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Ifyou\'re about our item have any concern, please don\'t hesitate tocontact us. Since the time difference, perhaps we\'ll reply you late forseveral hours, thank your very much for your understanding.

Notes:
A. The battery is not included and Customs don\'t allow.
B.If the motherboard can\'t work correctly, please first check your CPU whether can be compatible with our motherboard, then check your video card or power supply.
C.Please DO NOT use single-side memory, most motherboards can\'t support such memory.
D. We DO use genuine brand memory, please do not use fake memory or if you\'re not sure whether your memory fake or not, please do not try it on our motherboard.

Gigabyte GA-H55M-D2H V1.4 Motherboard Introduction

CPU

1. Support for an Intel® Core™ i7 series processor/Intel® Core™ i5 series processor/ Intel® Core™ i3 series processor in the LGA1156 package (Go to GIGABYTE\'s website for the latest CPU support list.)
2. L3 cache varies with CPU

Chipset

Intel® H55 Express Chipset

Memory

1. 2 x 1.5V DDR3 DIMM sockets supporting up to 8 GB of system memory (Note 1)
2. Dual channel memory architecture
3. Support for DDR3 2200+/1800/1600/1333/1066/800 MHz memory modules
4. Support for non-ECC memory modules
5. Support for Extreme Memory Profile (XMP) memory modules

* To reach DDR3 2200 MHz and above, you are required to use with Intel Core i7/Core i5 CPU without HD Graphics and install a discrete graphics card.
When using Intel Core i5/Core i3/ Pentium CPU with HD Graphics, the maximum memory speed supported is 1666 MHz
* Go to GIGABYTE\'s website for the latest memory support list.

Onboard Graphics

Integrated in the Chipset:

1. 1 x D-Sub port (Note 2)
2. 1 x DVI-D port (Note 2) (Note 3) (Note 4)
3. 1 x HDMI port(Note 2) (Note 4)

Audio

1. Realtek ALC888B codec
2. High Definition Audio
3. 2/4/5.1/7.1-channel
4. Support for S/PDIF In/Out
5. Support for CD In

LAN

1 x Realtek RTL8111E chip (10/100/1000 Mbit)

Expansion Slots

1. 1 x PCI Express x16 slot, running at x16 (PCIEX16) (Note 5) (The PCIEX16 slot conforms to PCI Express 2.0 standard.)
2. 1 x PCI Express x16 slot, running at x4 (PCIEX4) (Note 6)
3. 2 x PCI slots

Multi-Graphics Technology

Support for ATI CrossFireX™ technology(Note 6)

Storage Interface

Chipset:

1. 6 x SATA 3Gb/s connectors supporting up to 6 SATA 3Gb/s devices

JMicron JMB368 chip:

1. 1 x IDE connector supporting ATA-133/100/66/33 and up to 2 IDE devices

iTE IT8720 chip:

1. 1 x floppy disk drive connector supporting up to 1 floppy disk drive

USB

Chipset:

1. Integrated in the Chipset
2. Up to 12 USB 2.0/1.1 ports (8 on the back panel, 4 via the USB brackets connected to the internal USB headers)

Internal I/O Connectors

1. 1 x 24-pin ATX main power connector
2. 1 x 4-pin ATX 12V power connector
3. 1 x floppy disk drive connector
4. 1 x IDE connector
5. 6 x SATA 3Gb/s connectors
6. 1 x CPU fan header
7. 1 x system fan header
8. 1 x front panel header
9. 1 x front panel audio header
10. 1 x CD In connector
11. 1 x S/PDIF In header
12. 1 x S/PDIF Out header
13. 2 x USB 2.0/1.1 headers
14. 1 x serial port header
15. 1 x clearing CMOS jumper

Back Panel Connectors

1. 1 x PS/2 keyboard or PS/2 mouse port
2. 1 x D-Sub port (Note 2)
3. 1 x DVI-D port (Note 2) (Note 3) (Note 4)
4. 1 x HDMI port (Note 2) (Note 4)
5. 1 x optical S/PDIF Out connector
6. 8 x USB 2.0/1.1 ports
7. 1 x RJ-45 port
8. 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone)

