HP (933576-001) Z Turbo Drive Dual Pro Dual M.2 NVMe SSD Adapter (864764-002)
GLOTRENDS Dual M.2 PCIe 4.0/3.0 X8 Adapter, Support 2 x M.2 PCIe SSD RAID-on-CPU (VROC) in Intel Platform and PCIe 4.0 NVMe RAID in AMD Platform, PCIe Bifurcation Motherboard is Required (PA21):
Dual M.2 SSD installation and 3D printed mods (Kaby Lake Project 4/10) - YouTube
Dual M.2 PCIe Adapter, M2 NVME SSD M Key or SATA SSD B Key to PCI-e 3.0 x 4 Host Controller Expansion Card with 2 x Low Profile Bracket Support 22110 2280 2260 2242 2230 | Walmart Canada
JINGSHA X99GT Motherboard Dual Channels With NVME SSD M.2 WIFI M.2 USB 3.0 Support DDR4 RECC RAM UP TO 64GB USB SATA3.0| | - AliExpress