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 ...

And, if you have a simple external adapter that has only a PCIe connector or a SATA connector, it will only support that type of SSD ... source USB 2.0-connected RP2040-based M.

The device includes two USB 3.0 ports, one Type-C, a PD interface, and an SD card reader. It also features a built-in M.2 slot compatible ... a power adapter, and three silicone clasps for cable ...

Dockcase has combined its USB-C hub and SSD enclosure prowess to make a formidable all-in-one USB-C accessory.