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Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX

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Product name:
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Product code :
The brand's unique identifier for a product. Multiple product codes can be mapped to one mother product data-sheet if the specifications are identical. We map away wrong codes or sometimes logistic variants.
The motherboard or mainboard is the component that connects all the different parts of your computer. Often it has some integrated components like a sound card, enabling your computer to play sound, or a network card, to connect your computer to the network. The standard form factor (size) for motherboards is ATX, you need at least a midi-tower to fit one of those in. Micro-ATX motherboards are often more complete and have more onboard devices, like a video board and fit in smaller cases, but are generally less expandable.
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Included since: 19 May 2011
The date Icecat noticed for the first time that this product was included in the price list of a channel partner
Product views: 10839
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Info modified on: 05 Jul 2018 11:03:10
The date of the most recent change of this product data-sheet in Icecat.
Long product name Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX :
The short editorial description of Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX

GA-H55-UD3H (rev. 1.3), Intel H55 Chipset
Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX:
The official marketing text of Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX as supplied by the manufacturer

- Compatible with Windows 7 to deliver the best operation experience
- 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
- High-performance DAC with 108 dB Signal-to-Noise ratio playback quality
- Meet European Union ErP(Energy-related Products) requirement
- Support Intel Core i7/ Core i5/ Core i3 processors with LGA 1156 socket
- 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
- Patented DualBIOS with dual hardware BIOS protection
- Innovative Smart 6 technology for Smarter PC management
- Dynamic Energy Saver 2 technology enables best energy efficiency
- Leading quality standard of Ultra Durable 3 classic technology with 2oz copper PCB design
- Unique On/Off Charge delivers the best recharging capability to iPad, iPhone and iPod Touch

Short summary description Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX:
This short summary of the Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX data-sheet is auto-generated and uses the product title and the first six key specs.

Gigabyte GA-H55-UD3H, 800,1066,1333,1600,1800 MHz, Dual, 1.5 V, 16 GB, Intel, Intel® Core™ i3, Intel Core i5, Intel Core i7

Long summary description Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX:
This is an auto-generated long summary of Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX based on the first three specs of the first five spec groups.

Gigabyte GA-H55-UD3H. Supported memory clock speeds: 800,1066,1333,1600,1800 MHz, Memory channels: Dual, Memory voltage: 1.5 V. Processor manufacturer: Intel, Compatible processor series: Intel® Core™ i3, Intel Core i5, Intel Core i7, Processor socket: LGA 1156 (Socket H). Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek RTL8111E, Networking features: 10/100/1000 Mbit. Motherboard chipset: Intel® H55, Motherboard form factor: ATX, Audio output channels: 7.1 channels. BIOS type: AWARD, BIOS memory size: 128 Mbit, ACPI version: 1.0b

