XFX Single Slot AMD Radeon 5770
http://www.newegg.com/Product/Product.aspx?Item=N82E16814150501&cm_re=xfx_5770-_-14-150-501-_-Product
would 4 of these fit in 4 adjacent PCI-e slots, say on the GIGABYTE UD9 http://www.newegg.com/Product/Product.aspx?Item=N82E16813128446&cm_re=ud9-_-13-128-446-_-Product
http://www.newegg.com/Product/Product.aspx?Item=N82E16814150501&cm_re=xfx_5770-_-14-150-501-_-Product
would 4 of these fit in 4 adjacent PCI-e slots, say on the GIGABYTE UD9 http://www.newegg.com/Product/Product.aspx?Item=N82E16813128446&cm_re=ud9-_-13-128-446-_-Product