Amazon.com: ASUS Hyper M.2 X16 PCIe 3.0 X4 Expansion Card V2 Supports 4 NVMe M.2 (2242/2260/2280/22110) Upto 128 Gbps for Intel VROC and AMD Ryzen Threadripper NVMe Raid : Electronics
Socket M Key M.2 Nvme Ssd To Pcie Adapter Card Support Pci Express 3.0 X4 2230 2242 2260 2280 Size M.2 Ssd Full Speed Riser Card - Add On Cards & Controller Panels - AliExpress
The M.2 interface
M.2 Connector Guide on Keys and Sockets for SSDs
Understanding M.2, the interface that will speed up your next SSD | Ars Technica
Amazon.com: JMT M.2 Nvme SSD/B+M Key SATA Bus SSD to Mini PCI-E Adapter Vertical Installation for NGFF 2280 Type SSD mSATA Card Converter : Electronics
Understanding M.2, the interface that will speed up your next SSD | Ars Technica