• Supports AMD Phenom X3/ Athlon X2 processors
  • Supports high performance Dual Channel DDR2 800 memory
  • Integrated NVIDIA SATA 3Gb/s with RAID function
  • Optimized Gigabit LAN connection
  • Enhances security with NVIDIA TCP/IP Acceleration technology
  • Integrated T.I. IEEE1394 FireWire interface
  • Features 8 channel High Definition Audio
  • RoHS compliant motherboard for green computing
  • Supports Windows Vista Premium
*Note: If you install AMD AM2+ CPU on AM2 motherbord, the system bus speed will downgrade from HT3.0(5200MHz) to HT1.0(2000 MT/s) spec; however, the frequency of AM2+ CPU will not be impacted. Please refer "CPU Support List" for more information.
  • Introduction
    GIGABYTE Technology latest S series motherboards for AMD socket AM2 platform, featuring with three innovative features- Safe, Smart, and Speed Technologies. The new S series motherboards GA-M55S-S3; supporting AMD new generation AM2 processor with dual channel DDR2 800MHz high frequency memories, providing reliable and user friendly computing and reaching the maximum system performance easily via personalized software settings. GIGABYTE S series motherboards, the champion's choice for AMD Socket AM2 platform!
  • AMD Phenom™ Processors Support
    The AMD Phenom™ processors are an ideal choice for multi-media enthusiasts and intensive multi-tasking environments to offer significant performance boosts and provides an overall more energy efficient platform.
  • Speed
    The Speed compliant motherboards of GIGABYTE S series provide intelligent over-clocking and over-voltage software settings through the well known EasyTune5, R.G.B. and & M.I.T. utilities!...more
  • Smart
    The Smart featured motherboards of GIGABYTE S series provide GIGABYTE proprietary innovative software such as Download Center, @BIOS, Q-Flash, Xpress Install, Boot menu, and Smart Fan. BIOS and driver management now becomes much easier and user friendly through GIGABYTE Smart features!...more
  • Safe
    Safe is the key feature of GIGABYTE S series motherboards with the following elements: Excellent hardware design, reinforced BIOS protection through GIGABYTE Virtual Dual BIOS Technology and GIGABYTE BIOS Setting Recovery Technology. Unique system software such as Xpress Recovery 2, PC Health Monitor, HDD S.M.A.R.T., and C.O.M. further strengthen the stability and reliability of your PC!...more
  • Windows Vista Premium Logo Certified
    Windows Vista Premium promises to deliver a streamlined computing experience designed to fundamentally change how users view, find and organize their digital information. With GIGABYTE AM2+/ AM2 solutions enabling support for Vista Premium, GIGABYTE offers a fresh and unique desktop experience that will be more informative, intuitive and completely new....more
  • Essential Vista
    NVIDIA nForce® motherboards and GeForce® GPUs, world renowned for innovation, stability, and award-winning performance, are the choice of reviewers and consumers worldwide. Together, they are essential ingredients for the best Windows Vista experience.
  • AMD Live Ready
    AMD Live Ready Requirement compliant.
  • AMD Athlon™ 64 FX/ 64 X2 / 64 /Sempron Processor
    The leading-edge performance and unparallel technology of the 8th generation AMD Athlon™64 Socket AM2 series processor has built its strength on the well-known AMD64 framework which consisted of 64-bit computing platform, HyperTransport Technology, and integrated memory controller. The latest Athlon™64 X2 dual-core processor brings the power and multitasking performance on the desktop platform and ensures superior performance on mission critical business applications.
  • NVIDIA 550 MCP
    Packed with the same technology used by the most demanding PC Enthusiasts, NVIDIA nForce® 550 media and communications processors (MCPs) deliver outstanding quality and performance for every PC user. Confidently manage and back-up precious digital files, surf the Internet faster, and play the latest games with technology designed today and ready for tomorrow.
  • PCI Express Interface
    Revolutionary PCI Express interface provides scalable bandwidth for multi-purpose usage. PCI-E x16 interface doubles the bandwidth of graphics interface of previous generation thus delivering the utmost gaming experience. PCI-E x1interface provides twice the bandwidth of PCI interface up to 250MB/s for new generation I/O peripheral devices.
  • Superior Dual channel DDR2 800 Architecture
    AMD Athlon64 FX/ 64 X2 achieves the milestone for desktop computing with the CPU-integrated memory controller. This platform supports dual channel DDR2 800 memory architecture with high bandwidth of up to 12.8 GB/s and shorter memory accessing latency thus delivering the greatest memory performance.
  • SATA 3Gb/s & RAID
    This platform supports reliable storage solution for enhanced data protection and data accessing performance. Serial ATA 3Gb/s is firstly introduced in this platform to provide blazingly 3Gb/s bus bandwidth thus higher disk performance. The NVIDIA® RAID allows multi-disk designs to be set up as RAID 0, 1, based on users' priority of protection/ performance. This NVIDIA RAID function makes the RAID even more accessible by introducing the innovative windows-based facility.
  • Industry's first IEEE1394 motherboard
    This motherboard with IEEE1394 FireWire interface from Texas Instruments (TI). With the transfer speed up to 400Mb/s, the new generation IEEE1394 interface further enhances PC connectivity with consumer electronics audio/video.
  • High Definition Audio
    Experience home theater-quality sound with your PC using High Definition Audio for enhanced 6/ 8-channel* audio, improved voice and communication input, and multi-streaming capability.
    * To use 8-channel HD audio, please use the system case with HD audio front panel featured and see manual for detail configuration.

* The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI Trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
* 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.