Gigabytes Z68

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I was thinking about or a Gigabyte GA-Z68X-UD4-B3 ( http://www.gigabyte.us/products/product-page.aspx?pid=3849#ov ) or GA-Z68X-UD3P-B3 ( http://www.gigabyte.us/products/product-page.aspx?pid=3850#ov ).

Both have the same price. Wich one should i get?

 

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Also found them at newegg:
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128494
http://www.newegg.com/Product/Product.aspx?Item=N82E16813128493