official spec sheet from asrock is here:
http://www.asrock.com/download/e-cat...me4%20Gen3.pdf
doing a quick diff vs. the Z68 Extreme4 spec sheet, this is what i see to be changed, besides the obvious addition of PCIe 3.0:
* V8+4 power phase design vs. the non-Gen3 V8
* "premium gold" caps vs. the non-Gen3 "duracaps"
* PCIE5 operates at full x16, as compred to the current x4 operation
* claimed support for DirectX 11 when using Ivy Bridge CPU, although i presume this is not a motherboard limitation and will apply to the non-Gen3 as well
* somewhat bizarrely, the non-Gen3 supports "THX TruStudio PRO" whereas the new Gen3 board only supports "THX TruStudio", this despite having the same exact Realtek chip - although i'm quite sure there won't be a single person on the planet that cares about this difference
that looks to be it. all the on-board chips (marvell, etron, realtek, broadcom) are unchanged. i can't say i'm regretting picking up the non-Gen3 with such an incremental upgrade on the horizon.




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