The folders have a bunch of camera created metadata and those have nothing to do with whatever the editor has done. You’ll need a proper XML, EDL or AAF from the editor that has the edit information in it.
Are you editing compressed 4K? If yes then you don’t need some super insane fast drive, but you’ll need a beefy CPU/GPU. Are you editing uncompressed 4K? If yes then you’ll need a super insane fast drive that can read/write about 1,5GB/s.