Marvell Bravera SC5 offers 2M IOPS and 14GBps in a PCIe Gen5 SSD
Pcie4.0 X16 to M.2 M-Key Nvme X 4 Ssd Expansion Card,Supports 4 Nvme M.2 2280 up | eBay
SKHynix 512GB 256GB PCIe Gen3 x 2 M.2 2242 NVMe SSD HFM512GDHTNG-8310A BA SSD | eBay
Riser Metal Case B+m Socket 2 M.2 Ngff Sata Ssd To 2.5" Sata Adapter For 2230/2242/2260/2280mm M2 Solid State Disk Supports Jbod - Pc Hardware Cables & Adapters - AliExpress
M.2 - FMC adapter board for NVMe SSD (AB17-M2FMC)
Amazon.com: SUPERPLUS M Key SSD NVME M.2 SSD(Key M) Key B SSD to U.2 SFF-8639 Adapter SSD m.2 Enclosure(Not SATA Interface) : Electronics