Regarding Hard drive controllers, etc..

I do all soarts of data recovery and I’d like to know all the types of drives out there that I would need a controller card for. I know RAID i’d have to get a 60 pin scsi controller card. and i really don’t know what else and i just know ultra3 scsibut i don’t know exaclty what to get to plug all these types of drives in my ide system