- May 19, 2005
- 22
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Orange and Black
..It can only mean one thing if it has the name Gigabyte on it.
Another addition to the OC family of motherboards.

Gigabyte Z87X-OC Force


Also included in the package are a wireless module that has both Dual Band 300mbps wireless N and Bluetooth 4.0 capability and single dual connection antenna. There is also a front 3.5" USB 3.0 front panel to take advantage of all those headers on the motherboard.
There is a 2 way Crossfire connector, a 2 way SLI bridge connector as well as a 3-way and a 4-way SLI connector, 6 SATA cables, the usual manuals, driver disk and I/O shield.
To help stabilize the massive GPUs available today when using the board on a bench, Gigabyte have included the OC Brace. Unfortunately my Ghetto bench setup would not allow me to use it. But I can see the value in keeping multiple GPUs with LN2 pots from putting excessive stress on the PCIE slots.

There are two versions of the OC series in this round. The Force is the top of the range board with an additional PLX8747 chip that allows either 4 way SLI or 4 way CrossfireX on the Z87 chipset. Something not offered on the standard OC board due to the limited number of PCIE lanes available on the Z87/Haswell platform.
Introduction
The Gigabyte Z87X-OC Force is part Gigabytes new series of Ultra Durable 5 PLUS labeled boards. Building on the previous Ultra Durable 5. Additional features and in depth explanation can be found here:
http://ca.gigabyte.com/MicroSite/334/images/ud5plus.html
This board is aimed at the high end enthusiast overclocker, someone who wants it all. They plan to squeeze every last ounce of performance from the board, the processor, the memory, as well as up to 4 GPUs in CrossfireX or SLI. This is a take no prisoners, full featured, give up nothing, no compromise type of board. It takes the same position once held by the Z77X-UP7 and the similarities are many.
The website for the Z87X-OC Force is located here:
http://www.gigabyte.com/products/product-page.aspx?pid=4484#ov
And the OC Micro Site is located here:
http://www.gigabyte.com/fileupload/microsite/336/oc.html
But this is also a new platform, Z87. This is socket 1150, which has replaced the socket 1155 of Ivy Bridge/Sandy Bridge, and brings us the new 4th generation Core processors from Intel named Haswell.
Haswell and Z87 bring with them a few changes and updates from the previous generation. The six SATA ports are now all SATA 3(6Gb/s) and there are more flexible options with the PCH PCIE lanes now and the motherboard manufacturer can choose how to allocate the 8 available PCIE 2.0 lanes. For more USB3.0 ports or more PCIE slots depending on the motherboard configuration.
Physical changes to the socket itself means that if you want a Haswell processor, then you need a new 8 series motherboard to go with it. And if you want to overclock, you will need a Z87 based board and a K series processor.
The new Haswell processor is an evolutionary product and there are improvements in the integrated graphics core as well as slight improvements in efficiency which generally work out to about 10-15% improvement per clock.
The other change that some overclockers will be interested in is the ability to change base clock settings. The gear ratios selection includes options 1.00x, 1.25x or 1.67x as BCLK multipliers, giving you an offset of 100MHz, 125MHz or 167MHz. Just like in X79. This can allow some fine tuning of memory frequencies to get the most out of your system.
Board Layout
Orange and Black. Its pretty sexy in my opinion. Not everyone may like it but it does say look at me- Im different!.