I/O Controller

iTE IT8720 chip

H/W Monitoring

1. System voltage detection
2. CPU/System temperature detection
3. CPU/System/Power fan speed detection
4. CPU overheating warning
5. CPU/System/Power fan fail warning
6. CPU/System fan speed control (Note 7)

BIOS

1. 2 x 64 Mbit flash
2. Use of licensed AWARD BIOS
3. Support for DualBIOS™
4. PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b

Unique Features

1. Support for at BIOS
2. Support for Q-Flash
3. Support for Xpress BIOS Rescue
4. Support for Download Center
5. Support for Xpress Install
6. Support for Xpress Recovery2
7. Support for EasyTune
8. Support for Dynamic Energy Saver™ 2
9. Support for Smart 6™
10. Support for Auto Green
11. Support for ON/OFF Charge
12. Support for Q-Share

Form Factor

MicroATX Form Factor; 24.4cm x 21.0cm

Remark

 Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors\' website or 3rd party website.

 Most hardware/software vendors may no longer offer drivers to support Win9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.

Note

(Note 1) Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB.
(Note 2) To use the onboard D-Sub, DVI-D, HDMI, you must install an Intel CPU with integrated graphics.
(Note 3) The DVI-D port does not support D-Sub connection by adapter.
(Note 4) You can use only one of the onboard digital graphics ports (e.g. DisplayPort, HDMI, and DVI-D) for output when in the BIOS Setup program or when during the POST screens.
(Note 5) For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
(Note 6) The PCIEX16 slot operates at up to x4 mode when ATI CrossFireX™ is enabled.
(Note 7) Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install.
(Note 8) Available functions in EasyTune may differ by motherboard model.

• Unique On/Off Charge delivers the best recharging capability to iPad, iPhone and iPod Touch
• 3x USB power delivery for greater compatibility and extra power for USB devices
• Innovative Smart 6 technology for smarter PC management
• Supports Intel Core™ i7/ Core™ i5/ Core™ i3 LGA1156 processors
• Dynamic Energy Saver™ 2 technology enables best energy efficiency
• 2 PCI-E 2.0 x16 graphics interface(x16+x4) with ATI CrossFireX support for ultimate graphics performance
• AutoGreen technology Greening your PC via Bluetooth cellphone
• Patented DualBIOS™ technology delivering highest level failure protection
• Easy BIOS setting for GPU overclocking
• Supports 6 devices without the need for drivers to be installed before being fully operational
• Enhanced Intel HD Graphics integrated with the processor
• Integrated HDMI/ DVI interface for smoother HD video playback
• Compatible with Windows 7 to deliver the best operation experience
• Meet European Union ErP(Energy-related Products) requirement

ShippingEconomy shipping :Usually To all countries will be shipped via AIR MAIL ,not Expedited shipping.Usually to (USA UK CA AU )need 15-25 days arrive other country 15-35 days.

Expedited shipping:USA,UK,EU, CA ,AUS ,Europe Usually need 3-5 days arrive.other country 4-7 days,(according to your country)...

Please note The customs（tariff） is not included in the item price or shipping fees. These charges are the buyer\'s responsibility. Please check with your country\'s customs office to determine what these additional costs will be prior to offerding or buying.
We can not mark item as \"gift\", since Your Country customs and international customs regulations prohibit such behavior, thank you for your understanding.

After Sale:

• Warranty:All items are sold with 90 days warranty unless otherwise stated in the sale

• Returlns:1) In our item warranty, we can offer refund or replacement.2) We do the refund after we get the returned item, we can ship the replaced item after you ship the old one out.3) Please do not return any items without an authorization number or other instructions by us. Any packages that are send without our knowledge will be refused and no replacements will be issued. Wrong item ordered or non defective part returns require a 20% restocking fee. All products are marked with serial number and QC badge.Any products returned without our serial number and QC badge will be rejected as not our parts..

Our working hours are from Monday to Friday China time from 8.00 to 16.00 clocks.
If you would like to purchase a project to ask questions or concerns or items, please contact us via Mail System and we will be happy to help you.
If you are working outside of your normal business hours, please wait until the next business day and we will answer your questions and resolve any questions you may encounter. Please allow us to assist you during normal business hours.
If you contact us on weekends, your questions or questions will be answered from Monday to Friday from 8 am to 4 pm during normal business hours.

Package include:1* motherboard2* SATA cables1* I/O pannel