| Feature | Storage Spaces | Hardware RAID | ReFS (on Spaces) | |---------|---------------|---------------|------------------| | Cost | Free | Controller cost | Free | | Portability | Windows only | Any OS | Windows only | | Drive mixing | Yes | No | Yes | | Integrity scrubbing | No (unless ReFS) | Rare | Yes (with ReFS) | | Bootable | No | Yes | N/A |
: These are the virtual disks you carve out of the pool. They appear in File Explorer as regular drives with their own drive letters. Resiliency Options (RAID-like Protection) windows storage spaces