IR3550 PowIRstage® ICs promise to provide superior power output as well as lower overall temperatures. These are considered the pinnacle of current power circuit technology, and offer higher overall efficiency and fewer overall components on the board due to their single package design. Previously tested boards using these have proven out the theory. So you can expect clean, cool power and lots of it for that maximum LN2 cooled overclock!
Gigabyte use of black PCBs and orange highlights are further accented on this board with just the right amount of gunmetal grey and polished aluminum on the black heatsinks. Look closer, those are fans and water cooling barbs! No need to purchase third party water blocks if you decide to keep the PWM, PLX chip and PCH even cooler. Overall the board has the look and feel of high quality and careful manufacture.
The board is SLI and CrossfireX compatible up to 4-way.
Expansion port layout is as follows:
3 x PCI Express x16 slots, running at x16 (PCIEX16_1~3)
* For optimum performance, if only one expansion card is to be installed, be sure to install it in the PCIEX16_2 slot.
2 x PCI Express x16 slots, running at x8 (PCIEX8_1~2)
* The PCIEX8_1 slot shares bandwidth with the PCIEX16_1 slot and the PCIEX8_2 slot with PCIEX16_3. The PCIEX16_1/PCIEX16_3 slot will operate at up to x8 mode when the PCIEX8_1/PCIEX8_2 is populated.
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* The PCIEX16_2 slot will become unavailable when an expansion card is installed in the orange PCI Express x16 slot.
2 x PCI Express x1 slots
(The PCI Express x1 slots conform to PCI Express 2.0 standard.)
When using a single GPU, place the card in the black colored PCIEX16_2 slot. This bypasses the PLX chip and reduces latency slightly.

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 is a new feature called the OC PCIe switch. This allows you to turn off the PCIe slots so that you can deactivate GPUs from the system without having to physically remove them. Easy and clever.

There are 2 internal headers for additional USB 3.0 front ports. One just between the DIMM slots and ATX power connector. The other one is located at the bottom just to the right of center on the board. There are also headers along the bottom of the board for an additional 4 USB 2.0 ports. There is no shortage of USB connectivity here.
There are also COM (serial) and front audio headers located at the bottom left of the board.
There are also two switches at the bottom left of the board. The BIOS (MB) switch allows manual switching between the main and backup bios. This is handy for several reasons. You may want to have separate settings in each bios for specific tasks or setups. Or if you are having issues while using one bios, you can easily switch to the other. The SB switch can enable/disable the dual Bios function.

There are 10 SATA ports on the board, grouped together along the right edge. The black headers are the native Intel SATA connections and they are all SATA 3 (6Gb/s). They can be configured for Raid 0, 1, 5 or 10.
The other 4 connectors (grey) are also SATA 3(6GB/S) powered by a Marvell 88SE9280 chip and can be run in RAID 0, 1 or 10.
Another addition to the OC family of motherboards.

Gigabyte Z87X-OC Force


Also included in the package are a wireless module that has both Dual Band 300mbps wireless N and Bluetooth 4.0 capability and single dual connection antenna. There is also a front 3.5" USB 3.0 front panel to take advantage of all those headers on the motherboard.
There is a 2 way Crossfire connector, a 2 way SLI bridge connector as well as a 3-way and a 4-way SLI connector, 6 SATA cables, the usual manuals, driver disk and I/O shield.
To help stabilize the massive GPUs available today when using the board on a bench, Gigabyte have included the OC Brace. Unfortunately my Ghetto bench setup would not allow me to use it. But I can see the value in keeping multiple GPUs with LN2 pots from putting excessive stress on the PCIE slots.

