Seagate IronWolf 4TB NAS Internal Hard Drive HDD – CMR 3.5 Inch SATA 6Gb/s 5900 RPM 64MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST4000VN008) Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD – 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5″ – WD101EFAX
https://www.amazon.com/Red-4TB-Internal-Hard-Drive/dp/B083XVY99B

