![Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics](https://m.media-amazon.com/images/I/81lf45BvHdL.jpg)
Amazon.com: Seagate Enterprise 4TB Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM, 256MB Cache (ST4000NM004C) : Electronics
![BarraCuda Series ST4000DM004 3.5 inch Mechanical Hard Disk SATA Internal HDD 4TB 5400RPM 256MB Cache for PC/ - Walmart.com BarraCuda Series ST4000DM004 3.5 inch Mechanical Hard Disk SATA Internal HDD 4TB 5400RPM 256MB Cache for PC/ - Walmart.com](https://i5.walmartimages.com/asr/15773575-7595-410d-b2b1-f6c292b011a2.a18af1eea956964b08a4d36c01b909d7.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
BarraCuda Series ST4000DM004 3.5 inch Mechanical Hard Disk SATA Internal HDD 4TB 5400RPM 256MB Cache for PC/ - Walmart.com
![WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAZ Desktop Internal Hard Drives - Newegg.com WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAZ Desktop Internal Hard Drives - Newegg.com](https://cdn.cs.1worldsync.com/syndication/feeds/wd/inline-content/49/70D124EB3FA5D92058746A4D0E6C110B1A010CEA_WDBLUEPCDESKTOPHARDDRIVE4TB_gallery.png)
WD Blue 4TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD40EZAZ Desktop Internal Hard Drives - Newegg.com
![Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics](https://m.media-amazon.com/images/I/71KGby9PZkL.jpg)
Amazon.com: Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD42PURZ : Electronics
![Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay](https://i.ebayimg.com/images/g/GBEAAOSwUulbwsQ9/s-l1200.webp)
Western Digital WD40EZRZ WD Blue SATA III 3.5" 4TB Hard Drive (FACTORY SEALED) 718037840161 | eBay
![New Original HDD For Seagate BarraCuda 4TB 2.5" SATA 128MB 5400RPM For Internal Hard Disk For Notebook HDD For ST4000LM024 New Original HDD For Seagate BarraCuda 4TB 2.5" SATA 128MB 5400RPM For Internal Hard Disk For Notebook HDD For ST4000LM024](https://ae01.alicdn.com/kf/H50241a32388f4951bbda3a19a0cf7a45G/New-Original-HDD-For-Seagate-BarraCuda-4TB-2-5-SATA-128MB-5400RPM-For-Internal-Hard-Disk.jpg)
New Original HDD For Seagate BarraCuda 4TB 2.5" SATA 128MB 5400RPM For Internal Hard Disk For Notebook HDD For ST4000LM024
![Amazon.com: Seagate 4TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch Internal Hard Drive (ST4000LM016) : Electronics Amazon.com: Seagate 4TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch Internal Hard Drive (ST4000LM016) : Electronics](https://m.media-amazon.com/images/I/5195dzNncQL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Seagate 4TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch Internal Hard Drive (ST4000LM016) : Electronics
![Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics Amazon.com: Western Digital Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - Western Digital40PURZ [Old Version] : Electronics](https://m.media-amazon.com/images/I/61UDbxdRV8L._AC_UF894,1000_QL80_.jpg)