SK Hynix NVMe M.2 256 GB PCIe unità a stato solido SSD HFM256GDJTNG-8310A BC501 HP X
You can also use it as a HUGE USB mass storage device if you have the USB 3.2 adapter. ADVICE FROM EXPERT. Generally, a good performant OS uses only 20GB to 40GB, so you don't really need more than 256GB as a boot drive.