Gigabyte X299-wu8 With X299 Chipset Support 4-way Nvidia Sli Or Amd Crossfirex Gpu Configurations Lga 2066 Server Motherboard - Buy X299 Server Motherboard,X299 Chipset Server Motherboard,Lga 2066 Server Motherboard Product on Alibaba.com
Amazon.com: Asus Sabertooth Z87 LGA 1150 Motherboard : Electronics
AMD triple CrossFireX tested
2, 3 or 4 GPUs: Introducing CrossFire X - ATI Radeon HD 3870 & 3850: A Return to Competition