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GIGABYTE H55N-USB3 Mini ITX LGA1156 H55 DDR3 1PCI-E16 DVI HDMI Sound GBLAN eSATA USB3.0 Motherboard

This product can only be exchanged or replaced with the exact same item.
GIGABYTE H55N-USB3 Mini ITX LGA1156 H55 DDR3 1PCI-E16 DVI HDMI Sound GBLAN eSATA USB3.0 Motherboard - 1
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GIGABYTE H55N-USB3 Mini ITX LGA1156 H55 DDR3 1PCI-E16 DVI HDMI Sound GBLAN eSATA USB3.0 Motherboard - 53710_l.jpg GIGABYTE H55N-USB3 Mini ITX LGA1156 H55 DDR3 1PCI-E16 DVI HDMI Sound GBLAN eSATA USB3.0 Motherboard - 53710_1.jpg Customer Photos (0)
Reg. Price: $112.98  CAD
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   Shipping Weight:   3 lbs
   Part #: GA-H55N-USB3
 May We Also Suggest

Features    [ Edit | History ]

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%.

Quick Specs:
Maximum Memory 8 GB
Form Factor Mini ITX
Processor Supported Core i5 Core i7 Core i3
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 6.7"
Depth 6.7"
64-bit Processing Yes
Chipset Manufacturer Intel
Chipset Model H55 Express
Number of Memory Slots 2
Graphics Controller Manufacturer Intel
Audio Channels 7.1
Gigabit Ethernet Yes
Number of SATA Interfaces 5
Onboard Video On-board Video Chipset
Number of Total Expansion Slots 1
Number of PCI Express x16 Slots 1
Network (RJ-45) Yes
Total Number of USB Ports 6
Number of USB 3.0 Ports 2
PS/2 Port Yes
Number of PS/2 Ports 1
Total Number of Onboard USB Ports 2
Onboard S/PDIF Header Yes
Total Number of PCI Express Slots 1

Specifications    [ Edit | History ]
     Audio Channels: 7.1
     Sound Controller Manufacturer: Realtek
     Sound Controller Model: ALC892R
General Information  
     Brand Name: Gigabyte
     Manufacturer: GIGABYTE Technology, Inc
     Manufacturer Part Number: GA-H55N-USB3
     Manufacturer Website Address:
     Product Model: GA-H55N-USB3
     Product Name: GA-H55N-USB3 Desktop Motherboard
     Product Type: Desktop Motherboard
I/O Controller  
     Controller Type: Serial ATA/300
I/O Expansions  
     Number of PCI Express x16 Slots: 1
     Number of Total Expansion Slots: 1
     Total Number of PCI Express Slots: 1
     Audio Line In: Yes
     Audio Line Out: Yes
     DVI: Yes
     eSATA: Yes
     HDMI: Yes
     Microphone Port: Yes
     Network (RJ-45): Yes
     Number of DVI Outputs: 1
     Number of HDMI Outputs: 1
     Number of PS/2 Ports: 1
     Number of S/PDIF Out Ports: 1
     Number of USB 2.0 Ports: 4
     Number of USB 3.0 Ports: 2
     PS/2 Port: Yes
     S/PDIF: Yes
     Total Number of USB Ports: 6
     VGA: Yes
     Maximum Memory: 8 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: 5
     Onboard Audio Header: Yes
     Onboard LEDs Header: Yes
     Onboard S/PDIF Header: Yes
     Total Number of Onboard USB Ports: 2
Physical Characteristics  
     Depth: 6.7" (170 mm)
     Form Factor: Mini ITX
     Width: 6.7" (170 mm)
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
     Processor Technology: Enhanced SpeedStep Technology
     Total Processor Supported: 1
     Graphics Controller Manufacturer: Intel
     Onboard Video: On-board Video Chipset

Gigabyte GA-H55N-USB3 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-H55N-USB3 reviews.
Experience: 90 Days
 Verified Owner
Great feature set
itx form factor
plenty of bios options
Computer would shut itself off after 5-10 minutes even while in the bios, "forgot bios settings"
I'll be rma'ing this thing after running flawlessly for 2-3 months it started shutting itself off. I replaced everything with spare parts and bench built it, until the only thing left was the motherboard so I bought a new one locally and tried it out, fixed the problem instantly. Hopefully it was an isolated case and the new one works longer.

Experience: 1 Days
8GB ram
1156 cpu
PCI-E16 slot
cpu heatsink could interfere with video cards
was originally building i3-540 micro-ATX HTPC for my neighbor, but his entertainment unit was not deep enough for even the shortest micro atx cases. I found this ITX size 1156 board and that really opened the options to run a smaller case.

This little board is fully optioned, you can OC just as you would with a micro atx board, run 2 sticks of ram, run a video card (if desired).

Overall, very happy with the board for this build, would recommend this board to anyone looking to build a small form pc with (mostly) current CPU's.

Experience: 1 Months
good options and ports on a small pacakge
no sata 3
i bought this for a mid end gaming rig i put together

cpu = i5 750

ram = 8gb 4x2 ddr3 1600

gpu = 5870 1gb

i wanted a ITX rig for the small desktop footprint size

i had a intel socket 775 itx rig before and the options on this board are a nice step up from intel

Experience: 2 Months
 Verified Owner
nice layout.optical audio out
their mir system is far from being perfect
I use this motherboard for an htpc. fits perfectly in a Q07. be careful what king of cooler you are choosing. There is some component that might get in the way of a backplate. 6 usd post is not that much and there is only 1 header on the board.

