PCレスでSSDのクローンを作成できるデバイス「UD-M2SACL」 これは、USB接続対応で、SATAコネクタとM.2スロットを備えたストレージ変換アダプタ。SATA SSD/HDDとM.2 NVMe SSD間の双方向クローンが可能なモデルで、PCを介さずにドライブのクローンを作成することができる。

I always use a second SSD for my game installs (although technically I have three other SSDs with games on, because I hate re-downloading them), and I think everyone should. It's not about performance ...

Luckily, there are a few ways to monitor your SSD’s health using SMART (Self-Monitoring, Analysis, and Reporting Technology) built into storage devices and software utilities that interface with it.