 "Seagate Barracuda ST4000DM004 - hard drive 4 TB SATA 6Gb/s" " Seagate 6Gb/s Internal Desktop Hard Drives CDW.com
"Get the most out of your storage with BarraCuda hard drives. From computers full of photos and memories to gaming PCs that need more room to play, BarraCuda grows with you." 
 "Seagate IronWolf ST1000VN002 - hard drive 1 TB SATA 6Gb/s" " Seagate 6Gb/s Internal Desktop Hard Drives CDW.com
"The Power of Agility for home, SOHO and SMB NAS enclosures. IronWolf is designed for everything NAS. Get used to tough, ready and scalable 24/7 performance that can handle multi-drive environments with a wide range of capacities." 