Running 10.5 on a Surface with SDXC

I run 10.5 (I have 11 but it’s still too problematic) on a Surface Pro 7 i5 with 16GB RAM, 256 storage. (I like the silence and portability) I have my samples on a 1TB flash drive and my projects on another, using USB-C to connect the projects. I’m thinking about putting both on a 1TB Sandisk SDXC drive that will fit into the Surface directly. Has anyone tried this or a similar configuration? (The SanDisk is quite expensive so it would be good to hear what problems might be out there.) Thx in advance for replies.