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 ...

2 to PCIe slot ... with 32TB of SSD storage, but I'm sure the reasons are both amazing and terrifying. If you want to make your SSD dreams come true, you can snap up a Dual M.2 Adapter for $ ...