Supported memory clock speeds *
Memory clock speed is the time it takes for a computer to complete basic operations. It refers to the computer's processing speed and is measured in hertz. It is however not such a reliable measure of a computer's speed as it doesn't take into account other factors like RAM and cache size.
800,1066,1333,1600,1800 MHz
Number of memory slots
Memory channels
Memory voltage
The voltage (V) of the memory in the device.
1.5 V
Maximum internal memory
The maximum internal memory which is available in the product.
16 GB
Processor manufacturer *
The manufacturer that produced the processor.
Compatible processor series *
A processor which is compatible with this device, belongs to a 'series' which is part of 'family' e.g Celeron D, Celeron G, Celeron M, or, in some cases, is the same as 'family'.
Intel® Core™ i3, Intel Core i5, Intel Core i7
Processor socket *
Mechanical component(s) that provides mechanical and electrical connections between a microprocessor and a printed circuit board (PCB). This allows the processor to be replaced without soldering.
LGA 1156 (Socket H)
Internal I/O
USB 2.0 connectors *
The end of a cable with a USB 2.0 connector. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), in addition to the "USB 1.x Full Speed" signaling rate of 12 Mbit/s. USB 2.0 connectors are usually colored black.
Number of SATA III connectors *
Serial ATA (Advanced Technology Attachment) (SATA) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives and optical drives. SATA III (revision 3.x) interface, formally known as SATA 6Gb/s, is a third generation SATA interface running at 6.0Gb/s. The bandwidth throughput, which is supported by the interface, is up to 600MB/s. This interface is backwards compatible with SATA 3 Gb/s interface.
Number of Parallel ATA connectors *
The number of connectors (with wires) for parallel ATA (PATA), which is an interface standard for the connection of storage devices such as hard disks, floppy drives, and optical disc drives in computers.
Number of SATA connectors
S/PDIF in connector
S/PDIF out connector
Front panel audio connector
ATX Power connector (24-pin)
Power fan connector
CPU fan connector
Peripheral (Molex) power connectors (4-pin)
White 4-pinned connector used to connect a peripheral to the power supply.
Floppy disk drive connector
Back panel I/O ports
USB 2.0 ports quantity *
Number of USB 2.0 ports (connecting interfaces) in the device. USB 2.0 was released in April 2000 (now called "Hi-Speed"), adding higher maximum signaling rate of 480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s), USB 2.0 ports are usually black.
Ethernet LAN (RJ-45) ports *
Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
PS/2 ports quantity *
The number of PS/2 connectors for keyboards and mice. Its name comes from the IBM Personal System/2.
Back panel I/O ports
VGA (D-Sub) ports quantity *
Number of VGA (D-Sub) ports (connecting interfaces) in the device. The VGA (D-Sub) connector is a 15 pin connector between a computer and a monitor. It was first introduced in 1987 by IBM.
HDMI ports quantity *
The number of sockets (ports) for HDMI connections. HDMI (High-Definition Multimedia Interface) is a compact audio/video interface for transferring uncompressed video data and compressed/uncompressed digital audio data from a HDMI-compliant device ("the source device") to a compatible computer monitor, video projector, digital television, or digital audio device. HDMI is a digital replacement for existing analog video standards.
DVI-D ports quantity *
This is the amount of DVI-I interfaces. Digital Visual Interface (DVI) is a video display interface developed by the Digital Display Working Group (DDWG). The digital interface is used to connect a video source to a display device, such as a computer monitor. DVI-D means DVI digital, which means it can only support digital, but not analog.
Headphone outputs
Number of sockets /ports where headphones are connected.
S/PDIF out port
S/PDIF (Sony/Philips Digital Interconnect Format) is a digital audio interconnect used in consumer audio equipment over relatively short distances. The signal is transmitted over either a coaxial cable with RCA connectors or a fibre optic cable with TOSLINK connectors.
Ethernet interface type
Gigabit Ethernet
LAN controller
Realtek RTL8111E
Networking features
10/100/1000 Mbit
Motherboard chipset *
The chipset connects the microprocessor to the rest of the motherboard.
Intel® H55
Motherboard form factor *
Design of the motherboard (ATX, BTX etc).
Audio output channels *
An audio output channel is an electric circuit which acts as a path for a signal produced by a device. A device may have several audio output channels.
7.1 channels
Audio chip
Realtek ALC889
Expansion slots
PCI Express x1 slots
PCI Express x16 slots
PCI slots
BIOS type *
The BIOS (Basic Input/Output System) initializes and tests system hardware components, and loads a bootloader or an operating system from a mass memory device. The BIOS additionally provides abstraction layer for the hardware, i.e. a consistent way for application programs and operating systems to interact with the keyboard, display, and other input/output devices. There are several types of BIOS, including the motherboard ROM BIOS, video BIOS, drive controller BIOS, network adapter BIOS, and SCSI adapter BIOS.
BIOS memory size
128 Mbit
ACPI version
Clear CMOS button
Power source type
What the power source is.
Weight & dimensions
Width *
