Disco Duro Seagate Barracuda 4TB, Caché 256MB, 5400 RPM, SATA III (6.0 Gb/s).
Seagate St4000dm004 Barracuda 4tb 3.5 Inch Internal 256mb Cache Hdd5400rpm Sata 3.0 6gb/s Hard Drive Disk For Desktop Pc - Hard Disk Drive - AliExpress
ST4000DM004 Seagate 4TB Barracuda Hard Drive Review - PriceBlaze.com