8 Graphics card directly plugged into ETH mining motherboard – MN
BTC-S37 Mining Motherboard Set, with CPU 128GB MSATA SSD and 8GB Memory DDR3 8 GPU Mining Motherboard Kit, Compatible with Bitcoin Eth and other multi-currency mining - Newegg.com
Mining Motherboard 12 GPU For AMD & NVIDIA - MiningCave
B75 ATX Mining Motherboard LGA1155 8* USB Port Support 2*DDR3 B75E USB ATX Motherboard For mining With VGA HD Port MSATA - AliExpress