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GIGABYTE H55M-S2 mATX LGA1156 H55 DDR3 1PCI-E16 2PCI 6SATA Sound Video GBLAN Motherboard

This product can only be exchanged or replaced with the exact same item.
GIGABYTE H55M-S2 mATX LGA1156 H55 DDR3 1PCI-E16 2PCI 6SATA Sound Video GBLAN Motherboard - 1
Actual product may not be exactly as shown.
GIGABYTE H55M-S2 mATX LGA1156 H55 DDR3 1PCI-E16 2PCI 6SATA Sound Video GBLAN Motherboard - 55279_l.jpg GIGABYTE H55M-S2 mATX LGA1156 H55 DDR3 1PCI-E16 2PCI 6SATA Sound Video GBLAN Motherboard - 55279_1.jpg Customer Photos (0)
Reg. Price: $85.99  CAD
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   Shipping Weight:   3 lbs
   Part #: GA-H55M-S2

Features    [ Edit | History ]
Quick Specs:
Maximum Memory 16 GB
Form Factor Micro ATX
Processor Supported Core i5 Core i7 Core i3 Pentium Dual-core
Total Processor Supported 1
Controller Type Serial ATA/300
Processor Socket Socket H LGA-1156
Memory Technology DDR3 SDRAM
Processor Technology Enhanced SpeedStep Technology
Memory Standard DDR3-1333/PC3-10600 DDR3-1066/PC3-8500 DDR3-800/PC3-6400
Width 9.6"
Depth 8.3"
64-bit Processing Yes
Chipset Manufacturer Intel
Chipset Model H55 Express
Number of Memory Slots 2
Number of PCI Slots 2
Audio Channels 5.1
Gigabit Ethernet Yes
Number of SATA Interfaces 6
Number of PCI Express x1 Slots 1
Number of Total Expansion Slots 4
Number of PCI Express x16 Slots 1
Network (RJ-45) Yes
Total Number of USB Ports 8
PS/2 Port Yes
Number of PS/2 Ports 2
Total Number of Onboard USB Ports 2
Total Number of PCI Express Slots 2

Specifications    [ Edit | History ]
     Audio Channels: 5.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC888B
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GA-H55M-S2
     Manufacturer Website Address:
     Product Model: GA-H55M-S2
     Product Name: GA-H55M-S2 Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/300
I/O Expansions  
     Number of PCI Express x1 Slots: 1
     Number of PCI Express x16 Slots: 1
     Number of PCI Slots: 2
     Number of Total Expansion Slots: 4
     Total Number of PCI Express Slots: 2
     Audio Line In: Yes
     Audio Line Out: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of PS/2 Ports: 2
     Number of USB 2.0 Ports: 8
     PS/2 Port: Yes
     Total Number of USB Ports: 8
     VGA: Yes
     Maximum Memory: 16 GB
     Memory Standard: DDR3-1333/PC3-10600
     Memory Technology: DDR3 SDRAM
     Number of Memory Slots: 2
Network & Communication  
     Gigabit Ethernet: Yes
Onboard Interfaces  
     Number of SATA Interfaces: 6
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Total Number of Onboard USB Ports: 2
Physical Characteristics  
     Depth: 8.3"
     Form Factor: Micro ATX
     Width: 9.6"
Processor & Chipset  
     64-bit Processing: Yes
     Chipset Manufacturer: Intel
     Chipset Model: H55 Express
     Processor Socket: Socket H LGA-1156
     Processor Supported: Core i5
Core i7
Core i3
Pentium Dual-core
     Processor Technology: Enhanced SpeedStep Technology
     Total Processor Supported: 1

Gigabyte GA-H55M-S2 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Gigabyte GA-H55M-S2 reviews.
Experience: 5 Months
 Verified Owner
Stable great MB for a HTPC
Used this MB for my HTPC. Low power consumption and built in features just in case the PC was shut off by mistake, which happened with my Harmony One. Definitely will use this on other builts

Experience: 5 Months
 Verified Owner
- Cheap price, even more with the bundle
- Has onboard lan, sound and video
- matx so much fewer options
- Doesn't have usb3 and sata3
Great motherboard for everyday needs, I put a i3 530 with it and it works flawlessly after 5 months. Never had any trouble with Gigabyte, so far.

Experience: 1 Days
Overall good value. Bought it as a combo with an intel i3 540. Made for a nice inexpensive upgrade to a workstation.
Surprised by the lack of IDE which slowed down the upgrade... aside from that nothing I wouldn't expect of a decent budget board.
Overall pleased with the value and features provided. Would be ideally suited to an HTPC or budget workstation. Hard to beat the price.

