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#11
That's the EFI System Partition, which has to be fat32, minimum size of 100MB so I would say that's normal, have you checked the drive for errors using MiniTool, that's check File System and Surface Test which might take some time.
I might give the error checking things a go when I've got time to let it run for a while.
How do I add a FAT32 partition to the end of that drive so I can add the recovery tool as per the instructions here Windows 10 Recovery Tools - Bootable Rescue Disk - - Windows 10 Forums
Thanks guys you are being really helpful.