Amazon.com: PCI-E SATA Expansion Card 6 Ports PCIe x4 to SATA 3.0 6Gbps Expansion Controller Adapter Card with 6 SATA Cables and Low Profile Bracket, Non-Raid(ASM1166) (PCIE X4 SATA 6 Ports) :
Laptop PCI-E x1 3.0x4 External Graphics Card Stand bracket NGFF PCI-E Riser External Video Card Dock - Walmart.com
PCIE to M2 Adapter M.2 PCI-E NVMe SSD to PCI Express 3.0 X4/X8/X16 Adapter Card 32Gbps SSD PCI Express Converter Add On Cards - AliExpress
HP Z Turbo Drive 512GB - Internal M.2 - PCI Express 3.0 x4 (NVMe)