- May 19, 2005
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Gigabyte Z77X-UD4H
Introduction
The Gigabyte Z77X-UD4H is one of Gigabytes new series of Ultra Durable 4 Z77 chipset based motherboard for the socket 1155 CPU?s from Intel. The Z77 chipset launched in support of Intel's new Ivy Bridge series of processors.
This board is aimed at the enthusiast overclocker on a budget, someone who wants a full featured and cutting edge motherboard, but doesn?t want to break the bank. They don't want to sacrifice any performance, they want it all and want to keep the price in check.
The Z77X-UD4H fills in this role in Gigabytes lineup, and provides full access to all the features of the Z77 chipset.
The product webpage for the Gigabyte Z77X-UD4H can be found here:
http://ca.gigabyte.com/products/product-page.aspx?pid=4413#ov
Board Layout
Gigabyte has gone once again to a black PCB. The heatsinks have been given a very tasteful black and gunmetal grey with some blue pinstripes. It?s a handsome board for sure.
The board is SLI and CrossfireX compatible up to 2-way.
Expansion port layout is as follows:
1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
1 x PCI Express x16 slot, running at x8 (PCIEX8)
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x8 mode.
* Whether PCI Express 3.0 is supported depends on CPU and graphics card compatibility.
1 x PCI Express x16 slot, running at x4 (PCIEX4)
* The PCIEX4 slot shares bandwidth with all PCI Express x1 slots. All PCI Express x1 slots will become unavailable when a PCIe x4 expansion card is installed.
3 x PCI Express x1 slots
(All PCI Express x1 slots conform to PCI Express 2.0 standard.)
1 x PCI slot
The socket area is typical for a socket 1155 board with plenty of space for even very large CPU coolers. The heatsinks surrounding the socket cool the power circuitry. They are well finned and provide excellent cooling.
There are the usual 4 DIMM slots to the right of the CPU socket area color coded to indicate proper installation.
On the upper right hand side of the board we find Power, Reset and Clear CMOS buttons. This is becoming the standard for a board in this price range.
Gigabyte has again chosen to include easily accessible voltage monitoring points on the board as well. This is a very welcome addition for the serious overclocker.
There is an internal header for additional USB 3.0 front ports between the DIMM slots and ATX power connector.
There is an additional SATA power connector on the edge of the board to help provide additional power to the PCI-E slots when running SLI or CrossfireX.
There are 8 SATA ports on the board, grouped together along the right edge. The white and black ports are the native Intel SATA connections. They are color coded, white for SATA 3, and black for SATA 2.
The other 2 connectors (grey) are provided by a Marvell 88SE9172 chip.

Introduction
The Gigabyte Z77X-UD4H is one of Gigabytes new series of Ultra Durable 4 Z77 chipset based motherboard for the socket 1155 CPU?s from Intel. The Z77 chipset launched in support of Intel's new Ivy Bridge series of processors.


This board is aimed at the enthusiast overclocker on a budget, someone who wants a full featured and cutting edge motherboard, but doesn?t want to break the bank. They don't want to sacrifice any performance, they want it all and want to keep the price in check.
The Z77X-UD4H fills in this role in Gigabytes lineup, and provides full access to all the features of the Z77 chipset.
The product webpage for the Gigabyte Z77X-UD4H can be found here:
http://ca.gigabyte.com/products/product-page.aspx?pid=4413#ov
Board Layout
Gigabyte has gone once again to a black PCB. The heatsinks have been given a very tasteful black and gunmetal grey with some blue pinstripes. It?s a handsome board for sure.

The board is SLI and CrossfireX compatible up to 2-way.
Expansion port layout is as follows:
1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot.
1 x PCI Express x16 slot, running at x8 (PCIEX8)
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot will operate at up to x8 mode.
* Whether PCI Express 3.0 is supported depends on CPU and graphics card compatibility.
1 x PCI Express x16 slot, running at x4 (PCIEX4)
* The PCIEX4 slot shares bandwidth with all PCI Express x1 slots. All PCI Express x1 slots will become unavailable when a PCIe x4 expansion card is installed.
3 x PCI Express x1 slots
(All PCI Express x1 slots conform to PCI Express 2.0 standard.)
1 x PCI slot

The socket area is typical for a socket 1155 board with plenty of space for even very large CPU coolers. The heatsinks surrounding the socket cool the power circuitry. They are well finned and provide excellent cooling.

There are the usual 4 DIMM slots to the right of the CPU socket area color coded to indicate proper installation.

On the upper right hand side of the board we find Power, Reset and Clear CMOS buttons. This is becoming the standard for a board in this price range.
Gigabyte has again chosen to include easily accessible voltage monitoring points on the board as well. This is a very welcome addition for the serious overclocker.

There is an internal header for additional USB 3.0 front ports between the DIMM slots and ATX power connector.
There is an additional SATA power connector on the edge of the board to help provide additional power to the PCI-E slots when running SLI or CrossfireX.

There are 8 SATA ports on the board, grouped together along the right edge. The white and black ports are the native Intel SATA connections. They are color coded, white for SATA 3, and black for SATA 2.
The other 2 connectors (grey) are provided by a Marvell 88SE9172 chip.