There are two versions of the OC series in this round. The Force is the top of the range board with an additional PLX8747 chip that allows either 4 way SLI or 4 way CrossfireX on the Z87 chipset. Something not offered on the standard OC board due to the limited number of PCIE lanes available on the Z87/Haswell platform.
Introduction
The Gigabyte Z87X-OC Force is part Gigabytes new series of Ultra Durable 5 PLUS labeled boards. Building on the previous Ultra Durable 5. Additional features and in depth explanation can be found here:
http://ca.gigabyte.com/MicroSite/334/images/ud5plus.html
This board is aimed at the high end enthusiast overclocker, someone who wants it all. They plan to squeeze every last ounce of performance from the board, the processor, the memory, as well as up to 4 GPUs in CrossfireX or SLI. This is a take no prisoners, full featured, give up nothing, no compromise type of board. It takes the same position once held by the Z77X-UP7 and the similarities are many.
The website for the Z87X-OC Force is located here:
http://www.gigabyte.com/products/product-page.aspx?pid=4484#ov
And the OC Micro Site is located here:
http://www.gigabyte.com/fileupload/microsite/336/oc.html
But this is also a new platform, Z87. This is socket 1150, which has replaced the socket 1155 of Ivy Bridge/Sandy Bridge, and brings us the new 4th generation Core processors from Intel named Haswell.
Haswell and Z87 bring with them a few changes and updates from the previous generation. The six SATA ports are now all SATA 3(6Gb/s) and there are more flexible options with the PCH PCIE lanes now and the motherboard manufacturer can choose how to allocate the 8 available PCIE 2.0 lanes. For more USB3.0 ports or more PCIE slots depending on the motherboard configuration.
Physical changes to the socket itself means that if you want a Haswell processor, then you need a new 8 series motherboard to go with it. And if you want to overclock, you will need a Z87 based board and a K series processor.
The new Haswell processor is an evolutionary product and there are improvements in the integrated graphics core as well as slight improvements in efficiency which generally work out to about 10-15% improvement per clock.
The other change that some overclockers will be interested in is the ability to change base clock settings. The gear ratios selection includes options 1.00x, 1.25x or 1.67x as BCLK multipliers, giving you an offset of 100MHz, 125MHz or 167MHz. Just like in X79. This can allow some fine tuning of memory frequencies to get the most out of your system.
Board Layout
Orange and Black. Its pretty sexy in my opinion. Not everyone may like it but it does say look at me- Im different!.

IR3550 PowIRstage® ICs promise to provide superior power output as well as lower overall temperatures. These are considered the pinnacle of current power circuit technology, and offer higher overall efficiency and fewer overall components on the board due to their single package design. Previously tested boards using these have proven out the theory. So you can expect clean, cool power and lots of it for that maximum LN2 cooled overclock!
Gigabyte use of black PCBs and orange highlights are further accented on this board with just the right amount of gunmetal grey and polished aluminum on the black heatsinks. Look closer, those are fans and water cooling barbs! No need to purchase third party water blocks if you decide to keep the PWM, PLX chip and PCH even cooler. Overall the board has the look and feel of high quality and careful manufacture.
The board is SLI and CrossfireX compatible up to 4-way.
Expansion port layout is as follows:
3 x PCI Express x16 slots, running at x16 (PCIEX16_1~3)
* For optimum performance, if only one expansion card is to be installed, be sure to install it in the PCIEX16_2 slot.
2 x PCI Express x16 slots, running at x8 (PCIEX8_1~2)
* The PCIEX8_1 slot shares bandwidth with the PCIEX16_1 slot and the PCIEX8_2 slot with PCIEX16_3. The PCIEX16_1/PCIEX16_3 slot will operate at up to x8 mode when the PCIEX8_1/PCIEX8_2 is populated.
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* The PCIEX16_2 slot will become unavailable when an expansion card is installed in the orange PCI Express x16 slot.
2 x PCI Express x1 slots
(The PCI Express x1 slots conform to PCI Express 2.0 standard.)
When using a single GPU, place the card in the black colored PCIEX16_2 slot. This bypasses the PLX chip and reduces latency slightly.

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 is a new feature called the OC PCIe switch. This allows you to turn off the PCIe slots so that you can deactivate GPUs from the system without having to physically remove them. Easy and clever.

There are 2 internal headers for additional USB 3.0 front ports. One just between the DIMM slots and ATX power connector. The other one is located at the bottom just to the right of center on the board. There are also headers along the bottom of the board for an additional 4 USB 2.0 ports. There is no shortage of USB connectivity here.
There are also COM (serial) and front audio headers located at the bottom left of the board.
There are also two switches at the bottom left of the board. The BIOS (MB) switch allows manual switching between the main and backup bios. This is handy for several reasons. You may want to have separate settings in each bios for specific tasks or setups. Or if you are having issues while using one bios, you can easily switch to the other. The SB switch can enable/disable the dual Bios function.

There are 10 SATA ports on the board, grouped together along the right edge. The black headers are the native Intel SATA connections and they are all SATA 3 (6Gb/s). They can be configured for Raid 0, 1, 5 or 10.
The other 4 connectors (grey) are also SATA 3(6GB/S) powered by a Marvell 88SE9280 chip and can be run in RAID 0, 1 or 10.