Super-Fast PCIe 4.0 NVME Adapter PCI Express x16 to 4 Port M.2 M-Key NVME SSD Expansion Card - AliExpress
NVMe M.2 SSD to PCIe X16/X8/X4 Card - Sabrent
PCI-E Split Card PCIe 4.0 X16 to M.2 NVME M Key 4 SSDs RAID Array Adapter Card | eBay
Linkreal PCIe X16 to 4 Port M.2 NVMe SSD Adapter-Low profile - Newegg.com
M.2 NVMe Edge to PCIe x16 Connector PCIe x16 to M.2 NVMe Adapter R43SG eGPU New | eBay
Amazon.com: Diyeeni M.2 NVMe SSD to PCIE X16 M Key Hard Drive Adapter, for M.2 PCIe SSD Expansion Card, 4 x 32Gbps Full Speed, Desktop PC Installation, Support PCIE Split or PCIE
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
PCIe to SFF-8654 Adapter for U.2 NVMe SSD, PCIe4.0 X16, (2x) 8i SFF-8654
Quad NVMe PCIe Adapter, RIITOP 4 Ports M.2 NVMe SSD to PCI-e 4.0/3.0 x