Experience: 1 Weeks
 Verified Owner
Value board,yet packs lots of useful features.
PCIE 2.0
Great OC utility.
On/Off charge + 3X USB power (not USB 3.0 though)
Support CPU integrated graphics
6 SATA ports
Dual Bios
No USB 3.0 (heh is the value brand remember)
Only 2 Fan ports (make sure you have good fans)
Only has dual channel memory slots (not much space for anything more)
Only has 1 PCIE X 16 slot, so no SLI/Crossfire. (value brand, can't expect too much)
Bought in a bundle with core i3 530.

I was using under LGA 775 before the upgrade, the jump from DDR2 to DDR3, as well as PCIE 1.0 to 2.0 were good value for the money.

The compact design of the board makes it easier to install in mid cases. It sacrifices expansion ports for the value and space. It is the entry borad for the present generation of processors/rams.

Although been said it is a value board, it still has enough perks for you to enjoy it. Like the easy tune 6, it offers software overclocking, so you can tune the CPU in the OS. It has some basic predefined rates for the processor to overclock to, so it gives you an entry point to even higher rates.

It also has hotkey OC, that means you can change speed on the go, even in the middle of benchmarking. The cloud OC lets you control the speed from any other wireless devices.

For a budget build, it is a very good choice. Although it can't compare to those of high-end design, it does keep up with the present technology standards to offer you bang for the buck.

Experience: 3 Weeks
 Verified Owner
Works great as a hackintosh
No IDE port. Cramped design means that you can't use the PCIe slot for a video card without blocking some of the SATA ports.
I picked this up to make a hackintosh because it was the cheapest i3 compatible board available. OSX runs flawlessly on this board.

Experience: 2 Weeks
 Verified Owner
Cheap board.
I bought this with the i3 for a HTPC build. But wasn't reading carefully enough to notice there is no HDMI port on board. VGA only. So I have to put another video card.
Besides that, it's a good board, lots of features. I love the power-off USB charging thing. It lets you charge your device even then the PC is off.

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Product Warranty
First 30 days limited warranty through The remainder of the 3 year warranty is provided directly by the manufacturer.

Currently Gigabyte accepts end users’ requests on RMA service.
Motherboards, Video cards, servers and Rackmount server boards carry three years limited warranty.

Warranty Effective On Date of Manufacture

Gigabyte determines warranty based on the manufacture date. The manufacture date can be verified by the serial number found on the product. The first four digits after "SN" determine the year and week of manufacturing date. For example:

"01)04719331729028(21) SN0213030585" represents the 13th week of 2002

RMA Request Procedures and Guidelines

  • All RMA request forms must be completed in order to obtain a RMA number

  • RMA request with missing or incorrect serial number(s) may result in a delayed process or a rejection of request

  • Any model discrepancy for received items may result in a delayed processing timeProducts received with no RMA number may delay processing or refusal
    (Gigabyte will not be responsible for items received without proper information)
  • No cross shipping or advanced replacements under any circumstances

  • Products will either be repaired or replaced at our discretion

  • Replacements may include new or refurbished products
    (Replacements will be for the exact or equivalent product)
  • Average turnaround time will be 2-3 business working weeks upon receipt (applies to quantities not exceeding 20 pieces)
  • If the information on your request varies from the actual item(s) received, RMA will be based on the actual item(s) received
  • RMA numbers will be valid for 30 days after issued date
  • Gigabyte will provide one way freight via UPS or FedEx ground free of charge
  • For consecutive violation for No Trouble Found (NTF), a testing fee per NTF board or system may apply.

Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Graphic Accelerator Cards (VGA)
    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
  • Servers(Server Boards/Barebone Server System)
    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
    • Rackmount server boards carry a 3 year limited warranty (First 2 years parts and labor, 3rd year labor only)
    • Rackmount components carry a 2 year limited warranty
  • PC Barebones System
    • Motherboards assembled with barebones systems carry a 3 years limited warranty (1st year parts & labor, 2nd and 3rd year labor only)
      * Gigabyte shall provide the fees/charges for parts upon testing of motherboards in their 2nd and 3rd year of warranty
  • Peripherals (Coolers, Keyboards, Mouse, Optical Devices, etc.)
    • All peripherals carry a 1 year limited warranty
  • Notebook
    • All notebooks carry a 1 year limited warranty
  • Wireless and Networking Products
    • All wireless and networking products carry a 1 year limited warranty

Please register at your RMA account!

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

Defective software, video games or DVDs will be replaced by the SAME title and format ONLY (and subject to current availability) within 30 days of the Invoice date. Software, video games and DVDs may be returned within 30 days only if the item is UNOPENED (with shrink wrap still intact) at the sole discretion of does NOT apply a surcharge to credit card orders. Please read our RMA & warranty policy and terms & conditions for more information. If you have any questions regarding our sales and warranty policies, please send us a message -- we'll be glad to answer any of your questions.

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