When you clone a hard drive or SSD in Windows, and you see the newly cloned drive showing the wrong capacity, you can fix it ...
Off the top of my head, I would tell you to go back into disk manager and right-click the free, unpartitioned space in the spare drive. There should be a format option as well as a drive letter ...
Just replaced my 256GB boot NVME with a 2TB boot NVME. I cloned the drive before replacing so I wouldn't have to do a fresh install. But now I'm realizing that the built in Disk Management tools don't ...