Amazon.com: ELECTOP NVME PCIe x16 Adapter, M.2 Key-M SSD to PCI 3.0 Express Expansion Card, Support 2230/2242/2260/2280 with Heat Sink, Compatible with Windows XP / 7/8 / 10 & MAC OS System : Electronics
PCI express M2 adapter PCIe X16 4 port M2 NVME M Key SSD adapter PCIe M.2 adapter VROC RAID Expansion Card|Add On Cards| - AliExpress
Asus HYPER M.2 X16 GEN 4 CARD Hyper M.2 x16 Gen 4 Card (PCIe 4.0/3.0) - Newegg.com
IOCREST IO-PEX40152 PCIe x16 to Quad M.2 NVMe PEX Switch PCIe Card Review - The Tech Journal