The measurement or extent of something from side to side.
305 mm
Depth *
The distance from the front to the back of something.
210 mm
Packaging content
Bundled software
Software distributed with another product such as a piece of computer hardware or other electronic device, or a group of software packages which are sold together. A software suite is an example of bundled software, as is software which is pre-installed on a new computer.
Norton Internet Security (OEM)
Other features
Compatible operating systems
List of desktop operating systems tested as compatible with this product.
Windows 7/Vista/XP
Source Testseek summary Average rating
2011-09-26 15:36:57
Testseek has collected 9 expert reviews for Gigabyte GA-H55-UD3H LGA 1156 (Socket H) Intel® H55 ATX and the average expert rating is 85 of 100. The average score reflects the expert community’s view on this product. Click below and use Testseek to see all ratings, product awards and conclusions.
Source Review comments Score
2011-09-26 15:36:57
With the H55-UD3H, Gigabyte shows a compact motherboard which is based on Intels H55 chipset. Furthermore it is able to make use of Intels integrated graphics chips. In the following review we will show you what this little thing is capable of. The Gig...
Bottom line Allgemein +-The Gigabyte H55-UD3H is one of the first motherboards that support Intels new Core i3 and Core i5 CPUs which feature an integrated graphics chip. Therefore the little board is a prefect basis for a well performing office-PC and the fact th...
2011-09-26 15:36:57
Compact microATX motherboards are all well and good, but they're no substitute for a full-size ATX motherboard if you need the flexibility of lots of expansion slots. Gigabyte's H55-UD3H has plenty – four PCI slots and one PCI Express x1 slot. This is...
Bottom line If you need a LGA1156 motherboard with lots of expansion slots at a reasonable price, Gigabyte's H55-UD3H is a good choice...
2014-03-22 01:20:43
Mit dem H55-UD3H präsentiert Gigabyte ein kompaktes, auf dem H55 basierendes Mainboard, das des weiteren fähig ist Intels Grafikchip zu nutzen. Wie sich das Board behauptet, das lest ihr im folgenden Review. Das Gigabyte H55-UD3H ist eines der ersten I...
Bottom line Generell können wir das Gigabyte H55-UD3H dem Office-und Desktop-User ans Herz legen, die ein Board brauchen mit einer guten Performance. Bewertung Autor: Rediert und übersetzt:...
2011-09-26 15:36:57
Kommen wir zu einem kurzen Schlusswort. Beide Gigabyte-Boards können als durchaus gelungen bezeichnet werden, wobei die Käuferschicht, die Prozessoren mit integrierter Grafik wollen, wohl noch sehr gering ist. Für Standard-Office-PCs ist vorallem das...
2011-09-26 15:36:57
Nei nostri laboratori è giunta la Gigabyte GA-H55A-UD3H, uno dei primi modelli della linea di mainboard Gigabyte equipaggiate con il chipset Intel H55 Express. La prerogativa della linea H55 è quella di supportare la grafica integrata dei nuovi process...
Bottom line La Gigabyte GA-H55A-UD3H è la mainboard che non ti aspetti, nonostante appartenga alla fascia bassa di mercato, e nonostante abbia fatto il suo esordio da poche settimane, mostra una solidità ed un'efficienza nel funzionamento che di solito...
2011-09-26 15:36:57
Una nueva colaboración con Gigabyte supone la llegada a nuestros laboratorios del último chipset de Intel que nos quedaba por analizar. Gracias al gigante taiwanés hemos tendido el placer de probar diferentes soluciones del fabricante para los distin...
Bottom line Después de analizar el último de los chipsets que nos quedaba por ver, tenemos una opinión forjada perfectamente de lo que ofrece cada uno de ellos.Gigabyte permite con la H55-UD3H prácticamente lo mismo que con los chipsets superiores (P55/H57), excep...
2011-09-26 15:36:57
Gigabyte, es uno de los fabricantes mejor valorados del mercado de y para en el que trabaja desde hace más de 22 años. Con una meteórica carrera, expande actualmente su gama de productos con portátiles, dispositivos móviles, periféricos, ser...
Bottom line En líneas generales Gigabyte, ha creado una buena placa base ATX basada en el chipset Intel H55, con un buen nivel de funcionalidades y un funcionamiento y rendimiento excelentes para tratarse de una placa con el chipset H55, que en principio es uno de...
2011-09-26 15:36:57
La semana pasada ya publicamos el primer contacto con la plataforma H55 con este artículo, luego publicamos una noticia resumen de la arquitectura y diferencias entre los chipsets H55 y H57 y ayer mismo publicábamos un breve resumen de las novedades de...
Good Calidad de construcción, Estabilidad, BIOS completa y dual, Capacidad de expansión, Conexiones de casi todo tipo: floppy, IDE, serie...
Bad Se echa en falta alguna tecnología de última generación de almacenamiento externo, No está pensada para refrigerar un buen overclock...
Bottom line En fin, aquí Gigabyte no tiene ninguna culpa, el precio de los procesadores y del chipset los pone Intel. A nivel de funcionamiento y funcionalidades la placa base de Gigabyte es más completa de lo que esperábamos para un chipset H55, que en principio...
2011-09-26 15:36:57
But, in terms of motherboards themselves, both of these motherboards are really, really good. We didn't have any single problem with them and overall we feel that they're a very good deal. Especially if you want to stream HD audio which is something that AMD's 890 chipset can't do. And from time to...
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