Battle of the 4 TB NAS Drives: WD Red and Seagate NAS HDD Face-Off
Seagate IronWolf Pro 4TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 128MB Cache for RAID Network Attached Storage Data Recovery Service ST4000NE001 | Fast Server Corp. www.srvfast.com
Seagate IronWolf 4TB NAS Hard Drive 5900 RPM 3.5" RAID - Newegg.com