Amazon.com: Sedna PCI Express (PCIe) SATA III (6G) SSD Adapter with 1 SATA III Port (with Built in Power Circuit, no Need SATA Power Connector, Best for Mac), SSD not Included :
Samsung 980 PRO MZ-V8P1T0B - solid state drive - 1 TB - PCI Express 4.0 x4 (NVMe) | Dell USA
Amazon.com: GLOTRENDS U.2 (SFF-8639) PCIe NVMe 4.0/3.0 Adapter for U.2 PCIe SSD, PCI-E GEN4 Full Speed, Desktop PC Installation : Electronics
Amazon.com: xqjtech PCI-E PCI Express 3.0 X4 to NVME M.2 NVME to NVME SSD PCI-e 3.0 x 4 Host Controller Expansion Card Support M Key SSD Type 2280 2260 2242 2230 Adapter Converter : Electronics
GLOTRENDS M.2 PCIe NVMe 4.0/3.0 Adapter with 0.12 Inch Thick M.2 Heatsink for M.2 PCIe SSD (NVMe and AHCI), PCI-E GEN4 Full Speed, Desktop PC Installation (PA09-HS) Add-On Cards - Newegg.com