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koitsu
Premium,MVM
join:2002-07-16
Mountain View, CA
kudos:23
reply to me

Re: Using only the second PCIE x16 same speed ? for video card

said by me:

Between D3H and the UD3H I think UEFI BIOS is also a difference.

Incorrect:

GZ-Z77X-UD3H rev 1.0 -- »www.gigabyte.com/products/produc···=4153#ov
GA-Z77X-D3H rev 1.0 -- »www.gigabyte.com/products/produc···=4144#ov
GA-Z77X-D3H rev 1.1 -- »www.gigabyte.com/products/produc···=4325#ov

You can see if you scroll down the page, all of them are completely UEFI-based ("UEFI DualBIOS"). There is no classic BIOS for any of these boards.
--
Making life hard for others since 1977.
I speak for myself and not my employer/affiliates of my employer.


me

join:2002-12-08
Iapetus

2 edits
I went with the GA-Z77X-D3H rev 1.0 without knowing about that v1.1 is available.
This model has more SATA connections (which I may need). For $40 dollars less after rebate, I decided against UD3H.

Version 1 and 0 are basically the same except for a PCIe 3.0 issue.

GA-Z77X-D3H rev 1.0
1 x PCI Express x16 slot, running at x8 (PCIEX8)
* 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.
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* PCIE Gen.3 is dependent on CPU and expansion card compatibility.

GA-Z77X-D3H rev 1.1
1 x PCI Express x16 slot, running at x8 (PCIEX8)
(The PCIEX16 and PCIEX8 slots conform to PCI Express 3.0 standard.)
* Whether PCI Express 3.0 is supported depends on CPU and graphics card compatibility.
* 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.


Also 1 x 8-pin ATX 12V power connector for the UD3H
and 4 for D3H. (not sure if this will affect overclocking)

Comparison chart
»www.gigabyte.com/products/compar···153,4144

These would have been nice to have on my board
1 x power button
1 x reset button
1 x Clear CMOS button
1 x Voltage Measurement Points
1 x BIOS Switch