![Amazon.com: Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC Laptop (ST4000DM004) : Electronics Amazon.com: Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC Laptop (ST4000DM004) : Electronics](https://m.media-amazon.com/images/I/818Zr2FoBWL.jpg)
Amazon.com: Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache for Computer Desktop PC Laptop (ST4000DM004) : Electronics
![Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : Electronics](https://m.media-amazon.com/images/I/81rjv52AO6L.jpg)
Amazon.com: WD 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (WD4000FYYZ) (Renewed) : 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
![Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress](https://ae01.alicdn.com/kf/HLB1eiuRnnZmx1VjSZFGq6yx2XXaD/WD-PURPLE-Surveillance-4TB-Hard-Drive-Disk-SATA-III-64M-3-5-HDD-HD-Harddisk-For.jpg)
Wd Purple Surveillance 4tb Hard Drive Disk Sata Iii 64m 3.5" Hdd Hd Harddisk For Security System Video Recorder Dvr Nvr Cctv - Hard Disk Drive - AliExpress
![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)
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
![4TB - MG08ADA400E Toshiba 7.2K SATA‑6Gbps 512E 3.5Inch Internal HDD - Disk'N'Go Hard Drive Specialists 4TB - MG08ADA400E Toshiba 7.2K SATA‑6Gbps 512E 3.5Inch Internal HDD - Disk'N'Go Hard Drive Specialists](https://cdn.shopify.com/s/files/1/0851/7340/products/mg-series-toshiba_1000x_crop_center.jpg?v=1606158372)
4TB - MG08ADA400E Toshiba 7.2K SATA‑6Gbps 512E 3.5Inch Internal HDD - Disk'N'Go Hard Drive Specialists
![WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com](https://i5.walmartimages.com/asr/980031a9-d34b-4e7e-b405-81a680cd8158.17c3abb1a18c022fba7468885ad3d2ac.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6 Gb/s 64MB Cache 3.5 Inch - WD40PURZ - Walmart.com
![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
![Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007) Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007)](https://amcrest.com/media/catalog/product/cache/9b35a097e336151214b669c0ac2cd5a5/h/d/hdd4tb-st_2_1.jpg)
Seagate SkyHawk 4TB Surveillance Hard Drive - SATA 6Gb/s 64MB Cache 3.5-Inch Internal Drive (ST4000VX007)
![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
![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)