Seagate 4TB BarraCuda SATA 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive (ST4000DM004) Single Pack - Walmart.com
Amazon.com: Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD40EZAZ : Electronics
WD Black 4TB 3.5-inch Performance Hard Drive | Sweetwater
Western Digital 3.5'' 4TB HDD - StaticCore
WD Black 4TB 3.5-inch Performance Hard Drive | Sweetwater
WD 4TB Blue SATA III 3.5" Internal HDD Retail WDBH2D0040HNC-NRSN
Seagate Barracuda Pro ST4000DM006 4 TB 3.5" Internal Hard Disk Drive (HDD) SATA III 6.0Gb/s 7200 RPM 128 MB (20PK) | Fast Server Corp. www.srvfast.com
HGST 4TB 3.5" SATA3 HDD-T4TB-HUS726T4TALE6L4 Internal Enterprise Hard Drive
Dell 4TB 3.5in SAS Hard Drive ST4000NM0023
Original Western Digital Wd 4tb Red Nas Hard Disk Drive 3.5" 4tb Internal Hard Drive 5400rpm Sata 6gb/s 64mb Cache For Desktop - Hard Disk Drive - AliExpress
WD Blue Mainstream 4TB 5400 RPM SATA III 6Gb/s 3.5" Internal SMR Hard Drive - Micro Center