Seagate IronWolf 10TB ST10000VN0004 7200U/min 256MB SATA III 3.5 in Hard Drive
Note these are not Ironwolf Pro, they are Ironwolf. Up to 10 drives=1 case, >10 will use 2nd case up to 20, then 3rd case etc. Pls check these are compatible with your application before purchasing.