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GA-H55M-S2H (rev. 1.0)
Intel® H55 Chipset  
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  • Compatible with Windows 7 that delivers the best operation experience
  • Patented GIGABYTE DualBIOS™ technology delivering highest level failure protection
  • Supports Intel Core i5/ Core i3 LGA1156 processors featuring integrated Intel HD Graphics
  • Easy BIOS setting for GPU overclocking
  • Supports 6 devices without the need for drivers to be installed before being fully operational
  • HDMI/DVI interface for smoother HD video playback
  • Meet European Union ErP(Energy-related Products) requirement
  • Enhanced Intel HD Graphics integrated with the processor
  • 2 PCI-E 2.0 x16 graphics interface(x16+x4) with ATI CrossFireX support for ultimate graphics performance
  • 3X USB power delivery for greater compatibility and extra power for USB devices
  • AutoGreen technology Greening your PC via Bluetooth cellphone
  • Innovative Smart 6 technology for Smarter PC management
  • Dynamic Energy Saver™ 2 technology enables best energy efficiency
  • Unique On/Off Charge delivers the best recharging capability to iPad, iPhone and iPod Touch
Excellent Intel® HD Graphics performance - 3DMARK VANTAGE E8000+ marks!!
3DMARK VANTAGE E8000+ marks on H57/H55 system configuration
Intel Core i5 661, CPU@4.8GHz, GPU@ 900MHz, 4GB DDR3-1760(OC), Vista 32, 3DMARK VANTAGE.

* E8000+ marks in 3DMARK VANTAGE was achieved by overclocking.
* Please be aware that GIGABYTE's product warranty does not cover damages caused by overclocking.
Intel® Core™ i7 / Core™ i5 / Core™ i3 LGA 1156 Processors

supporting the latest intel® core™ i7, core™ i5 and core™ i3 processors featuring the first time ever integrated graphics on chip and lga 1156 socket(core™ i5 and core™ i3 processors only), gigabyte h5x series motherboards set a new standard in multimedia platform for high definition contents playback. with the gpu integrated directly into the processor die, gigabyte h5x motherboards support 2 channel ddr3 memory, wide range of display interfaces that includes vga, dvi, hdmi and displayport (depends on model). additionally, the gigabyte h5x series are optimized for greater graphics performance by enabling overclocking the gpu core frequency for a performance gain of up to 13%.
*onboard motherboard display functionality requires a processor with intel graphics technology.
On/Off Charge Technology
GIGABYTE On/Off Charge technology allows you to charge your iPhone, iPad and iPod Touch regardless of whether your PC is on, in standby mode or even off. A derivative of GIGABYTE's highly acclaimed 3x USB Power feature, On/Off Charge enables devices to draw more current from GIGABYTE motherboard USB ports than standard USB ports allow, so that charging from your PC can be as fast as with a charger...more
Note: Due to certain mobile phone limitations, users may need to connect the mobile phone to their PC before the PC enters S4/S5 mode to enable a quick charge from non On/Off Charge USB ports. Charging results may vary by model.
*Whether to support 3X USB power design, it may vary by models.

On/Off Charge Driver download
Cloud OC
GIGABYTE Cloud OC is a free overclocking application that facilitates PC overclocking through any web browsing capable device such as a smart phone, iPad, iPhone, Netbooks or notebook PC. Being browser based it connects via wireless Internet, Bluetooth or through an Ethernet cable and its many functions are categorized into three tabs: Tuner, System Info and Control...more
Hotkey OC
GIGABYTE Hotkey OC allows users to create and save various profiles that can be adopted for different benchmarks. Hotkey OC then allows users to jump between these profiles on the fly so that the best profile for each segment within the benchmark can be used to optimize scores and boost overall performance. So, for example, when running 3DMark 06, the 1st profile might be optimized for graphics and can be used for the first two graphics tests, then, the next two tests can utilize the 2nd profile which might be optimized for CPU tests, and one could jump back to the 1st profile again for the final two graphics (shader) tests...more


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

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.

Norton™ Internet Security
Fast, comprehensive, and up-to-the-minute protection against online threats. It safeguards your computer, identity, and home network without slowing you down. It sets a new standard for speed and makes online shopping, banking, and browsing safer and more convenient than ever.

AutoGreen - Greening your PC via Bluetooth cellphone
AutoGreen technology can automatically save power by simply putting your PC in a state of sleep when your Bluetooth® cell phone is out of range of your computer.
Note: GIGABYTE motherboards do not include a Bluetooth® receiver; the addition of a 3rd party Bluetooth receiver is required.
ErP Lot 6 support

The ErP (also known as Energy-Related Products Directive) is part of the European Union's environmental regulations policy. It is based on concern for the environmental as the proliferation of electronic devices continues, and how to improve energy efficiency for a better and greener life. GIGABYTE supports ErP and produces motherboards that help you effectively improve system efficiency.
* 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.