NeweggBusiness - Silverstone ECM23 M.2 NVMe SSD to PCIe 3.0 x16 adapter with heatsink
StarTech.com Dual M.2 PCIe SSD Adapter Card, x8 / x16 Dual NVMe or AHCI M.2 SSD to PCI Express 4.0, Up to 7.8GBps/Drive, For 2242/2260/2280/22110mm PCIe M-Key M2 SSDs, Bifurcation Required
PCIe 3.0 to NVMe (4) M.2 Adapter for M.2 (M Key) SSD, X16
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
4 Port PCIe 3.0 x16 to U.2(SFF-8643) NVMe SSD Adapter
PCI-E 4.0 4x4 to M.2 4-Bays Expansion Card for M.2 NVMe Solid State Drive 2242 2260 2280 SSD PCIe X16 4.0 Gen 4 Adapter Card - AliExpress