-based Dynamic 4-Gear* Switching. With support for VRD 11.1, GIGABYTE's DES Advanced allows the motherboard to switch to 1 Gear phase switching during idle, allowing for a dramatic increase in power savings.

    GIGABYTE has also retooled Dynamic Energy Saver to allow overclockers to experience the benefits of multi-gear power phase switching while overclocking, providing ultra stable, ultra smooth overclocking performance.
    * The 4-Gear feature may vary by model. Gear 1 phase switching requires 45nm processors with PSI signal enabled.
  • The Industry's Leading All-Solid Capacitor motherboard Design
    To ensure a longer operation life time for systems in daily operation and boost system stability under extreme conditions, this platform adopts cutting-edge Conductive Polymer Aluminum Solid Capacitors from the world's leading vendors. With these high-qualitycomponents , users can take advantage of better electronic conductivity and excellent heat resistance for enhanced system durability.


  • Gigabit LAN connectivity
    The Gigabit network interface delivers a high speed LAN connection with data transfer rate up to 1000Mb/s, providing new generation connectivity for the broadband era. Gigabit LAN is ideally for seamless internet connection such as streaming audio and video contents

    Adjusts power consumption automatically according to your LAN cable lengths, up to 10% power savings.
  • Hardware Overvoltage Control ICs (Designed for CPU only)
    Hardware Overvoltage Control ICs which provide more voltage control options than before for the CPU North Bridge and memory. The overvoltage controllers also provide hardware linear real-time voltage control. In addition, Hardware Overvoltage Controller ICs also allow for much finer voltage control, allowing power users to adjust voltage in as little increments as 20mV for better overclocking performance.
  • EasyTune6
    GIGABYTE has completely redesigned EasyTune6 from the ground up to make it easier than ever to manage and monitor your hardware resources as well as tweak your system settings in order to achieve maximum system performance. Whether you are an overclocking enthusiast, or a computer novice, EasyTune6 provides the tools you need to quickly and effortlessly fine tune your system.


  • DualBIOS™ - Patented Dual Hardware BIOS Protection
    DualBIOS™ is a GIGABYTE patented technology that automatically recovers BIOS data when main BIOS has crashed or failed. Featuring 2 physical BIOS ROMs integrated onboard, GIGABYTE DualBIOS™ allows quick and seamless recovery from BIOS damage or failure due to viruses or improper BIOS updating.
  • 50,000 Hours Japanese Solid Capacitors
    GIGABYTE Ultra Durable motherboards are equipped with solid capacitors developed by leading Japanese manufacturers. With an average lifespan of 50,000 hours, these solid capacitors provide the stability, reliability and longevity essential to meet the power needs of high-end processors and other components running today's most demanding applications and games...more


    * 50000 hours of work time is calculated at 85℃ ambient temperature.

* A HDMI, a HDMI High-Definition Multimedia Interface és a HDMI Trade dress kifejezések, valamint a HDMI emblémák a HDMI Licensing Administrator, Inc. védjegyei vagy bejegyzett védjegyei.
* The entire materials provided herein are for reference only. GIGABYTE reserves the right to modify or revise the content at anytime without prior notice.
* Advertised performance is based on maximum theoretical interface values from respective Chipset vendors or organization who defined the interface specification. Actual performance may vary by system configuration.
* All trademarks and logos are the properties of their respective holders.
* Due to standard PC architecture, a certain amount of memory is reserved for system usage and therefore the actual memory size is less than the stated amount.