Amazon.com: Seagate ST4000NM0023 Constellation ES.3 4TB 7200 RPM 128MB Cache SAS 6.0Gb/s 3.5 Internal Hard Drive (Bare Drive) : Electronics
Toshiba 4TB Canvio Basics Portable External Hard Drive,USB 3.2. Gen 1, Black (HDTB440EK3AA)
Amazon.com: Western Digital Red Pro 4TB 3.5-Inch 7200rpm 64MB Cache NAS Hard Drive (WD4002FFWX) : Electronics
Amazon.com: Synology HAT5300-4T 4TB 3.5" SATA 7200rpm Enterprise Grade HDD (MTTF 2 Million Hours) / Synoloyg NAS Exclusive / 5 Year Warranty : 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: Seagate 4TB Laptop HDD SATA 6Gb/s 128MB Cache 2.5-Inch Internal Hard Drive (ST4000LM016) : Electronics
Amazon.com: Seagate Barracuda ST4000LM024 4 TB 2.5" Internal Hard Drive : Electronics
Western Digital 4TB 3.5 Inch SATA III, 7200 RPM, 64 MB Cache Enterprise Hard Drive (Western Digital4000FYYZ)
Amazon.com: (Old Model) Seagate 4TB NAS HDD SATA 64MB Cache 3.5-Inch Internal Bare Drive (ST4000VN000) : Electronics
Amazon.com: IBM 49Y6210 - 4TB 3.5" Near Line SAS 7.2K 6Gb/s HS Hard Drive : Electronics
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB
Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s,
Amazon.com: Seagate IronWolf Pro ST4000NE001 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600) : Electronics
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
Amazon.com: Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 : Electronics
Amazon.com: Seagate 4TB Enterprise Capacity HDD 7200RPM SATA 6Gbps 128 MB Cache Internal Bare Drive (ST4000NM0033) (Renewed) : Electronics
Amazon.com: Seagate 4TB Enterprise Capacity HDD 7200RPM SATA 6Gbps 128 MB Cache Internal Bare Drive (ST4000NM0033) : Electronics
Amazon.com: WD 4TB 7200 RPM SATA 6 Gb/s 64MB Cache, 3.5-Inch Desktop Hard Disk Drive (WD4003FZEX) : 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: WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch - WD4001FFSX : Electronics
WD40EZRX Western Digital 4TB Internal Hard Drive IntelliPower 64MB Cache SATA 6.0Gb
Amazon.com: Toshiba MG03ACA400 3.5 4TB SATA III Enterprise Storage hard Drive 7200RPM 64MB Cache : Electronics
Amazon.com: MaxDigitalData 4TB 64MB Cache 7200PM SATA 6.0Gb/s 3.5" Internal Surveillance CCTV DVR Hard Drive (MD4000GSA6472DVR) - w/ 2 Year Warranty (Renewed) : Electronics
Seagate BarraCuda Mobile Hard Drive 4TB SATA 6Gb/s 128MB Cache 2.5-Inch 15mm (ST4000LM024)
