1. Revolution energy saving design with DES Advanced featuring hardware based Dynamic 6-Gear switching
  2. Supports 45nm Intel® Core™ 2 multi-core processors with FSB 1600 MHz
  3. Dual channel DDR2 1333+ for remarkable system performance
  4. Advanced power phase design with virtual 12 power phases to provides highly efficient operation for 45nm CPU
  5. Embedded 2 power phases for NB chipset and 2 phases for memory power to excel at power efficiency
  6. 2 PCI-E 2.0 x16 graphic interface plus PCI-E x4 with CrossFireX ™ support for ultimate graphics performance
  7. Hardware Overvoltage Control IC Provides more voltage control options on CPU, North bridge and memory
  8. All Copper Heat pipe/Heat sink connecting NB, SB, and MOSFET and extra Hybrid Silent-Pipe design provides 30% cooler thermal performance
  9. Professed onboard Debug LED and OV-Alert LED, OC-Alert LED, TMP-Alert LED allows user to easily catch on to PC status
  10. 2 Gigabit Ethernet LAN with Teaming functionality
  11. Supports Dolby Home Theater® audio to create a stunning surround sound listening experience.
  12. DualBIOS solution gives a multiple security to the system
  13. Power/reset/Clr CMOS onboard button for easily operation on th workbench
  14. Maximum CPU keep out zone for extreme CPU cooling
  15. Blu-ray playback outputs supported by high quality 106dB SNR ALC889A HD 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


    Designed for overclocking enthusiasts with overwhelming overclocking experience, GIGABYTE GA-EP45-EXTREME is based on Intel P45 chipset, and supports the latest multi-core and 45nm processors up to FSB 1600MHz, featuring dual PCI-E 2.0x16 connectivity with CrossFireX™ supported and dual LAN with teaming for ultra bandwidth.

    GA-EP45-EXTREME equipped with all-copper heat pipe from North Bridge, South Bridge, to CPU MOSFET which provides comprehensive thermal solution, and can be further optimized by a special heat pipe between North Bridge heat sink and PCI socket on your option. Additionally, enhanced with special design around CPU circuit for maximum heat reducing and top quality electronics components, GA-EP45-EXTREME brings unprecedented cool and reliable platform for overclockers.

    Built with GIGABYTE patented Dynamic Energy Saver Advanced technology and Ultra Durable 2 design, GA-EP45-EXTREME delivers ultimate overclocking performance along with maximum stability and advanced power savings.
  • 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.
  • Multi-display support with ATI CrossFireX
    P55-US3L supporting ATI CrossFireX delivers the ultimate in graphics performance for gaming enthusiasts who demand the highest frame rates without compromising on resolution.
  • Dolby Home Theater® - 홈씨어터의 서라운드 사운드 제공
    Dolby® Home Theater는 스테레오 5.1 서라운드 채널 오디오를 6.1, 7.1 서라운드 채널로 전환하여 섬세한 서라운드 사운드를 제공한다. Dolby® Headphone는 스테레오 헤드폰으로 5.1채널의 아날로그 음향을 감상할 수 있으며 또한 Sound Space Expander 기술은 사실과 같은 입체 음향과 공간감을 느끼게 해준다. Natural Bass 저음 기술은 음향시스템 스피커를 통해 더욱 힘찬 저주파수의 전율감을 느끼게 해준다. Dolby Digital Live는 PC음향을 언제든지 DolbyDigital 음향규격으로 인코딩하여 음향을 홈시어터 시스템으로 연결 및 출력시켜 준다.


  • Hybrid Silent-Pipe
    Hybrid-Silent Pipe is all-copper thermal solution design which combines Air cooling with Liquid Cooling to enable effective heat removal from the North Bridge, South Bridge and CPU area.

    Hybrid-Silent Pipe combines liquid cooling and air cooling to provide up to 30% cooler operation


  • 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 6-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 6-Gear feature may vary by model. Gear 1 phase switching requires 45nm processors with PSI signal enabled.
  • 2 Power Phases for Both North Bridge and Memory
    GIGABYTE P45 motherboards are equipped with 2-Phase power for the North Bridge and memory, allowing users to reach higher memory frequencies and enjoy better performance. Compared with only one phase solutions, this ensures longer power component lifespan and higher overclockability due to cooler working temperatures and better efficiency.


  • 2 Gigabit LAN
    High Velocity 2X Bandwidth Boost
  • Hardware Overvoltage Control ICs
    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
    신세대 EasyTune 6의 경우, 기가바이트는 EasyTune의 인터페이스를 간결, 직관, 상세하게 표현했다. 이에 기존의 버전에 비해 어떤 사용자라도 각종 오버클럭 프로파일을 손쉽고 빠르게 조절할 수 있게 되었다. 또한 EasyTune™ 6은 보다 상세한 하드웨어 정보 디스플레이 항목이 있어서 오버클로킹을 하지 않아도 훌륭한 하드웨어관리 유틸리티이다.


  • 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.
  • 디버그 LED
    디버그 LED는 시스템을 간편하게 실행할 수 있게 하고 시스렘 에러를 제거하는데 유용하다.
  • OV-Alert LED
    4 sets of OV-Alert LEDs indicate the overvoltage level of the CPU, Memory, North Bridge and South Bridge to prevent component damage.
  • Visible Overclocking Reminder
    OC-Alert LED indicates the level of CPU overclock from low to high.
  • Visible Temperature Reminder
    Two sets of Temperature Alert LEDs indicate the current temperature level of the CPU and North Bridge
  • Onboard Quick Switches
    메인보드에는 매니아들이 케이스를 조립하지 않고도 빠르고 편리한 오버클럭 환경을 만끽할 수 있도록 Power, Clear CMOS 및 Reset 부팅 설계가 제공된다.
  • Ultra Durable 2 -Designed with Top Quality Highly Efficient Components


    Ultra Cooling - Low RDS(on) MOSFET Design
    Low RDS(on) MOSFETs specially designed to produce lower switching resistance for faster electric current charging and discharging.

    Ultra Cooling

    Low Power Loss - Ferrite Core Choke Design
    Ferrite core chokes comprised of a compound of iron oxide and other metal elements whose properties hold energy much longer than common iron core at high frequency.

    Low Power Loss




    Longer Life - All-Solid Capacitor Design
    Solid capacitors contain a solid organic polymer, while electrolytic capacitors use a common liquid electrolyte, hence, the terms solid capacitor versus electrolytic capacitors.

    Longer Life

  • 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.

* HDMI, HDMI High-Definition Multimedia Interface(고화질멀티미디어인터페이스), HDMI 트레이드드레스및 HDMI 로고라는용어는 HDMI Licensing Administrator, Inc.의상표또는등록상표입니다.
* 사이트에서 제공되는 모든 자료는 참조용일 뿐입니다. 기가바이트는 사이트의 자료를 사전 통지없이 언제든지 수정할 권리를 지닙니다.
* 모든 상표와 로고는 해당 소유자의 자산입니다.
* PC의 표준 아키텍쳐에 의해, 메모리의 특정 부분이 시스템에 사용되어 실제 메모리 크기는 표준보다 적게 표시될 수 있습니다.