5 Port M.2 SATA 3 PCI-E (B-KEY) Gen3X2 SSD to PCI-E X16 Adapter Expansion Card (SSD not included) PCIE3.0 X2 16Gbps Bandwidth - Newegg.com
Western Digital Western Digital SDAPMUW-512G 512GB PC SN520 PCIe Gen3 x 2 NVMe V1.3 M.2 2242 Internal Solid State Drive in the Endless Aisle department at Lowes.com