Add more SATA 3.0 ports to motherboard : r/buildapc
Amazon.com: SATA 3.0 4 Port PCIe Controller Card,PCI Express to SATA 3.0 6Gbps with 2U 4U Fixed Brackets,Plug and Play PCI E Cards,SATA 3.0 Expansion Card : Electronics
Connecting SATA drives to a computer via a PCIe expansion card
Vantec 267293 Cc Ugt-st655 5-port Sata Iii 6gbps Pcie | Beach Audio
How-To: Add More SATA Ports to Your Computer - YouTube