Perc S100/S110/S300 : How to replace a failed hard drive on a software RAID | Dell Canada
OEM Dell Y159P PERC S300 6/IR SAS / SATA Integrated Modular RAID Controller Card 717580632834 | eBay
Solved: How to add physical disk to degraded virtual S100 RAID1 disk - Dell Community
For DELL PERC S300 3GB SAS RAID CONTROLLER 0 /1 /5 U558P - Newegg.com
Finally got it working! Now the real fun begins 🤩😃 (Turns out the PERC S300 doesn't like anything but Windows, so had to fix that with a H700 off of ebay) :