Amazon.com: Sedna - PCI Express Quad 2.5 Inch SATA SSD Controller Card (with Built in Power Circuit, no Need SATA Power Connector) (SSD/HDD not Included) : Electronics
The first PCIe Gen 5 drives are here and fast, but do you have a need for speed? - The Verge
Amazon.com: Sedna PCI Express (PCIe) Dual 2.5 Inch SATA III (6G) SSD Adapter (Extended Single Side SSD Version) (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD/HDD