SilverStone has developed the ECM40 PCIe 4.0 x16 to 4x M.2 NVMe SSD adapter card. This adapter is engineered to expand a system by supporting four M.2 SSDs of form factors 2230, 2242, 2260 ...

This allows two PCIe 3.0 SSDs to be installed or alternatively an SSD together with ... the Raspi 5 with HAT adapters (hardware attached on top), which provide a single M2 slot and do without ...