Experience: 1 Months
 Verified Owner
+USB 3.0
+Low power consumption
-Socket close to PCI-E making aftermarket low profile heatsinks hard to find.
Got this just out of nowhere to replace my MCE system. It uses less power yet is loads faster. This one can actually game thanks to its 5770. My only complaint would be the cpu socket is very close to the pci-e slot. This makes finding a nice low profile after market heatsink harder to find. For now, i have my e6600 stock heatsink bolted on(cooler and quieter then the I5 one).

Experience: 3 Months
 Verified Owner
m-ITX with USB3.0
cpu socket - pcie slot - RAM slot arrangement (problem with all H55 mobo)
not many usb sockets
Running i5 750 with 5870 on this mobo and it has been very solid. USB3.0 is just future proof, but need to install drivers in Windows in order to use the USB3.0 sockets.
Wish there were more usb sockets on back pannel. Only 6 including the 3.0 ones.
Overall, very satisfied.

Experience: 4 Days
ATX connector placement
some might need more SATA ports or Wi-Fi
Overall, it's a good and solid motherboard.
It has lots of options in BIOS, but I do not OC, so ...
Also, I do not use RAID, so I do not miss it.
Wi-Fi could have been nice, but my HTPC is right next to my router, so running a cable is not a problem to me.
I like the ATX connector placed on the side, not right next to the RAM like Zotac's or DG45FC from Intel. I used them both and the cables were pushing against the RAM or the back of the slim optical drive SATA adapter.
My build involves a slim optical drive and a Compucase ITX-200B case, so the CPU fan clearance was never an issue (I'm using the stock cooler from i3-530).
Have fun with your new build :)

Experience: 4 Days
 Verified Owner
-Excellent layout
-Tons of features
-Full PCI-E 2.0 x16 slot
-Ultra Durable Line
-Only 4 SATA ports (other H55 boards have 6)
-Chipset cooler is kind of weak
This is a great board, I'm using it with a Core i3 in the Apex MI-008. Clearance around the RAM was a little tight for the CPU cooler however this was to be expected.

The Ultra Durable line really sealed this one for me and I have no regrets. The features are excellent (USB3 and eSata for storage expansion) and is very nice to work with.

Unfortunately the chipset cooler isn't very good (it's got plenty of airflow). It's idling around 45C-49C which is kind of alarming for me, I will likely replace the cooler with something from Zalman or get an active low-profile cooler.

Overall this board is highly recommended for Mini-ITX builds. The SATA is lacking but everything overwhelming makes up for that.

diabolic c
Experience: 1 Days
awesome board
-none yet
great board ive reviewed and purchased it.

about to install it and i have this warning for people..


the stock heatsink for an i3 cpu has a space conflict about 1mm into my ssd hard drive.

just a heads up!

Experience: 1 Months
Awesome mobo, supports i7. see summary
I bought this to replace an intel DH57JG which I was having problems with. I was having lots of image tearing, as soon as I installed this, the problem was gone. I love this mobo because it will let me upgrade cpu if I ever wanna do it. The bios also has a lot more features then the DH57JG (imo). I wouldnt get the DFI since rma and supports is probably non-existant at this point since they stopped making LP mobos. Therefore I would consider this to pretty much be the best Mini-ITX LGA1156 mobo you can buy.

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Messages about GIGABYTE H55N-USB3 Mini ITX LGA1156 H55 DDR3 1PCI-E16 DVI HDMI Sound GBLAN eSATA USB3.0 Motherboard

Compatible northbridge cooler? (Tom_C- Dec 01, 10, 2 Replies) Read this message
Heatsink Height and Mini ITX case (John_W- Sep 19, 10, 7 Replies) Read this message
Wake on Lan (luke_z- Aug 27, 10, 2 Replies) Read this message
Heatsink choices? (Devon_S- Aug 20, 10, 6 Replies) Read this message
Delayed? eta? (Dinesh_N- Jun 05, 10, 2 Replies) Read this message

Post a New Message  |    All Messages       Browse NCIX Forums

Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: A great little board.
Posted by: BernardP @02/18/11
Comment: Overall performance is exceptional, but the smaller form factor does raise several questions about how to properly use a high powered Mini-ITX motherboard.
Posted by: BernardP @01/20/11
Comment: Performs well, but the Mini-ITX form factor has inherent limitations.
Posted by: BernardP @01/19/11
Comment: The performance of the GIGABYTE H55N-USB3 motherboard is outstanding. It performs better than the competition in the majority of the tests, but also has great overclocking capabilities.
Posted by: BernardP @11/26/10
Comment: Overall we can see the Gigabyte H55N-USB3 is a nice board that performs well. The price is a bit higher than ATX and µATX boards, but if you are looking for the smallest solution possible the Gigabyte is a good candidate.
Posted by: Lord Babaghan @07/24/10
Posted by: Josiah_V @07/20/10
Posted by: wayco420 @06/04/10
Posted by: wayco420 @06/04/10
Submit a review link   |   Latest 30 reviews
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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:

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Warranty Period by Product

  • Motherboards
    • All motherboards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
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    • All graphic cards carry a 3 year limited warranty (First 2 years parts & labor, 3rd year parts only)
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    • Server Boards carry a 3 years limited warranty (First 2 years parts & labor, 3rd year labor only)   
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  • 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
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    • All notebooks carry a 1 year limited warranty
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    • All wireless and networking products carry a 1 year limited warranty

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