Amazon.com: NVME PCIe x16 Adapter, ELECTOP 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
M.2 PCIe X1 Adapter with M.2 Heatsink for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane - Walmart.com
Amazon.com: JMT PCI-E 4.0 x16 1 to 2 Expansion Card Gen4 Split Card PCIe-Bifurcation x16 to x8x8 with 20mm Spaced Slots CPU4P Power Supply Port (SATA) : Electronics
ORICO M.2 NVME to PCI-E 3.0 X16 Expansion Card (PSM2-X16)