Because the Legion Go uses a 2242 M.2 SSD, you'll need a couple of things to get started, and your replacement SSD will need to be the right size, so any of the others for the Asus ROG Ally or ...

The Lenovo IdeaPad 3 15 comes standard with an M.2 2242 (half-size) PCIe NVMe SSD. It's quite fast, with 2,331MB/s read and 1,592MB/s write speeds as tested, and most people will find that it's ...