Best Thunderbolt 4 Enclosure with the best NVMe ssd for a BASE

2 Types of SSDs: SATA and NVMe 4slot m 2 nvme ssd enclosure UGREEN LAPTOP VERTICAL ORICO NVME SSD ENCLOSURE WITH SILICONE PROTECTIVE CASE USB-C UP TO slot nvme m2 The OWC Express 4M2 comes with SoftRAID XT ready to be set up in RAID 0 performance or RAID 1 mirrored drive mode, so you can customize this enclosure for speed

can you put a gen 4 ssd in a gen 3 slot I have been using an drive in an external enclosure for quite a long time now, mainly