Amazon.com: ASUS Hyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid : Electronics
4 Port PCIe 3.0 x16 to U.2(SFF-8643) NVMe SSD Adapter
Amazon.com: M.2 NGFF NVMe SSD to PCIE 3.0 X16/X8/X4 Adapter with heatsink for 1U/2U Server and Low Profile PC : Electronics
StarTech.com Dual M.2 PCIe 4.0 x8 x16 to Dual NVMe or AHCI SSD (DUAL-M2-PCIE -CARD-B)
HYPER M.2 X16 GEN 4 CARD|Motherboards|ASUS Global
NVMe M.2 SSD to PCIe X16/X8/X4 Card - Sabrent
IOCREST IO-PEX40152 PCIe x16 to Quad M.2 NVMe PEX Switch PCIe Card Review - The Tech Journal
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
HighPoint Releases the SSD7102: A Bootable Quad M.2 PCIe x16 NVMe SSD RAID Card
Amazon.com: Quad M.2 NVME SSD to PCI-E 4.0 X16 Adapter, High Speed 4x32Gbps Soft Raid Card with Individual LED Indicator Support 2230 2242 2260 2280 (ph44) : Electronics
GIGABYTE Aorus PCIe x16 M.2: For Four NVMe Drives, X399 Compatible
GLOTRENDS M.2 PCIe X1 Adapter with M.2 Screw for M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M), PCIe X1/X4/X8/X16 Lane Installation, but Only PCIe X1 Bandwidth (PA09-X1) Add-On Cards - Newegg.com