System reserved contains the boot and recovery files, and should be left alone. Typically Windows does not assign this a drive letter so just remove the drive letter assignment in disk management. Not sure what is data, could be an EFI partition... if so this should also be left alone as it is essentially the disk file table. I would just remove the drive letter assignment on that and leave it as well.
Edit - brought up my server which I have EFI disk on and it matches in size so...
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Alright thank you, I've went ahead and removed the drive assignment on the additional drives and everything is still fine.
Also, yeah for those that were curious, I am not running anything in RAID. Just using the SSD as a main drive and the other for storage.
I think that's a fix. I just wanted to make sure that having a "System Reserved" and "Data" drive wasn't something that needed my urgent attention. Since, of course searching "data drive" on google wasn't very helpful, lol.
Thank you everyone for your input!