Amazon.com: White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC) w/1 Year Warranty : Electronics
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Amazon.com: Seagate ST4000DM000 Desktop Hdd 4TB Sata 6GB/s Ncq 64MB Cache 3.5in Internal Bare Drive (Renewed) : Electronics
Amazon.com: Western Digital Se Wd4000F9Yz 4Tb 7200Rpm Sata3/Sata 60 Gb/S 64Mb 3.5" Enterprise Hard Drive : Electronics
Amazon.com: Seagate 4TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch Internal Hard Drive (ST4000LM016) : Electronics
Amazon.com: Seagate Exos 7E8 4TB Internal Hard Drive Enterprise HDD – 3.5 Inch 512n SATA 6Gb/s, 7200RPM, 256MB Cache – Frustration Free Packaging (ST4000NM000A) : Electronics
MB4000FCWDK HP 4-TB 6G 7.2K 3.5 SAS HDD : Electronics - Amazon.com
Amazon.com: Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) : Electronics
Amazon.com: Seagate BarraCuda Internal Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024) (Renewed),Mechanical Hard Disk : Electronics
Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : Electronics
Amazon.com: HP 695842-001 4TB SAS Hard Drive Disk (HDD) - 7,200 RPM, 3.5-inch form factor, SmartDrive Carier (SC), Midline (MDL), 6Gb per second Transfer Rate (TR) : 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")
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: WD Black 4TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FAEX : Electronics
Amazon.com: Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (STGX4000400) : Electronics
Amazon.com: WD Blue 4TB PC Hard Drive - 5400 RPM Class, SATA 6 Gb/s, 64 MB Cache, 3.5in - WD40EZRZ (Renewed) : Electronics
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: (Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) : Electronics
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
Amazon.com: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
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
Amazon.com: WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb : Electronics
Amazon.com: Seagate BarraCuda Mobile Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024),Mechanical Hard Disk : Electronics
