I use this USB 3.2 M.2 PCIe NVMe enclosure from Sabrent, though there are plenty of options available. For SATA drives, I use this USB 3.2 Type A to SATA/U.2 SSD adapter, also from Sabrent ...
The price for large solid-state drives has plummeted in recent years, and even though they're still quite variable, it's still possible to get a really good NVMe SSD for relatively little money.